{"id":7146,"date":"2019-12-03T10:00:50","date_gmt":"2019-12-03T15:00:50","guid":{"rendered":"https:\/\/www.singlecare.com\/blog\/?p=7146"},"modified":"2024-05-28T10:09:26","modified_gmt":"2024-05-28T14:09:26","slug":"tamiflu-effectiveness","status":"publish","type":"post","link":"https:\/\/www.singlecare.com\/blog\/tamiflu-effectiveness\/","title":{"rendered":"Does Tamiflu work?"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Just because flu season affects many people annually, doesn\u2019t mean it is a virus to take lightly. It can have serious complications, especially for certain populations. If you\u2019re in a high risk group, your healthcare provider might prescribe <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/tamiflu\"><span style=\"font-weight: 400;\">Tamiflu<\/span><\/a> <a href=\"https:\/\/www.singlecare.com\/prescription\/oseltamivir-phosphate\"><span style=\"font-weight: 400;\">(oseltamivir phosphate<\/span><\/a><span style=\"font-weight: 400;\">) at the first sign of flu symptoms. Three physicians explain Tamiflu effectiveness, and how to know if you should take it.<\/span><\/p>\n<p><span data-sheets-root=\"1\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:6849,&quot;3&quot;:{&quot;1&quot;:0},&quot;9&quot;:1,&quot;10&quot;:2,&quot;12&quot;:0,&quot;14&quot;:{&quot;1&quot;:2,&quot;2&quot;:0},&quot;15&quot;:&quot;Arial&quot;}\" data-sheets-formula=\"=CONCATENATE(R[0]C[-2],R[0]C[-3],R[0]C[-1])\"><\/span><\/p>\n<p><b>RELATED: <\/b><a href=\"https:\/\/www.singlecare.com\/blog\/what-is-the-flu\/\"><b>What is the flu?<\/b><\/a><\/p>\n<h2><span style=\"font-weight: 400;\">What exactly does Tamiflu do?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Tamiflu is an antiviral drug that blocks influenza A and B by attacking the virus and stopping it from multiplying, according to the\u00a0<\/span><a href=\"https:\/\/www.fda.gov\/drugs\/postmarket-drug-safety-information-patients-and-providers\/tamiflu-consumer-questions-and-answers\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"font-weight: 400;\">Food and Drug Administration (FDA)<\/span><\/a><span style=\"font-weight: 400;\">. Tamiflu does not work on other viruses or bacterial infections.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Preparation\u2014read: getting an annual flu vaccine\u2014is the best way to avoid catching this respiratory infection. Tamiflu is sometimes used to prevent flu for people exposed to the influenza virus, but it is not an effective substitute for immunization.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If you do get the flu, Tamiflu can reduce the intensity of symptoms and reduce the amount of time that you feel sick.\u00a0<\/span><\/p>\n<p><b>RELATED: <\/b><a href=\"https:\/\/www.singlecare.com\/blog\/discounted-free-flu-shots\/\"><b>How to get a discounted (or free) flu shot<\/b><\/a><br \/>\n<iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/T_OVyM7YLgo?rel=0\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<h2><span style=\"font-weight: 400;\">How effective is Tamiflu?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Tamiflu can reduce complications of the flu (such as pneumonia) by 44%, and the risk of hospitalization by 63% when taken in the first 48 hours after contracting the virus, according to the makers of Tamiflu. When used to prevent the flu in people exposed to the virus, it reduced the probability of becoming sick by up to 55%, says the <\/span><a href=\"http:\/\/www.center4research.org\/tamiflu-not-tamiflu\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"font-weight: 400;\">National Center for Health Research<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cTamiflu is not a cure for the flu,\u201d explains <\/span><a href=\"https:\/\/www.arrowprimarycare.com\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"font-weight: 400;\">Michael Carnathan, MD<\/span><\/a><span style=\"font-weight: 400;\">, a family physician in Bethlehem, Pennsylvania. \u201cIt won\u2019t completely eliminate all of your symptoms, but it usually shortens the duration of the symptoms. It is most effective when started within the first 24 to 48 hours after the first symptom. Don\u2019t be afraid to contact your doctor at the first sign of a fever and body aches.\u201d\u00a0<\/span><\/p>\n<p><b>RELATED: <\/b><a href=\"https:\/\/www.singlecare.com\/blog\/flu-shot-tamiflu-for-coronavirus\/\"><b>Does the flu shot or Tamiflu prevent COVID-19?<\/b><\/a><\/p>\n<h2><span style=\"font-weight: 400;\">Does Tamiflu work after 48 hours?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Not sure if you have flu symptoms? You might wake up with a fever and aches and pains, or you might come home from work not feeling well. \u201cFlu symptoms often appear suddenly and make you feel as if you were hit by a Mack truck,\u201d says<\/span>\u00a0<a href=\"https:\/\/www.novanthealth.org\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"font-weight: 400;\">Genevieve Brauning, MD<\/span><\/a><span style=\"font-weight: 400;\">, a family medicine practitioner with Novant Health in Charlotte, North Carolina. And the first sign of symptoms is when you need to act. \u201cBecause there is only a short window of time to take Tamiflu so it is effective, it is best to contact your doctor immediately. After 48 hours, it might not be worthwhile to take Tamiflu.\u201d\u00a0<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">How quickly does Tamiflu work?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">For the <\/span><a href=\"https:\/\/www.gene.com\/download\/pdf\/tamiflu_prescribing.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"font-weight: 400;\">treatment of influenza<\/span><\/a><span style=\"font-weight: 400;\">, Tamiflu should be taken for five days after flu symptoms start. Adults and adolescents (13 years and older) may take 75 mg twice a day for five days. Flu symptoms typically last for <\/span><a href=\"https:\/\/www.singlecare.com\/blog\/flu-symptoms\/\"><span style=\"font-weight: 400;\">five to seven days<\/span><\/a><span style=\"font-weight: 400;\">, but Tamiflu can reduce the duration and severity of flu symptoms.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">How long are you contagious with the flu after taking Tamiflu?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">It\u2019s important to note that you\u2019re still contagious after taking Tamiflu. Meaning, you can transmit the virus to others, so just because you start the antiviral medication doesn\u2019t mean you can go out and about.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If you think you have the flu, you should always call your healthcare provider instead of waiting to see if you improve. It is better to be told you don\u2019t have it than to hold off calling and suffer through a week or more of debilitating symptoms.\u00a0<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Is Tamiflu safe?<\/span><\/h2>\n<p><a href=\"https:\/\/www.center4research.org\/tamiflu-not-tamiflu\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"font-weight: 400;\">Tamiflu is very safe<\/span><\/a><span style=\"font-weight: 400;\">, and it\u2019s effective for <\/span><span style=\"font-weight: 400;\">patients as young as 2 weeks old. However, you should always discuss the benefits and risks of taking Tamiflu with your healthcare provider.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tamiflu can have side effects (usually occurring within the first two days), and for some people, these <\/span><span style=\"font-weight: 400;\">can be worse than having the flu, according to Dr. Brauning. The most common side effects of Tamiflu include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Abdominal pain<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Nausea<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Vomiting<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Headache\u00a0<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">According to the FDA, children and adolescents with the flu are at an increased risk for serious side effects like seizures, confusion, and abnormal behavior. Even though the FDA has approved Tamiflu for young children, Dr. Brauning is always cautious when prescribing it for children because of the side effects. You should consult your child\u2019s pediatrician before giving them Tamiflu.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Who should (and shouldn\u2019t) take Tamiflu?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Tamiflu is best for patients who are at high risk of developing severe complications from the flu virus. This includes very young children, the elderly, immunocompromised patients, patients with diabetes, heart disease, asthma, and other chronic diseases, and nursing home residents.\u00a0\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Patients with mild to moderate liver impairment can safely take Tamiflu.\u00a0 Patients with severe liver disease should speak with their doctor as to whether or not it is safe to take Tamiflu<\/span><span style=\"font-weight: 400;\">. I<\/span><span style=\"font-weight: 400;\">n patients with mild kidney issues or with end-stage renal disease and on dialysis, the dose of Tamiflu will likely be adjusted. But, Tamiflu is not recommended for people who have end-stage renal disease and are not on dialysis.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The Centers for Disease Control and Prevention (<\/span><a href=\"https:\/\/www.cdc.gov\/flu\/treatment\/whatyoushould.htm\"><span style=\"font-weight: 400;\">CDC<\/span><\/a><span style=\"font-weight: 400;\">) also recommends <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/relenza-diskhaler\"><span style=\"font-weight: 400;\">Relenza (zanamivir)<\/span><\/a><span style=\"font-weight: 400;\">, Rapivab (peramivir), and <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/xofluza-40-mg-dose\"><span style=\"font-weight: 400;\">Xofluza (baloxavir marboxil)<\/span><\/a><span style=\"font-weight: 400;\">. If Tamiflu isn\u2019t right for you, you might ask your healthcare provider about these other flu treatments in addition to over-the-counter medicine and supplements for alleviating symptoms and boosting your immune system.<\/span><\/p>\n<p><b>RELATED: <\/b><a href=\"https:\/\/www.singlecare.com\/blog\/tamiflu-vs-xofluza\/\"><b>Tamiflu vs. Xofluza<\/b><\/a><\/p>\n<h2><span style=\"font-weight: 400;\">Is Tamiflu safe if you are pregnant?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u201cWomen who are pregnant should seek medical help at the first sign of flu because they are at high risk of complications from the flu,\u201d says<\/span><a href=\"https:\/\/www.novanthealth.org\/pf\/providers\/1558367680\/locations\" target=\"_blank\" rel=\"noopener noreferrer\"> <span style=\"font-weight: 400;\">Alyse Kelly-Jones, MD<\/span><\/a><span style=\"font-weight: 400;\">, a gynecologist with Novant Health in Charlotte, North Carolina. The flu is risky for expectant mothers and their babies. \u201cIt can be fatal during pregnancy, and it also increases the risk of preterm labor, which puts the baby at risk of health complications,\u201d she says.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Because there are no well-controlled studies in pregnant women, Tamiflu will only be prescribed if your doctor feels that the benefits outweigh the potential risks to the fetus. However, at the first sign of symptoms, or if you are running a fever, you should contact your primary care provider immediately. Because many offices prefer not to have someone with the flu in the waiting room (where they can spread it to other people), you may receive treatment over the phone. If you are experiencing additional symptoms such as shortness of breath, chest pain, or dehydration, consider emergency treatment to see if inpatient care is required.<\/span><\/p>\n<p><b>RELATED: <\/b><a href=\"https:\/\/www.singlecare.com\/blog\/flu-shot-while-pregnant\/\"><b>Can I get the flu shot while pregnant?<\/b><\/a><\/p>\n<h2><span style=\"font-weight: 400;\">When to call your doctor<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Symptoms of the flu include fever, chills, body aches, weakness, and may include a sore throat, headache, or cough. While the common cold comes on gradually, flu symptoms appear quickly. If you experience any of these symptoms or have been exposed to someone diagnosed with the flu, you should call your physician\u2019s office to see if Tamiflu is right for you. Remember, the first 48 hours are crucial for the most effective flu treatment, so do not hesitate to make that call. <\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Just because flu season affects many people annually, doesn\u2019t mean it is a virus to take lightly. It can have serious complications, especially for certain populations. If you\u2019re in a high risk group, your healthcare provider might prescribe Tamiflu (oseltamivir phosphate) at the first sign of flu symptoms. Three physicians explain Tamiflu effectiveness, and how [&hellip;]<\/p>\n","protected":false},"author":85,"featured_media":7199,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4589],"tags":[11169],"coauthors":[11385],"class_list":["post-7146","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-drug-info","tag-cold-flu","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>Does Tamiflu work? Is it worth taking?<\/title>\n<meta name=\"description\" content=\"Tamiflu reduces flu complications by 44%. 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