Butorphanol
"Omg I was given  Stadol in my arm where my IV was to start. I went to ER for throwing up and throat burning and right side of my throat was closing up like swollen and on fire. They took blood, a pee test and came back with zofran in my IV and had me drink this Cocktail stuff that had lidocaine in it. Made my throat burn worse. I think they gave me WAY too much of Stadol. Weirdest feeling ever!!! Felt like I was flipping backwards, my body was being pulled  forcing my whole body and brain n eyes. Felt so panicky,  freaked out, the worst drunk feeling ever. I would NOT recommend this to anyone. 
Coming down from that scary high. Still can't stand up by myself. Do not take it. I would rather have the pain than have to take this again"