noun[mass noun] Medicine
An antihistamine compound used for the symptomatic relief of allergies.
- Take an antihistamine containing diphenhydramine (Benadryl, Tylenol Severe Allergy) or chlorpheniramine maleate (Chlor-Trimeton, Teldrin).
- Amitriptyline, diazepam and diphenhydramine (in Tylenol PM) are considered risky for older individuals.
- The sedating antihistamine diphenhydramine is found in Benadryl, Tylenol PM and Sominex.
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