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A member asked:
How long until my tolerance for benadryl (diphenhydramine) disappears?
A doctor has provided 1 answer
Depends: On how long you were taking it. The longer you took it the longer it will take to resolve.
Answered 12/2/2017
5.6k views
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Related Questions
A member asked:
How long does diphenhydramine stay in your system? I took 100mg before sleep, but 12 hours later, i'm still drowsy. The more dosage, the longer?
A doctor has provided 1 answer
A member asked:
Can i get addicted if i keep taking100mg single dose of diphenhydramine every night? (50mg is no longer effective for falling asleep after a few days.
2 doctors weighed in across 2 answers
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