Tag: diphenhydramine side effects

First-Generation Antihistamines: Why They Cause Severe Drowsiness and Anticholinergic Effects

9

May

First-Generation Antihistamines: Why They Cause Severe Drowsiness and Anticholinergic Effects
  • Categories: Health
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Explore why first-generation antihistamines like diphenhydramine cause severe drowsiness and anticholinergic effects. Learn about blood-brain barrier penetration, risks for older adults, and safer alternatives.

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