I've been using diphenhydramine as a sleep aid, but the dosage seems to be losing it's effect. Can I increase it by cutting a pill in half?
Is it OK to take 1&1/2 pills of benadril 25mg as sleep aid?
Question posted by SarKY2 on 1 Feb 2013
Last updated on 1 February 2013
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Answers
DzooBaby
1 Feb 2013
Adult dose of diphenhydramine is 25-50mg (so 1-2 25mg tabs) every 4-6 hours. You should take no more than 6 doses per 24 hours. So yes, you can take 11/2 tabs or you can increase to two tabs if you want. The drowsiness side effect of an antihistamine like Benedryl does decrease as you become tolerant to the effects. It is good to take a break from taking it from time to time so that you dont develop tolerance.
SarKY2
1 Feb 2013
Thank you Dzoo -- answer is right on what I needed to know! SarKY
Related topics
sleep disorders, diphenhydramine, sleep, dosage
Further information
- Diphenhydramine uses and safety info
- Diphenhydramine prescribing info & package insert (for Health Professionals)
- Side effects of Diphenhydramine (detailed)
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