If you experience an allergic reaction to chlorpheniramine including swelling of your lips, tongue, or face, difficulty breathing, closing of your throat, or hives, stop taking it and seek emergency medical attention.

Other, less serious side effects may be more likely to occur. Continue to take chlorpheniramine and talk to your doctor if you experience:

sleepiness
fatigue
dizziness
headache
dry mouth
difficulty urinating or an enlarged prostate

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

 

FDA Information

Why is this medication prescribed?

Other uses for this medicine

Dosage and using this medicine

What special precautions should I follow?

What should I do if I forget a dose?

What storage conditions are needed for this medicine?

In case of an emergency/overdose