Tag: anticholinergic effects
First-Generation Antihistamines: Why Severe Drowsiness and Anticholinergic Effects Matter
Dec, 1 2025First-generation antihistamines like Benadryl cause severe drowsiness and anticholinergic side effects that can last over 18 hours. Learn why they're risky for daily use, especially for older adults, and what safer alternatives exist.
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