--- title: "Schizophrenia: Symptoms, Causes & Treatment | HealthAnswers" description: "Schizophrenia — psychosis symptoms, early warning signs, NHS treatment with antipsychotics and talking therapies, and crisis support." url: https://healthanswers.co.uk/conditions/schizophrenia/ robots: noindex --- # Schizophrenia: Symptoms, Causes & Treatment | HealthAnswers Health A–Z Schizophrenia — psychosis symptoms, early warning signs, NHS treatment with antipsychotics and talking therapies, and crisis support. Written by HealthAnswers editorial team Medically reviewed by [Dr Neil Singh MBChB - nMRCGP](https://healthanswers.co.uk/our-doctors/neil-singh/) · GMC 7039648 Reviewed 28 June 2026 ## Quick answer What is schizophrenia? Schizophrenia is a serious mental illness affecting how a person thinks, feels and behaves — causing psychosis (hallucinations, delusions, disorganised thinking). It usually starts in late teens or twenties. It is not split personality — a common myth. With antipsychotic medication, psychological therapy and community support, many people manage symptoms and live fulfilling lives. Seek urgent help for suicidal thoughts, not eating or drinking, or behaviour putting self or others at risk. ## Who is this page for? This page is for people in the UK who want a plain-English overview of Schizophrenia, including when to seek help and what NHS care usually involves. It explains general information, not what is wrong with you personally. ## Who should skip this page? Skip this page if you need a diagnosis, a prescription, or emergency care. It cannot replace a GP, pharmacist, NHS 111 or 999. If you are in immediate danger, call 999; for urgent advice that is not life-threatening, call 111 in England, Scotland or Wales, or use your GP out-of-hours service in Northern Ireland. On this page 7 sections ## Key facts about schizophrenia - Schizophrenia affects about 1 in 100 people — often first episode between ages 15 and 35. - Positive symptoms — hallucinations (often hearing voices), delusions, disorganised speech. Negative symptoms — flat mood, social withdrawal, lack of motivation. - Not caused by bad parenting or personal weakness — combination of genetics, brain chemistry and stress. - Antipsychotics reduce psychosis — early treatment improves long-term outlook. - Crisis teams and Early Intervention in Psychosis services provide specialist NHS support after first episode. ## Schizophrenia — understanding psychosis **Schizophrenia** is a **severe mental illness** characterised by **psychosis** — experiences **outside shared reality** — plus **negative** and **cognitive** symptoms affecting **daily function**. **~1% lifetime prevalence** — **equal men and women** — **men often earlier onset**. ## Symptoms ### Positive (added experiences) - Hallucinations — hearing voices most common — may comment, command, or converse - Delusions — fixed false beliefs — persecution, reference, grandeur, control - Disorganised thinking — speech jumps , neologisms - Disorganised behaviour — unpredictable actions ### Negative (loss of function) - Flat affect — reduced facial expression - Avolition — lack of motivation - Anhedonia — no pleasure - Social withdrawal ### Cognitive - Working memory , attention , processing speed — often overlooked — affect employment ## Prodrome and first episode **Months before psychosis:** - Withdrawal , school/work decline - Odd beliefs , suspiciousness - Sleep disturbance **First episode psychosis (FEP)** — **Early Intervention services** — **critical window** — **better outcomes with prompt antipsychotics + therapy** ## Causes **Multifactorial:** - Genetic — ~10% risk if first-degree relative - Dopamine dysregulation — antipsychotic rationale - Neurodevelopmental — prenatal infection, complications - Cannabis — especially high THC in adolescence — increases risk - NOT bad parenting or weak character ## Treatment **Antipsychotics:** - First episode — low dose , monitor metabolic side effects - Clozapine — after 2 failed trials — gold standard for resistant psychosis — blood monitoring **Psychological:** - CBTp — CBT for psychosis - Family intervention — reduce expressed emotion - Relapse prevention — early signs diary **Social:** - Supported employment/education - CPA care programme approach ## Living with schizophrenia **Recovery model** — **symptoms managed**, **meaningful life possible** **Side effects matter:** - Weight gain , metabolic syndrome — annual health checks - Tardive dyskinesia — long-term movement disorder — discuss with psychiatrist **Advance statements** — **preferences when unwell** ## Crisis **Phone 999** if **immediate danger** **Crisis team** — **GP or 111 referral** **Sectioning (Mental Health Act)** — **only when necessary** — **least restrictive care preferred** ## ! When to see a GP about schizophrenia See a GP urgently if you or someone close experiences persistent hearing voices others cannot hear, fixed false beliefs (delusions), suspiciousness, disorganised speech, or withdrawal from normal life — especially if new and distressing. Phone 999 or attend A&E if suicidal, violent, not eating, or unable to care for self. NHS 111 can direct to crisis team out of hours. ## Common questions about schizophrenia What are the symptoms of schizophrenia? Psychosis — hallucinations (commonly auditory), delusions (paranoid or bizarre beliefs), thought disorder — speech hard to follow. Negative symptoms — reduced expression, apathy, social isolation. Cognitive difficulties — concentration, memory. Symptoms vary between people and over time — not everyone has all features. Is schizophrenia the same as split personality? No — completely different condition. Schizophrenia involves psychosis — losing touch with shared reality. Dissociative identity disorder (historically called split personality) is rare and distinct. The name schizophrenia means split mind in Greek — refers to fragmented thinking, not multiple personalities. How is schizophrenia treated on the NHS? Antipsychotic medication — risperidone, olanzapine, aripiprazole, clozapine for treatment-resistant cases. Psychological therapies — CBT for psychosis, family intervention. Early Intervention in Psychosis teams for first episode — up to 3 years. Community mental health team for ongoing care. Hospital admission if acutely unwell. Can people with schizophrenia work and have relationships? Yes — many do with stable treatment and support. Outcomes vary — some recover well after first episode, others have relapses. Stigma and side effects of medication can be barriers — vocational support and peer groups help. Realistic goals with care plan. What triggers a relapse in schizophrenia? Stopping antipsychotics without medical advice is commonest cause. Stress, sleep loss, substance use (especially cannabis and stimulants), and major life events. Relapse prevention plans — recognise early warning signs, contact care coordinator promptly. ## Sources - [NHS — Schizophrenia](https://www.nhs.uk/mental-health/conditions/schizophrenia/overview/) - [NICE — Psychosis and schizophrenia in adults](https://www.nice.org.uk/guidance/cg178) - [Rethink Mental Illness](https://www.rethink.org/)