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A member asked:
Is it safe to take 100mg of diphenydramine hci?
A doctor has provided 1 answer
High dose: The average dose is 25to50mg but 100mg, while not dangerous, can cause sleepiness and excessive drying of mucus membranes. Less common are slower urination in men and possible aggravation of glaucoma. Of course it will potentiate the effects of other sedating medications.
Answered 1/16/2014
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