You should not get psilocybin When you've got pre-present — or perhaps a predisposition to — schizophrenia or bipolar mania, as psilocybin might worsen psychotic or manic symptoms.1st, it’s helpful to look at what psilocybin is. Also known as “magic mushrooms” or “shrooms,” psilocybin is a hallucinogenic substance that arises from spe