Psychosis as a medical symptom carries with it the heavy stigma of "mental illness," which can earn a patient the long-term label of a mental illness on their medical record and mandatory hospitalization. Nevertheless, there are a variety of medical conditions for which psychosis is a symptom, and the majority are not mental illnesses. Technically therefore, psychosis (hallucinations and delusions) can happen to anybody as a result of a physical malady- many are easily detected and treated. Psychosis can happen as a temporary symptom and be misdiagnosed with a long-term label, and this does happen. I must preface this by saying that this post in no way constitutes medical advice. According to Medline Plus (a service of the U.S. National Library of Medicine) the following are a list of medical problems and diseases that can cause psychosis (schizophrenia-type symptoms)- "A number of medical problems can cause psychosis, including: Alcohol and certain illegal