👉 Pithecanthropine is a type of hallucinogenic substance that can cause severe side effects and addiction, including delirium, paranoia, delusional thinking disorder, delusions, hallucinations, psychotic symptoms, and suicidal thoughts. It has been classified as a Schedule II drug in the United States and Canada. It was first discovered in 1936 in the Amazon rainforest of Brazil and is believed to have originated from the fungus Pyruginum pallidum. The