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Medications and Drugs

Brand Names: Actifed Cold & Allergy, Allan Tannate Pediatric, Allerest PE, AlleRx, BP Allergy JR, C Phen, Cardec, Ceron, Chlor-Mes Jr, ChlorTan D, Cold & Allergy Relief, CP Dec, Dallergy Drops, Dallergy-JR, Dec-Chlorphen, Ed A-Hist, Ed ChlorPed D, Histadec, Nasohist Pediatric, NoHist, Ny-Tannic, PD-Hist D, PD-Hist D Drops, PediaTan D, Phenchlor Tannate Pediatric, Relera, Rinate Pediatric, Rondec, Rondex, R-Tanna, Rynatan, Rynatan Pediatric, Sildec-PE, Sinus & Allergy Maximum Strength, Sinus & Allergy PE, Sonahist, Sudafed PE Sinus & Allergy, Tanahist-D, Triaminic Cold & Allergy

Generic Name: chlorpheniramine and phenylephrine (Pronunciation: KLOR fen IR a meen and FEN il EFF rin)

What is chlorpheniramine and phenylephrine (Actifed Cold & Allergy, Allan Tannate Pediatric, Allerest PE, AlleRx, BP Allergy JR, C Phen, Cardec, Ceron, Chlor-Mes Jr, ChlorTan D, Cold & Allergy Relief, CP Dec, Dallergy Drops, Dallergy-JR, Dec-Chlorphen, Ed A-Hist, Ed ChlorPed D, Histadec, Nasohist Pediatric, NoHist, Ny-Tannic, PD-Hist D, PD-Hist D Drops, PediaTan D, Phenchlor Tannate Pediatric, Relera, Rinate Pediatric, Rondec, Rondex, R-Tanna, Rynatan, Rynatan Pediatric, Sildec-PE, Sinus & Allergy Maximum Strength, Sinus & Allergy PE, Sonahist, Sudafed PE Sinus & Allergy, Tanahist-D, Triaminic Cold & Allergy)?

Chlorpheniramine is an antihistamine that reduces the natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose.

Phenylephrine is a decongestant that shrinks blood vessels in the nasal passages. Dilated blood vessels can cause nasal congestion (stuffy nose).

The combination of chlorpheniramine and phenylephrine is used to treat symptoms of the common cold or seasonal allergies, including sneezing, runny or stuffy nose, and itchy, watery eyes.

Chlorpheniramine and phenylephrine may also be used for purposes not listed in this medication guide.

What are the possible side effects of chlorpheniramine and phenylephrine?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using this medication and call your doctor at once if you have a serious side effect such as:

  • fast or pounding heartbeats;
  • confusion, hallucinations, unusual thoughts or behavior;
  • severe dizziness, anxiety, restless feeling, nervousness;
  • urinating less than usual or not at all;
  • easy bruising or bleeding, unusual weakness; or
  • seizure (black-out or convulsions).

Less serious side effects may include:

  • blurred vision;
  • dry nose or mouth;
  • nausea, stomach pain, constipation, loss of appetite;
  • dizziness, drowsiness;
  • problems with memory or concentration;
  • ringing in your ears; or
  • feeling restless or excited (especially in children).

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1 800 FDA 1088.

What is the most important information I should know about chlorpheniramine and phenylephrine?

There are many brands and forms of this medication available and not all brands are listed on this leaflet.

Do not use chlorpheniramine and phenylephrine if you have used an MAO inhibitor such as furazolidone (Furoxone), isocarboxazid (Marplan), phenelzine (Nardil), rasagiline (Azilect), selegiline (Eldepryl, Emsam, Zelapar), or tranylcypromine (Parnate) in the last 14 days. A dangerous drug interaction could occur, leading to serious side effects.

You should not use this medication if you are allergic to chlorpheniramine or phenylephrine, or if you have severe high blood pressure or coronary artery disease, narrow-angle glaucoma, a stomach ulcer, or if you are unable to urinate.

Do not use this medication during an asthma attack.

This medication may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.

Drinking alcohol can increase certain side effects of chlorpheniramine and phenylephrine.

Older adults may be more likely to have side effects from this medicine.

Do not give this medication to a child younger than 4 years old. Always ask a doctor before giving a cough or cold medicine to a child. Death can occur from the misuse of cough and cold medicines in very young children.

Talk with your doctor if your symptoms do not improve after 7 days of treatment, or if you have a fever with a headache, cough, or skin rash.



Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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