Question:medium

Identify the pair of drugs which act as antihistamines.

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It is helpful to memorize the major classes of drugs and a few key examples for each: - Antihistamines: Cetirizine (Zyrtec), Loratadine (Claritin), Diphenhydramine (Benadryl), Terfenadine (Seldane). - Tranquilizers: Diazepam (Valium), Alprazolam (Xanax), Barbiturates. - Analgesics: Aspirin (non-narcotic), Morphine, Codeine (narcotic). - Antidepressants: Iproniazid, Phenelzine (Nardil).

Updated On: Mar 30, 2026

Dimetapp, Seldane
Iproniazid, Nardil
Veronal, Valium
Heroin, Codeine

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The Correct Option is A

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