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We explain what psychosis is and its possible causes, the symptoms of psychosis, the different types of psychosis, and what you can do if you experience a psychotic episode.

This can help if:

  • you or someone you care about has been diagnosed with psychosis or a psychotic disorder
  • you're noticing strange or unusual experiences that are frightening or that you can’t explain
  • you need help with trying to explain your experiences or diagnosis to your family and friends.
Boy in hospital ER

What is psychosis?

'Psychosis' is a term used to describe a number of psychological symptoms that impact on a person’s understanding or perception of reality. It commonly occurs in late adolescence or early adulthood, and affects around 3 in every 100 people in Australia. There is no test or scan that can show up psychosis. Instead, it’s usually diagnosed by a mental health professional based on observations and talking to you about your experiences.

Psychosis can be associated with other problems, such as drug addiction, bipolar disorder or severe depression.

Signs and symptoms of psychosis

Symptoms of psychosis include:

  • unusual ideas or beliefs about yourself or the world, some of which may be frightening
  • hearing sounds or voices that other people can’t hear, or seeing images that others can’t see (known as ‘hallucinations’)
  • the feeling that others might be in control of your body or thoughts
  • trouble with thoughts getting jumbled, so that it may be hard to make sense of what others are saying or to express yourself clearly to other people
  • behaviour that seems odd or that other people might find strange.

People can experience these symptoms for a period of time before they improve with treatment or support. This period is known as an 'episode' of psychosis. Some people will have a single episode of psychosis and no further problems; others may have further episodes during their lifetime.

What causes psychosis?

There are several possible causes of psychosis. Some drugs such as amphetamine (speed or ice) and prescription medications are known to produce psychotic symptoms. For other people, psychosis can result when they experience difficult or traumatic events. There is some indication that psychosis is more likely if a close family member has been diagnosed with a psychotic disorder. For people who have had an episode of psychosis, significant stress appears to be a factor in the development of further episodes. In rare cases, other medical illnesses can cause psychosis.

What are the treatments for psychosis?

Medication: Medications designed to treat psychosis are called ‘anti-psychotics’. These work by changing the effect of certain chemicals in the brain (such as dopamine) that impact on mood and behaviour. Some anti-psychotic medications can have side effects. If any of these are troubling, it’s important to discuss this with your doctor so that an alternative medication can be offered or the dosage reduced.

Your doctor or psychiatrist may also consider prescribing medications to treat some of the other problems associated with psychosis, such as depression or sleep problems.

Psychological therapies: Psychotherapy for psychosis is mostly aimed at teaching skills and techniques for coping with stress and improving quality of life. Some therapies have been shown to be effective in helping people who hear voices. The most effective psychological therapies for psychosis include cognitive behavioural therapy and family-based therapies. Open Dialogue, a recently developed therapy that involves including family and social networks in treatment, has shown promising results in several countries.

Lifestyle changes: For many people, improving general health and reducing stress through activities such as art, music and exercise can support recovery. Avoiding drugs and alcohol and getting good sleep can also help.

Practical support: Assistance with goals to do with study or work can also reduce stress and help people with psychosis.

What can I do now?

  • If you think that you or a friend may be experiencing psychosis, it’s important to seek professional support. Organisations such as Headspace, or your local GP, can be a good place to start.
  • Find a doctor, psychiatrist or therapist you feel you can trust and that you get along well with. They will help you or your friend understand or make sense of worrying or strange thoughts and behaviours.
  • If some of these experiences are making you or a friend feel unsafe, or if you’re having thoughts about harming yourself or someone else, you can call 000 or go to your nearest emergency department to access immediate help.