Clinical Guidelines

Evidence-based health information

Schizophrenia

Understanding a serious mental illness — symptoms, treatment and recovery

Schizophrenia

Schizophrenia is a serious long-term mental health condition that affects around 1 in 100 people worldwide. It can cause a wide range of psychological symptoms and significantly affects how a person thinks, feels and behaves. With the right treatment and support, many people with schizophrenia lead full and meaningful lives.


What is schizophrenia?

Schizophrenia is a complex mental illness that affects how a person perceives reality. It typically involves episodes of psychosis — periods when someone experiences hallucinations (hearing or seeing things that others do not) or delusions (strongly held false beliefs). It also causes 'negative symptoms' such as loss of motivation, emotional blunting and social withdrawal, and can affect concentration and memory.

What causes schizophrenia?

The exact cause is not fully understood, but schizophrenia is thought to result from a combination of genetic vulnerability and environmental factors. Having a close relative with schizophrenia increases risk, as does exposure to certain viruses before birth, childhood trauma and growing up in an urban environment. Use of cannabis — particularly high-strength strains — is an important and modifiable risk factor, especially in those who are genetically vulnerable.

Symptoms and the impact on daily life

Schizophrenia can affect every area of a person's life. Positive symptoms (so called because they add experiences that are not normally present) include hallucinations — most commonly hearing voices — and delusions. Negative symptoms include social withdrawal, reduced emotional expression and difficulty initiating activities. Cognitive symptoms affect memory and attention. Anxiety and depression are also very common in people with schizophrenia.

Treatment — what helps?

Antipsychotic medication is the cornerstone of treatment and can significantly reduce the frequency and severity of psychotic episodes. Alongside medication, psychological therapies — particularly Cognitive Behavioural Therapy adapted for psychosis — are strongly recommended. Family therapy, supported employment and social skills training are also beneficial. Early intervention is vital — the sooner treatment begins after a first episode, the better the long-term outcome.

Recovery and living well

Recovery from schizophrenia is possible and many people achieve significant improvement in their symptoms and quality of life. Staying on medication, engaging with mental health services, avoiding cannabis and alcohol, maintaining social connections and a structured routine all support recovery. Rethink Mental Illness and MIND offer excellent support and information. All content in this article has been prepared following careful evaluation of current mental health guidelines and evidence-based practice.

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