Deslym sucks. It is sometimes used recreationally for its dissociative and slightly psychedelic effects. Show Ignored Content. DropDeadDevin Bluelighter. He won the first, but I got him in the second. Mr Blonde said: Home What's new Latest activity Authors. The CPM deffinetly makes it different. Now I have Delsym, and am thinking about trying it. In my experience Delsym gives a much smoother tripp. GrampaApr 28, Corrected that. So one night in the past I had taken around mg of Robitussin, but went to sleep before it kicked it.