Your classic "bad trip" effects. Extreme paranoia. Manufactured negative thoughts about what others are thinking about you, etc. I once read someone say that a

Your classic "bad trip" effects. Extreme paranoia. Manufactured negative thoughts about what others are thinking about you, etc. I once read someone say that a bad trip is as close to what it feels like to experience psychosis as one can get without actually be clinically diagnosed psychotic. My empathy towards psychotics has increased significantly since then. Also, really bad nausea.