Mixing ecstasy and caffeine can cause a fever and rapid heartbeat. http://blog.wired.com/wiredscience/2008/02/caffeine-and-ec.html
lol i was gone off a pill and a half today. i also chewed em up and washed it down with a coke so i think i had plenty of caffeine for today but an average e pill has about 5% caffeine already in it.
Duh? So many people died at the euro parades and the raves..and all that they left behind was redbull cans