Chlorpheniramine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose.
Chlorpheniramine is used to treat runny nose, sneezing, itching, and watery eyes caused by allergies, the common cold, or the flu.
Aller-Chlor, Allergy Relief, C.P.M., Chlo-Amine, Chlor-Mal, ChlorTan, Chlor-Trimeton, Ed ChlorPed, Ed-Chlor Ped Jr, Ed-Chlortan, PediaTan, Triaminic Allergy, Wal-finate
Constipation; diarrhea; dizziness; drowsiness; dry mouth, nose, or throat; excitability; headache; loss of appetite; nausea; nervousness or anxiety; trouble sleeping; upset stomach; vomiting; weakness.
Seek medical attention right away if any of these SEVERE side effects occur while taking chlorpheniramine (the active ingredient contained in Aller-Chlor)
Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); difficulty urinating or inability to urinate; fast or irregular heartbeat; hallucinations; seizures; severe dizziness, lightheadedness, or headache; tremor; trouble sleeping; vision changes.
(oral tablet, chewable, oral liquid, oral tablet, extended release, oral tablet, injectable solution, oral syrup, oral capsule, extended release, oral suspension, extended release, compounding powder)