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A member asked:

I took two benadryl (diphenhydramine) tablets and after i swallowed them i realized they were expired by almost 5yrs. will this have bad side effects.

A doctor has provided 1 answer
Dr. Powlin Manuel answered

Specializes in Allergy and Immunology

No worries!: This should not cause any problem. Most medicines loose effectiveness after the expiration date. It is advisable not to take again.

Answered 9/12/2017

3.3k views

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