Yet it was true that the mid-1960s saw a surge of people on LSD showing up in emergency rooms with acute symptoms of paranoia, mania, catatonia, and anxiety, as well as “acid flashbacks”—a spontaneous recurrence of symptoms days or weeks after ingesting LSD. Some of these patients were having genuine psychotic breaks. Especially in the case of young people at risk for schizophrenia, an LSD trip can trigger their first psychotic episode, and sometimes did. (It should be noted that any traumatic experience can serve as such a trigger, including the divorce of one’s parents or graduate school.)
...more