Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. Show all 14 brands drug class Antihistamines medically reviewed by drugs.com on jul 16, 2025 Common side effects of chlorpheniramine include central nervous system depression, sedation ranging from mild drowsiness to deep sleep (most frequent), dizziness, lack of energy (lassitude), impaired coordination, muscular weakness. Chlorpheniramine is an antihistamine used to treat sneezing, sneezing, watery eyes, and runny nose caused by allergies or the common cold Learn about side effects, dosages, drug interaction, and more.
This medicine may be used for other purposes Ask your health care provider or pharmacist if you have questions They need to know if you.
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