{"id":55900,"date":"2022-12-20T23:22:06","date_gmt":"2022-12-21T04:22:06","guid":{"rendered":"https:\/\/www.singlecare.com\/blog\/?p=55900"},"modified":"2025-09-30T17:17:11","modified_gmt":"2025-09-30T21:17:11","slug":"levocetirizine-side-effects","status":"publish","type":"post","link":"https:\/\/www.singlecare.com\/blog\/levocetirizine-side-effects\/","title":{"rendered":"Levocetirizine side effects and how to avoid them"},"content":{"rendered":"<p><a href=\"https:\/\/www.singlecare.com\/prescription\/levocetirizine-dihydrochloride\/what-is\"><span style=\"font-weight: 400;\">Levocetirizine<\/span><\/a><span style=\"font-weight: 400;\"> is a nonprescription <\/span><a href=\"https:\/\/www.singlecare.com\/drug-classes\/antihistamines\"><span style=\"font-weight: 400;\">antihistamine<\/span><\/a><span style=\"font-weight: 400;\"> used to relieve the symptoms of <\/span><span style=\"font-weight: 400;\">hay fever<\/span><span style=\"font-weight: 400;\"> or <\/span><a href=\"https:\/\/www.singlecare.com\/conditions\/allergy-treatment-and-medications\"><span style=\"font-weight: 400;\">allergies<\/span><\/a><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">runny nose<\/span><span style=\"font-weight: 400;\">, itchy or <\/span><span style=\"font-weight: 400;\">watery eyes<\/span><span style=\"font-weight: 400;\">, and throat irritation. Prescription <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/levocetirizine-dihydrochloride\"><span style=\"font-weight: 400;\">levocetirizine<\/span><\/a><span style=\"font-weight: 400;\">, on the other hand, is used to treat the symptoms of <\/span><a href=\"https:\/\/www.singlecare.com\/blog\/8-ways-treat-seasonal-allergies\/\"><span style=\"font-weight: 400;\">perennial <\/span><span style=\"font-weight: 400;\">allergic<\/span><\/a><span style=\"font-weight: 400;\"> rhinitis<\/span><span style=\"font-weight: 400;\"> (<\/span><span style=\"font-weight: 400;\">runny nose<\/span><span style=\"font-weight: 400;\">, nasal congestion, and <\/span><span style=\"font-weight: 400;\">sneezing<\/span><span style=\"font-weight: 400;\">) in <\/span><span style=\"font-weight: 400;\">children<\/span><span style=\"font-weight: 400;\"> and chronic <\/span><a href=\"https:\/\/www.singlecare.com\/conditions\/hives-treatment-and-medications\"><span style=\"font-weight: 400;\">hives<\/span><\/a><span style=\"font-weight: 400;\"> (<\/span><span style=\"font-weight: 400;\">urticaria<\/span><span style=\"font-weight: 400;\">) in <\/span><span style=\"font-weight: 400;\">children and adults<\/span><span style=\"font-weight: 400;\">. Also sold as <\/span><span style=\"font-weight: 400;\">brand-name<\/span> <a href=\"https:\/\/www.singlecare.com\/prescription\/xyzal-allergy-24hr\"><span style=\"font-weight: 400;\">Xyzal<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> is a second-generation or \u201cnon-drowsy\u201d <\/span><span style=\"font-weight: 400;\">antihistamine<\/span><span style=\"font-weight: 400;\"> that is chemically similar to <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/zyrtec-allergy\"><span style=\"font-weight: 400;\">Zyrtec<\/span><\/a><span style=\"font-weight: 400;\"> (<\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/cetirizine-hcl\"><span style=\"font-weight: 400;\">cetirizine<\/span><\/a><span style=\"font-weight: 400;\">). Histamines are a substance produced by the body in response to an allergen. They produce the symptoms of an <\/span><span style=\"font-weight: 400;\">allergic reaction <\/span><span style=\"font-weight: 400;\">including <\/span><span style=\"font-weight: 400;\">runny nose<\/span><span style=\"font-weight: 400;\">, nasal congestion, itching, and <\/span><span style=\"font-weight: 400;\">hives<\/span><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Unlike first-generation <\/span><span style=\"font-weight: 400;\">antihistamines<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> does not easily cross into the brain, so it is less likely to cause <\/span><span style=\"font-weight: 400;\">drowsiness<\/span><span style=\"font-weight: 400;\">. Even with few <\/span><span style=\"font-weight: 400;\">side effects<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> can cause problems because of pre-existing <\/span><span style=\"font-weight: 400;\">medical conditions<\/span><span style=\"font-weight: 400;\"> or possible <\/span><span style=\"font-weight: 400;\">drug interactions<\/span><span style=\"font-weight: 400;\">. It also has <\/span><span style=\"font-weight: 400;\">serious side effects<\/span><span style=\"font-weight: 400;\"> of which people should be aware.<\/span><\/p>\n<h2 id=\"common-side-effects-of-levocetirizine\"><span style=\"font-weight: 400;\">Common side effects of levocetirizine<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The most commonly experienced <\/span><span style=\"font-weight: 400;\">side effects of levocetirizine<\/span><span style=\"font-weight: 400;\"> depend on age. <\/span><span style=\"font-weight: 400;\">Levocetirizine<\/span><span style=\"font-weight: 400;\"> can be given to children as young as six months of age.\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">In adolescents and adults, the most <\/span><a href=\"https:\/\/dailymed.nlm.nih.gov\/dailymed\/drugInfo.cfm?setid=8a3c06a5-4a9a-4205-8ae7-c58efeb73c58\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">commonly experienced<\/span><\/a> <span style=\"font-weight: 400;\">side effects<\/span><span style=\"font-weight: 400;\"> are <\/span><span style=\"font-weight: 400;\">sleepiness<\/span><span style=\"font-weight: 400;\"> and nose and throat irritation<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">In children ages six to 12 years old, the most <\/span><span style=\"font-weight: 400;\">common side effects <\/span><span style=\"font-weight: 400;\">are <\/span><a href=\"https:\/\/www.singlecare.com\/blog\/fever-temperature\/\"><span style=\"font-weight: 400;\">fever<\/span><\/a><span style=\"font-weight: 400;\"> and cough<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">In children between ages one and five years old, the most <\/span><span style=\"font-weight: 400;\">common side effects<\/span><span style=\"font-weight: 400;\"> are fever and <\/span><a href=\"https:\/\/www.singlecare.com\/conditions\/diarrhea-treatment-and-medications\"><span style=\"font-weight: 400;\">diarrhea<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">In infants younger than one year of age, the most <\/span><span style=\"font-weight: 400;\">common side effects<\/span><span style=\"font-weight: 400;\"> are diarrhea and <\/span><a href=\"https:\/\/www.singlecare.com\/conditions\/constipation-treatment-and-medications\"><span style=\"font-weight: 400;\">constipation<\/span><\/a><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Side effects<\/span><span style=\"font-weight: 400;\"> vary significantly based on age. Here\u2019s a complete list of the most <\/span><span style=\"font-weight: 400;\">common side effects,<\/span><span style=\"font-weight: 400;\"> no matter what the age:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fever<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sleepiness<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Diarrhea<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nose and throat swelling and irritation<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cough<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vomiting<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Inflammation or infection of the middle ear<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tiredness<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dry mouth<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nosebleed<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Constipation<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Urinary retention<\/span><\/li>\n<\/ul>\n<h2 id=\"serious-side-effects-of-levocetirizine\"><span style=\"font-weight: 400;\">Serious side effects of levocetirizine<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The most <\/span><a href=\"https:\/\/online.epocrates.com\/drugs\/468905\/levocetirizine\/Adverse-Reactions\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">serious side effects<\/span><\/a><span style=\"font-weight: 400;\"> of levocetirizine<\/span><span style=\"font-weight: 400;\"> include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Seizures<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fainting<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Low blood pressure<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hallucinations<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Depression<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Suicidal thoughts<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Severe <\/span><span style=\"font-weight: 400;\">allergic reactions<\/span><\/li>\n<\/ul>\n<h3 id=\"weight-gain\"><span style=\"font-weight: 400;\">Weight gain<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Although <\/span><span style=\"font-weight: 400;\">weight gain<\/span><span style=\"font-weight: 400;\"> is not considered a <\/span><span style=\"font-weight: 400;\">side effect<\/span><span style=\"font-weight: 400;\"> of <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\">, studies have shown that <\/span><a href=\"https:\/\/www.singlecare.com\/blog\/antihistamine-weight-gain\/\"><span style=\"font-weight: 400;\">chronic use of <\/span><span style=\"font-weight: 400;\">antihistamines<\/span><span style=\"font-weight: 400;\"> is associated with <\/span><span style=\"font-weight: 400;\">weight gain<\/span><\/a><span style=\"font-weight: 400;\">. Among other things, histamines are responsible for telling the brain not to be hungry, so people taking <\/span><span style=\"font-weight: 400;\">antihistamines<\/span><span style=\"font-weight: 400;\"> feel hungry more often. <\/span><a href=\"https:\/\/www.singlecare.com\/blog\/antihistamine-weight-gain\/\"><span style=\"font-weight: 400;\">Weight gain<\/span><\/a><span style=\"font-weight: 400;\"> is a long-term <\/span><span style=\"font-weight: 400;\">side effect<\/span><span style=\"font-weight: 400;\"> of <\/span><span style=\"font-weight: 400;\">antihistamine<\/span><span style=\"font-weight: 400;\"> use and typically requires weeks or months of daily use. Although we don\u2019t know which <\/span><span style=\"font-weight: 400;\">antihistamines<\/span><span style=\"font-weight: 400;\"> are the worst offenders, <\/span><span style=\"font-weight: 400;\">weight gain<\/span><span style=\"font-weight: 400;\"> is more strongly associated with the use of first-generation <\/span><span style=\"font-weight: 400;\">antihistamines<\/span><span style=\"font-weight: 400;\"> like <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/benadryl-allergy\"><span style=\"font-weight: 400;\">Benadryl<\/span><\/a><span style=\"font-weight: 400;\">. These <\/span><span style=\"font-weight: 400;\">antihistamines<\/span><span style=\"font-weight: 400;\"> cross into the brain and are more likely to cause <\/span><span style=\"font-weight: 400;\">nervous system<\/span><span style=\"font-weight: 400;\"> effects like <\/span><span style=\"font-weight: 400;\">drowsiness<\/span><span style=\"font-weight: 400;\"> (which affects physical activity) and increased appetite. Newer <\/span><span style=\"font-weight: 400;\">antihistamines<\/span><span style=\"font-weight: 400;\"> like <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> may have less of an effect on weight. Still, <\/span><span style=\"font-weight: 400;\">over-the-counter<\/span><span style=\"font-weight: 400;\"> (OTC) <\/span><span style=\"font-weight: 400;\">antihistamines<\/span><span style=\"font-weight: 400;\"> should be used with caution. Follow the instructions and try not to overuse them. If weight increases when taking <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span> <a href=\"https:\/\/www.singlecare.com\/blog\/taking-antihistamines-daily\/\"><span style=\"font-weight: 400;\">every day<\/span><\/a><span style=\"font-weight: 400;\">, then talk to a <\/span><span style=\"font-weight: 400;\">healthcare professional<\/span><span style=\"font-weight: 400;\"> about alternative treatments.<\/span><\/p>\n<h3 id=\"kidney-problems\"><span style=\"font-weight: 400;\">Kidney problems<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Levocetirizine<\/span><span style=\"font-weight: 400;\"> does not harm the kidneys, but kidney dysfunction can cause problems in people taking the drug. The kidneys are responsible for clearing <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> from the body. If the kidneys are not functioning well, then the medicine will build up in the body, making <\/span><span style=\"font-weight: 400;\">side effects<\/span><span style=\"font-weight: 400;\"> more likely. For this reason, people with <\/span><span style=\"font-weight: 400;\">kidney disease<\/span><span style=\"font-weight: 400;\"> should not take <\/span><span style=\"font-weight: 400;\">levocetirizine without talking to a healthcare provider<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Hypotension<\/span><br \/>\n<a href=\"https:\/\/www.singlecare.com\/blog\/low-blood-pressure\/\"><span style=\"font-weight: 400;\">Low blood pressure<\/span><\/a><span style=\"font-weight: 400;\"> is a reported <\/span><span style=\"font-weight: 400;\">side effect<\/span><span style=\"font-weight: 400;\"> of <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\">, but its incidence is unknown. In those who have reported low blood pressure, the <\/span><span style=\"font-weight: 400;\">side effect<\/span><span style=\"font-weight: 400;\"> usually happens rapidly after the first dose. <\/span><a href=\"https:\/\/www.singlecare.com\/blog\/blood-pressure-levels\/\"><span style=\"font-weight: 400;\">A drop in blood pressure<\/span><\/a><span style=\"font-weight: 400;\"> right after taking a drug is usually a symptom of <\/span><span style=\"font-weight: 400;\">anaphylaxis<\/span><span style=\"font-weight: 400;\">, a rare <\/span><span style=\"font-weight: 400;\">allergic reaction<\/span><span style=\"font-weight: 400;\"> associated with <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\">. No matter what the cause, if blood pressure goes down enough to cause symptoms, get immediate help. The warning signs of low blood pressure are lightheadedness, dizziness, weakness, blurred vision, confusion, and fainting.<\/span><\/p>\n<h2 id=\"how-soon-do-levocetirizine-side-effects-start\"><span style=\"font-weight: 400;\">How soon do <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span> <span style=\"font-weight: 400;\">side effects<\/span><span style=\"font-weight: 400;\"> start?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Many of the most commonly-experienced <\/span><span style=\"font-weight: 400;\">side effects of levocetirizine<\/span><span style=\"font-weight: 400;\"> happen early in treatment: <\/span><span style=\"font-weight: 400;\">drowsiness<\/span><span style=\"font-weight: 400;\">, diarrhea, nasal congestion, fever, and <\/span><span style=\"font-weight: 400;\">dry mouth<\/span><span style=\"font-weight: 400;\">. Some <\/span><span style=\"font-weight: 400;\">common side effects<\/span><span style=\"font-weight: 400;\">, like cough and <\/span><span style=\"font-weight: 400;\">sore throat<\/span><span style=\"font-weight: 400;\">, are delayed and may require a few weeks of regular dosing to become apparent. The most <\/span><span style=\"font-weight: 400;\">serious side effects,<\/span><span style=\"font-weight: 400;\"> such as seizures, depression, and suicidal thoughts, are typically delayed and require regular dosing or overuse of the drug.<\/span><\/p>\n<h2 id=\"how-long-do-levocetirizine-side-effects-last\"><span style=\"font-weight: 400;\">How long do <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span> <span style=\"font-weight: 400;\">side effects<\/span><span style=\"font-weight: 400;\"> last?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The duration of <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span> <span style=\"font-weight: 400;\">side effects<\/span><span style=\"font-weight: 400;\"> depends on how it\u2019s being taken. If taken every once in a while, <\/span><span style=\"font-weight: 400;\">side effects<\/span><span style=\"font-weight: 400;\"> will usually improve after the last dose. Since the drug has a half-life of eight to nine hours, expect <\/span><span style=\"font-weight: 400;\">side effects<\/span><span style=\"font-weight: 400;\"> to go away by the next day. If <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> is taken daily over a long period of time, then <\/span><span style=\"font-weight: 400;\">common side effects<\/span><span style=\"font-weight: 400;\"> may improve in the first few weeks of drug discontinuation. <\/span><span style=\"font-weight: 400;\">Serious side effects,<\/span><span style=\"font-weight: 400;\"> such as depression, suicidal thoughts, seizures, and hallucinations, should be ample reasons to stop taking <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\">. <\/span><span style=\"font-weight: 400;\">Allergy symptoms<\/span><span style=\"font-weight: 400;\"> are not comparable to any of these serious <\/span><span style=\"font-weight: 400;\">adverse effects<\/span><span style=\"font-weight: 400;\">. If these problems do not get better when the drug is stopped, get medical attention.<\/span><\/p>\n<h2 id=\"what-are-the-long-term-side-effects-of-levocetirizine\"><span style=\"font-weight: 400;\">What are the long-term <\/span><span style=\"font-weight: 400;\">side effects of levocetirizine<\/span><span style=\"font-weight: 400;\">?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Do not use <\/span><span style=\"font-weight: 400;\">OTC<\/span> <span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> long term. If long-term <\/span><span style=\"font-weight: 400;\">antihistamine<\/span><span style=\"font-weight: 400;\"> use is needed, get <\/span><span style=\"font-weight: 400;\">medical advice<\/span><span style=\"font-weight: 400;\"> from a <\/span><span style=\"font-weight: 400;\">healthcare professional<\/span><span style=\"font-weight: 400;\">. Though <\/span><span style=\"font-weight: 400;\">serious side effects<\/span><span style=\"font-weight: 400;\"> are rare when taking <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\">, they can happen after prolonged use or overuse of the drug. A possible long-term consequence of chronic use of <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> is <\/span><span style=\"font-weight: 400;\">weight gain<\/span><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<h2 id=\"levocetirizine-contraindications\"><span style=\"font-weight: 400;\">Levocetirizine<\/span><span style=\"font-weight: 400;\"> contraindications<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Do not take <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> if there has been any <\/span><span style=\"font-weight: 400;\">allergic reaction<\/span><span style=\"font-weight: 400;\"> to <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> or a related <\/span><span style=\"font-weight: 400;\">antihistamine<\/span><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/cetirizine-hcl\/what-is\"><span style=\"font-weight: 400;\">cetirizine<\/span><\/a><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">No one with <\/span><a href=\"https:\/\/www.singlecare.com\/blog\/chronic-kidney-disease\/\"><span style=\"font-weight: 400;\">kidney disease<\/span><\/a><span style=\"font-weight: 400;\"> should take <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\">. Although <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> can be prescribed to people with <\/span><span style=\"font-weight: 400;\">kidney disease<\/span><span style=\"font-weight: 400;\">, it is never prescribed to people with end-stage <\/span><span style=\"font-weight: 400;\">renal<\/span><span style=\"font-weight: 400;\"> failure or those who are on hemodialysis.<\/span><\/p>\n<h3 id=\"pregnancy\"><span style=\"font-weight: 400;\">Pregnancy<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Levocetirizine<\/span> <a href=\"https:\/\/www.singlecare.com\/blog\/allergy-medicine-while-pregnant\/\"><span style=\"font-weight: 400;\">can be taken during pregnancy<\/span><\/a><span style=\"font-weight: 400;\">. There is currently no evidence that <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> can cause birth defects or affect pregnancy in any other way.\u00a0<\/span><\/p>\n<h3 id=\"breastfeeding\"><span style=\"font-weight: 400;\">Breastfeeding<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Levocetirizine<\/span><span style=\"font-weight: 400;\"> may be present in human <\/span><span style=\"font-weight: 400;\">breast milk<\/span><span style=\"font-weight: 400;\">, but it\u2019s uncertain if there are any <\/span><span style=\"font-weight: 400;\">adverse effects<\/span><span style=\"font-weight: 400;\"> on a nursing infant. <\/span><span style=\"font-weight: 400;\">Levocetirizine<\/span> <a href=\"https:\/\/dailymed.nlm.nih.gov\/dailymed\/drugInfo.cfm?setid=8be45c2a-1eca-4a00-81b9-f7babdbdcd41\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">is not recommended<\/span><\/a><span style=\"font-weight: 400;\"> in women who are <\/span><span style=\"font-weight: 400;\">breastfeeding<\/span><span style=\"font-weight: 400;\">. Prolonged use or overuse of <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span> <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK501598\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">may cause <\/span><span style=\"font-weight: 400;\">side effects<\/span><span style=\"font-weight: 400;\"> in the infant or decrease milk production<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h3 id=\"children\"><span style=\"font-weight: 400;\">Children<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The <\/span><span style=\"font-weight: 400;\">FDA<\/span><span style=\"font-weight: 400;\"> has approved the use of prescription <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> in <\/span><a href=\"https:\/\/www.singlecare.com\/blog\/treat-seasonal-allergies-in-kids\/\"><span style=\"font-weight: 400;\">children<\/span><\/a><span style=\"font-weight: 400;\"> as young as six months of age as a prescription. <\/span><span style=\"font-weight: 400;\">OTC levocetirizine<\/span> <a href=\"https:\/\/dailymed.nlm.nih.gov\/dailymed\/drugInfo.cfm?setid=a33f2704-d350-428b-b467-91f4775ce17f\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">should not be given<\/span><\/a><span style=\"font-weight: 400;\"> to children younger than two years of age. Talk to a <\/span><span style=\"font-weight: 400;\">healthcare professional<\/span><span style=\"font-weight: 400;\"> about a prescription for those children. Younger children will typically be prescribed an <\/span><span style=\"font-weight: 400;\">oral solution<\/span><span style=\"font-weight: 400;\"> rather than <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> tablets. Always keep this medicine out of the <\/span><span style=\"font-weight: 400;\">reach of children<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h3 id=\"seniors\"><span style=\"font-weight: 400;\">Seniors<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Although there is no evidence that people older than 65 years of age are more likely to have problems with <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> than others, <\/span><span style=\"font-weight: 400;\">healthcare providers<\/span><span style=\"font-weight: 400;\"> are urged to use lower doses when prescribing <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> to seniors. However, people older than 65 years <\/span><a href=\"https:\/\/dailymed.nlm.nih.gov\/dailymed\/drugInfo.cfm?setid=8be45c2a-1eca-4a00-81b9-f7babdbdcd41\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">should not use <\/span><span style=\"font-weight: 400;\">OTC levocetirizine<\/span><span style=\"font-weight: 400;\"> until talking to a healthcare provider<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2 id=\"levocetirizine-warnings\"><span style=\"font-weight: 400;\">Levocetirizine<\/span><span style=\"font-weight: 400;\"> warnings<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">As a nonprescription drug, <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> has few warnings of which people should be aware before taking it.\u00a0<\/span><\/p>\n<h3 id=\"cautions\"><span style=\"font-weight: 400;\">Cautions<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Levocetirizine can cause problems in people with pre-existing conditions. These include:<\/span><\/p>\n<ul>\n<li aria-level=\"1\"><b>Kidney disease<\/b><b>: <\/b><span style=\"font-weight: 400;\">The most concerning caution with <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> is that it can cause problems in people with <\/span><span style=\"font-weight: 400;\">kidney disease<\/span><span style=\"font-weight: 400;\">. Prescribers can use it in people with mild to severe <\/span><span style=\"font-weight: 400;\">kidney disease<\/span><span style=\"font-weight: 400;\"> if they reduce the dose. However, self-dosing is a different matter and there are no dosing guidelines for kidney impairment included in the package directions or the <\/span><span style=\"font-weight: 400;\">drug information<\/span><span style=\"font-weight: 400;\"> sheet for <\/span><span style=\"font-weight: 400;\">OTC<\/span> <span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\">. Therefore, no one with <\/span><span style=\"font-weight: 400;\">kidney disease<\/span><span style=\"font-weight: 400;\"> should take nonprescription <\/span><span style=\"font-weight: 400;\">levocetirizine without the direction of a healthcare provider<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-level=\"1\"><b>Urinary retention<\/b><b>: <\/b><span style=\"font-weight: 400;\">Levocetirizine<\/span><span style=\"font-weight: 400;\"> could worsen <\/span><span style=\"font-weight: 400;\">urinary retention<\/span><span style=\"font-weight: 400;\">. If <\/span><span style=\"font-weight: 400;\">urinary retention<\/span><span style=\"font-weight: 400;\"> is a problem, talk to a <\/span><span style=\"font-weight: 400;\">healthcare professional<\/span><span style=\"font-weight: 400;\"> before using <\/span><span style=\"font-weight: 400;\">this medication<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<h3 id=\"abuse\"><span style=\"font-weight: 400;\">Abuse<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Levocetirizine<\/span><span style=\"font-weight: 400;\"> is not habit-forming and will not cause physical dependency or withdrawal.\u00a0<\/span><\/p>\n<h3 id=\"overdose\"><span style=\"font-weight: 400;\">Overdose<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Call a <\/span><span style=\"font-weight: 400;\">poison control center<\/span><span style=\"font-weight: 400;\"> or get medical attention if an overdose of <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> is suspected. <\/span><a href=\"https:\/\/dailymed.nlm.nih.gov\/dailymed\/drugInfo.cfm?setid=8a3c06a5-4a9a-4205-8ae7-c58efeb73c58\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Symptoms<\/span><\/a><span style=\"font-weight: 400;\"> may include <\/span><span style=\"font-weight: 400;\">drowsiness<\/span><span style=\"font-weight: 400;\"> in adults, but children who have taken too much <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> may initially become restless and agitated before feeling sleepy. The maximum dosage for ages six years and older is 5 mg per a 24-hour period. It is 2.5 mg for children between the ages of two and five years of age.<\/span><\/p>\n<h2 id=\"levocetirizine-interactions\"><span style=\"font-weight: 400;\">Levocetirizine<\/span><span style=\"font-weight: 400;\"> interactions<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Levocetirizine<\/span><span style=\"font-weight: 400;\">\u2019s most significant <\/span><span style=\"font-weight: 400;\">drug interactions<\/span><span style=\"font-weight: 400;\"> involve drugs that can also cause sedation. These include <\/span><a href=\"https:\/\/www.singlecare.com\/blog\/opioids\/\"><span style=\"font-weight: 400;\">opioids<\/span><\/a><span style=\"font-weight: 400;\">, sedatives, <\/span><a href=\"https:\/\/www.singlecare.com\/drug-classes\/barbiturates\"><span style=\"font-weight: 400;\">barbiturates<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/www.singlecare.com\/drug-classes\/benzodiazepines\"><span style=\"font-weight: 400;\">benzodiazepines<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/www.singlecare.com\/blog\/antipsychotics\/\"><span style=\"font-weight: 400;\">antipsychotics<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/www.singlecare.com\/drug-classes\/muscle-relaxants\"><span style=\"font-weight: 400;\">muscle relaxants<\/span><\/a><span style=\"font-weight: 400;\">, marijuana, and alcohol. These drugs aren\u2019t prohibited, but people should expect to have problems with <\/span><span style=\"font-weight: 400;\">sleepiness<\/span><span style=\"font-weight: 400;\">, focus, attention, and other impairments when they\u2019re combined with <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<p><a href=\"https:\/\/www.singlecare.com\/prescription\/ritonavir\"><span style=\"font-weight: 400;\">Ritonavir<\/span><\/a><span style=\"font-weight: 400;\">, a drug used to treat <\/span><a href=\"https:\/\/www.singlecare.com\/conditions\/hiv-treatment-and-medications\"><span style=\"font-weight: 400;\">HIV<\/span><\/a><span style=\"font-weight: 400;\">and <\/span><a href=\"https:\/\/www.singlecare.com\/conditions\/hepatitis-c-treatment-and-medications\"><span style=\"font-weight: 400;\">hepatitis<\/span><span style=\"font-weight: 400;\"> C<\/span><\/a><span style=\"font-weight: 400;\">, can increase the risk of <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span> <span style=\"font-weight: 400;\">side effects<\/span><span style=\"font-weight: 400;\">. Since <\/span><span style=\"font-weight: 400;\">ritonavir<\/span><span style=\"font-weight: 400;\"> is a life-saving treatment, a different <\/span><span style=\"font-weight: 400;\">antihistamine<\/span><span style=\"font-weight: 400;\"> should be considered.<\/span><\/p>\n<h2 id=\"how-to-avoid-levocetirizine-side-effects\"><span style=\"font-weight: 400;\">How to avoid <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span> <span style=\"font-weight: 400;\">side effects<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Like all nonprescription drugs, <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> can be used without the supervision of a <\/span><span style=\"font-weight: 400;\">healthcare provider<\/span><span style=\"font-weight: 400;\">. However, <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> can not only cause minor <\/span><span style=\"font-weight: 400;\">side effects<\/span><span style=\"font-weight: 400;\">, but it can also bring on serious problems. Here\u2019s how to use this drug safely.\u00a0<\/span><\/p>\n<h3 id=\"1-follow-the-directions\"><span style=\"font-weight: 400;\">1. Follow the directions<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Follow the directions written on the box or the <\/span><span style=\"font-weight: 400;\">drug information<\/span><span style=\"font-weight: 400;\"> sheet packaged in the box. <\/span><a href=\"https:\/\/www.singlecare.com\/blog\/best-medication-reminder-apps\/\"><span style=\"font-weight: 400;\">Do not exceed<\/span><\/a><span style=\"font-weight: 400;\"> the recommended dose. Do not take this medicine if the instructions prohibit it. Do not take extra medicine unless instructed to do so by a <\/span><span style=\"font-weight: 400;\">healthcare professional<\/span><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<h3 id=\"2-do-not-give-levocetirizine-to-children-younger-than-two-years-old\"><span style=\"font-weight: 400;\">2. Do not give <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> to children younger than two years old<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Children younger than two years of age should not be given <\/span><span style=\"font-weight: 400;\">OTC<\/span> <span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\">. Talk to a <\/span><span style=\"font-weight: 400;\">healthcare professional<\/span><span style=\"font-weight: 400;\"> about a prescription instead.<\/span><\/p>\n<h3 id=\"3-talk-to-a-doctor\"><span style=\"font-weight: 400;\">3. Talk to a doctor<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Just because <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> can be purchased off of a drugstore or grocery shelf, it doesn\u2019t mean that it\u2019s always safe to take. Before purchasing <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\">, people with the following <\/span><span style=\"font-weight: 400;\">medical conditions<\/span><span style=\"font-weight: 400;\"> should talk to a doctor first:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ages 65 years and older<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kidney disease<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Urinary retention<\/span><span style=\"font-weight: 400;\"> problems<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Pregnancy or planning to get pregnant<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Breastfeeding<\/span><span style=\"font-weight: 400;\"> or planning to <\/span><span style=\"font-weight: 400;\">breastfeed<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\t\t<div class=\"singlecare-dynamic-newsletter-wrapper sin-newsletter-wrapper\">\n\t\t\t<span class=\"heading\">Get our allergies newsletter<\/span>\n\t\t\t<form class=\"form-wrapper\" data-newsletter-form=\"1\" data-subsource=\"Allergies Newsletter\">\n\t\t\t\t<div class=\"input-wrapper\">\n\t\t\t\t\t<label for=\"dynamic-email\">Email<\/label>\n\t\t\t\t\t<input type=\"email\" id=\"dynamic-email\" class=\"email\" required>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"input-wrapper\">\n\t\t\t\t\t<input class=\"submit-form-btn\" type=\"submit\" value=\"Click to sign up\">\n\t\t\t\t<\/div>\n\t\t\t<\/form>\n\t\t\t<p class=\"success-message\" aria-live=\"polite\"><\/p>\n\t\t<\/div>\n\t<\/span><\/p>\n<h3 id=\"4-avoid-alcohol\"><span style=\"font-weight: 400;\">4. Avoid alcohol<\/span><\/h3>\n<p><a href=\"https:\/\/www.singlecare.com\/blog\/alcohol-and-medication\/\"><span style=\"font-weight: 400;\">Drinking<\/span><\/a><span style=\"font-weight: 400;\"> will worsen any sedative effects of <\/span><span style=\"font-weight: 400;\">levocetirizine,<\/span><span style=\"font-weight: 400;\"> including <\/span><span style=\"font-weight: 400;\">sleepiness<\/span><span style=\"font-weight: 400;\"> and inability to focus or concentrate. The same applies to marijuana, cannabidiols, or any other drugs or <\/span><span style=\"font-weight: 400;\">supplements<\/span><span style=\"font-weight: 400;\"> that cause <\/span><span style=\"font-weight: 400;\">sleepiness<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h3 id=\"5-be-careful-when-driving\"><span style=\"font-weight: 400;\">5. Be careful when driving<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">As with all <\/span><span style=\"font-weight: 400;\">antihistamines<\/span><span style=\"font-weight: 400;\">, be careful about driving, operating machinery, or engaging in risky activities after taking a dose of <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2 id=\"how-to-treat-side-effects-of-levocetirizine\"><span style=\"font-weight: 400;\">How to treat <\/span><span style=\"font-weight: 400;\">side effects of levocetirizine<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Side effects of levocetirizine<\/span><span style=\"font-weight: 400;\"> are typically mild. Most can be handled at home, but a few will require medical attention.<\/span><\/p>\n<h3 id=\"drowsiness\"><span style=\"font-weight: 400;\">Drowsiness<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Drowsiness<\/span><span style=\"font-weight: 400;\"> and sedation are best handled by resting. Sit down and do something easy. Avoid driving, operating machinery, or doing risky things until feeling more awake and alert.\u00a0<\/span><\/p>\n<h3 id=\"dry-mouth\"><span style=\"font-weight: 400;\">Dry mouth<\/span><\/h3>\n<p><a href=\"https:\/\/www.singlecare.com\/blog\/medications-that-cause-dry-mouth\/\"><span style=\"font-weight: 400;\">Dry mouth<\/span><\/a><span style=\"font-weight: 400;\"> can be handled with sugar-free gum or hard candy. If <\/span><span style=\"font-weight: 400;\">dry mouth<\/span><span style=\"font-weight: 400;\"> is persistent or burdensome, consider changing to a different <\/span><span style=\"font-weight: 400;\">antihistamine<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h3 id=\"diarrhea\"><span style=\"font-weight: 400;\">Diarrhea<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Diarrhea is mainly experienced by children taking <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\">. Make sure the child drinks fluids to stay hydrated. If diarrhea persists or gets severe, talk to a <\/span><span style=\"font-weight: 400;\">healthcare professional<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h3 id=\"fever\"><span style=\"font-weight: 400;\">Fever<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Fever is primarily experienced by children when taking <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\">. A mild fever can be handled with rest and quiet. A fever reducer like <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/acetaminophen\"><span style=\"font-weight: 400;\">acetaminophen<\/span><\/a><span style=\"font-weight: 400;\"> can help, but talk to a <\/span><span style=\"font-weight: 400;\">healthcare professional<\/span><span style=\"font-weight: 400;\"> first. Do not use <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/aspirin\"><span style=\"font-weight: 400;\">aspirin<\/span><\/a><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<h3 id=\"ear-infection\"><span style=\"font-weight: 400;\">Ear infection<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">If a child has signs of an <\/span><a href=\"https:\/\/www.singlecare.com\/blog\/ear-infection-in-kids\/\"><span style=\"font-weight: 400;\">ear infection<\/span><\/a><span style=\"font-weight: 400;\">, see a <\/span><span style=\"font-weight: 400;\">healthcare professional<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h3 id=\"urinary-retention\"><span style=\"font-weight: 400;\">Urinary retention<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Immediately contact a <\/span><span style=\"font-weight: 400;\">healthcare professional<\/span><span style=\"font-weight: 400;\"> if it becomes painful or difficult to urinate or urination decreases.<\/span><\/p>\n<h3 id=\"allergic-reactions\"><span style=\"font-weight: 400;\">Allergic reactions<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Levocetirizine<\/span><span style=\"font-weight: 400;\"> can cause a serious and even life-threatening <\/span><span style=\"font-weight: 400;\">allergic reaction<\/span><span style=\"font-weight: 400;\"> called <\/span><span style=\"font-weight: 400;\">anaphylaxis<\/span><span style=\"font-weight: 400;\">. For that reason, stop taking <\/span><span style=\"font-weight: 400;\">levocetirizine<\/span><span style=\"font-weight: 400;\"> and get medical attention if even minor symptoms of an <\/span><span style=\"font-weight: 400;\">allergic reaction<\/span><span style=\"font-weight: 400;\"> occur:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Skin rash<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hives<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Trouble breathing<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Swelling of the face, mouth, lips, tongue, or throat<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Lightheadedness<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dizziness<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Confusion<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fainting<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Levocetirizine is a nonprescription antihistamine used to relieve the symptoms of hay fever or allergies: runny nose, itchy or watery eyes, and throat irritation. Prescription levocetirizine, on the other hand, is used to treat the symptoms of perennial allergic rhinitis (runny nose, nasal congestion, and sneezing) in children and chronic hives (urticaria) in children and [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":55908,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4589],"tags":[554,12752],"coauthors":[8861],"class_list":["post-55900","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-drug-info","tag-allergies","tag-medication-side-effects","wpautop"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Levocetirizine side effects and how to avoid them | SingleCare<\/title>\n<meta name=\"description\" content=\"Weight gain, kidney problems, and hypotension are common levocetirizine side effects. 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