What is Chlorpheniramine Maleate Er: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published Dec 30, 2020

Chlorpheniramine Maleate Er overview

BRAND NAMES:

  • TopCare Allergy, Good Sense Allergy Relief, Aller-Chlor, Allergy, Allergy Relief, C.P.M. Tablets, Chlor-Phen, Chlor-Trimeton Allergy, Ed ChlorPed, ED Chlorphed Jr., ED-CHLOR-TAN, Good Neighbor Pharmacy Allergy, Pharbechlor, Sunmark Allergy, Health Mart Allergy Relief

Generic Names:

  • Chlorpheniramine Maleate Er

Uses:

  • Treats hay fever, allergy, and cold symptoms.

Therapeutic Classes:

  • Cold/Cough Agent, Respiratory Agent

Forms:

  • Tablet, Long Acting Tablet, Liquid, Long Acting Capsule

How it’s taken:

  • By mouth

What is Chlorpheniramine Maleate Er used for?

What form(s) does Chlorpheniramine Maleate Er come in

  • Tablet

  • Long Acting Tablet

  • Liquid

  • Long Acting Capsule

What are common Chlorpheniramine Maleate Er doses?

  • Bottle 60 Tablets Extended Release

  • Box 24 Tablets Extended Release

Common Chlorpheniramine Maleate Er prescriptions

  • Chlorpheniramine Maleate ER
    60 tablets extended release bottle

  • Chlorpheniramine Maleate ER
    24 tablets extended release box

How to take Chlorpheniramine Maleate Er

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • Follow the instructions on the medicine label if you are using this medicine without a prescription.

  • Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup. You might need to shake the oral liquid medicine just before measuring the dose. Follow the directions on the label.

  • Swallow the extended-release capsule or extended-release tablet whole. Do not crush, break, or chew it.

  • Swallow the extended-release capsule or extended-release tablet whole. Do not crush, break, or chew it.

  • Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup. You might need to shake the oral liquid medicine just before measuring the dose. Follow the directions on the label.

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • Follow the instructions on the medicine label if you are using this medicine without a prescription.

What to do if you miss a dose of Chlorpheniramine Maleate Er

  • If you are using this medicine on a regular schedule: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Oral routeAsk your pharmacist, doctor, or health caregiver about the best way to dispose of any outdated medicine or medicine no longer needed.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Chlorpheniramine Maleate Er contraindications

  • You should not use this medicine if you have had an allergic reaction to chlorpheniramine. Do not give any over-the-counter (OTC) cough and cold medicine to a baby or child under 4 years old. Using these medicines in very young children might cause serious or possibly life-threatening side effects.

Chlorpheniramine Maleate Er warnings

  • This medicine may make you drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.

  • Make sure your doctor knows if you are pregnant or breastfeeding.

  • Make sure your doctor knows if you have glaucoma, problems with urination, an enlarged prostate, kidney disease, an ulcer or other digestion problem, or a breathing problem such as chronic bronchitis, asthma, or emphysema.

  • Do not give this medicine to a child under 6 years old unless the child's doctor says it is okay.

Chlorpheniramine Maleate Er interactions

  • Tell your doctor if you use anything else that makes you sleepy. Some examples are allergy medicine, narcotic pain medicine, and alcohol.

  • Do not drink alcohol while you are using this medicine.

  • This medicine may make you drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.

  • Do not give this medicine to a child under 6 years old unless the child's doctor says it is okay.

Chlorpheniramine Maleate Er side effects

Serious Side Effects

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Severe tiredness.

  • Dry mouth.

Less Serious Side Effects

  • Nausea, loss of appetite.

  • Increased energy, restlessness, nervousness (more common in children).

  • Dry mouth.

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