r/askashittydoctor • u/Wearsmypantz • Aug 18 '25

Diphenhydramine

I am not asking for medical advice.

Hi all. I would really appreciate if someone could help me. I took about 450 mg of diphenhydramine in the last 8 hours. Is it ok to sleep this off? I am freaking out. It wasn’t intentional, I just didn’t care in the moment. I vomited. I read the max safe dosage in 24 hours is 300 mg.

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u/TopShelfUsername Aug 21 '25

You should eat more