I think you’d have to be a pretty demented individual to do that long before you did any LSD (or as Kirk would say, LDS). I did LSD once in high school back in the day...took two hits and never had any inclinations to sever body parts (though for all intents it could be considered a “bad trip”).
Although much to my discredit, I did (at 17) wake the parents at 3am to tell them the aliens were here to pick me up