The Honest Truth: How Long Does Benadryl Actually Stay In Your System?
⏰ The Real Answer: When Does Diphenhydramine Finally Clear Your System? You took Benadryl for a nasty itch or a sleepless night, and now you have one critical question: when is it actually out of my system? Forget the vague 4–6 hour “effect” window—that’s just when the most noticeable drowsiness and allergy relief wear off. …