750mg is a pretty high dose, I've had very unpleasant experiences (and hallunications) with 250mg.
How often do you take diphenhydramine? This sounds like it may be a tolerance issue.
I have a pretty good feeling that DPH has a lot to do with body size as well. How much you weigh? You and the OP both.
I weigh 155 pounds now, and weighed about 145 when I took DPH at that dosage last.
You probably just have a tolerance to the DPH, take a break for a while and try a lower dose and see if that works for you.
Maybe, I really have no way of knowing haha
I do know that 800mg is quite a high dose and you'll more likely than not get a lot of unpleasant side-effects even if you don't hallucinate.
If you're that desperate to get high, smoke some weed or something else that's less harmful to you, if you can...
You certainly can, it's just personally I feel 800mg is a bit much, but whatever works for you
It's all good man, just because I had bad experiences with DPH doesn't mean you will...
i agree,as a trained medical professional(and a roaring junkie) that dose is a bit much,maybe tolerance,or interaction is problem,whatever works for you..maybe smoking some weed would help with the side effects and intensify your trip and you would not have to increase your dose.