I don't see what makes a benadryl trip shitty... I took 300mg yesterday and it wasnt that bad, ghost-like hallucination on walls and general stoned feeling. It did make my mouth dam dry and cause nausea, but the big downside of that trip was not enuf intense... I think 400 would be better.

Oh and benadryl trips are better with good music, I made the mistake to not put any beat on.