Mental Health UK


This section explains what psychosis is and its possible causes and where you can get further information and support.

  • Psychosis is a medical term used to describe hearing or seeing things that do not exist, or believing things that other people do not.

  • Common examples include hearing voices or believing that people are trying to do you harm.

  • You can experience psychosis for a wide variety of reasons. For example it can be due to having a mental illness such as schizophrenia or bipolar disorder. It may be caused by drug use, brain injury or extreme stress.

  • There is no one single cause of psychosis but researchers believe that genes, biological factors and environment may play a part.

This section covers:

  1. What is psychosis?

  2. What conditions are linked with psychosis?

  3. What causes psychosis?

  4. Where can I get further information and support?

This information was written by Rethink Mental Illness, which has been awarded Information Standard accreditation for being trusted and relevant.