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Bluelighter
How much diphenhydramine would one have to take (hypothetically) to counteract the histamine release of a dose of DXM of about 700mg?
That's an off label use, the antihistaminic effects happen at lower dosages.
Oh no but DXM isn't psychedelic ^ lol. I regress..
Anyway, I would take the diphenhydramine 30 mins before the DXM, you want it to be fully effective before the histamine release instead of trying to combat it once it happens.
Take the DPH first, a half hour would be fine. It seems to potentate DXM in my case, so you might trip a little harder, a lot harder if you take like say 100mg DPH but the side effects get much worse rather than a little better at that point.
golemgolem said:25-50mgs is what you want.