Schizoaffective disorder

Schizoaffective disorder is a severe mental illness that can affect how people experience the world around them and cause extreme, distressing mood changes.This information looks at what schizoaffective disorder is, why it happens, how it is treated, and how people with schizoaffective disorder can support themselves. It also includes information for family and friends.

About our information

We publish information to help people understand more about mental health and mental illness, and the kind of care they are entitled to.

Our information isn't a substitute for personalised medical advice from a doctor or other qualified healthcare professional. We encourage you to speak to a medical professional if you need more information or support. Please read our disclaimer.

Published: Sep 2025

Review due: Sep 2028

© Royal College of Psychiatrists