29 May 2012
I don't think there are any long term side effects of Nytol (diphenhydramine). The link below has known side effects of diphenhydramine.
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my friend has been on pain pills for two years, and i was just wandering what the long term effects were. how do you know when the drug is starting ...
when taking sleeping pills such as Unisom?
I do not and have not slept much at night for 15 years and carbamazepine helps A LOT but am worried about the LONG term side effects.