Hallucinations are a relatively common psychiatric symptom. Generally, hallucinations may be heard in a wide range of different diseases, as follows: 1. due to psychoactive substances: for example, hallucinations due to alcoholism, hallucinations in which one may hear the feeling that someone is trying to destroy oneself, that the police are coming to arrest oneself, etc. delusions of victimization. Of course, schizophrenia may also have more obvious hallucinations, such as two people arguing, or talking about themselves, or talking to themselves out of thin air. 2. Organic diseases: hallucinations caused by organic brain diseases are usually related to delusions of victimization, such as feeling that someone is bad-mouthing you behind your back and persecuting you. There are still a lot of hallucinations, such as argumentative hallucinations, command hallucinations, commentary hallucinations, etc.