A member asked:

Took 25 mg non drowsy meclizine. feel extremely tired and sleepy and run down. normal, dangerous? it's been 10 hours since i took it and still feel.

A doctor has provided 1 answer
Dr. Alvin Lin answered

Meclizine: Meclizine is never non-drowsy unless taken continuously such that you become acclimated/accustomed to its side effects. Check out http://www.drugs.com/sfx/meclizine-side-effects.html for more info. We try to avoid it elderly b/c it can also cause dry eyes, dry mouth, urinary retention (can't pee) & constipation, all as a result of anticholinergic side effects.

Answered 8/29/2015

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