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chlorpheniramine pseudoephedrine
- ... can be harmful in large amounts: Acetaminophen (Tylenol) Chlorpheniramine Phenylpropanolamine Dextromethorphan hydrobromide Diphenhydramine hydrochloride Pseudoephedrine hydrochloride Note: Not all of these ingredients are ...
- ... symptoms . Antihistamines that may cause sleepiness -- Diphenhydramine (Benadryl); chlorpheniramine (Chlor-Trimeton); brompheniramine (Dimetapp), or clemastine (Tavist) Antihistamines ...