Clinical depressionPsychotic depression
Some people who have severe clinical depression will also experience hallucinations and delusional thinking, the symptoms of psychosis.
Depression is a low mood that lasts for weeks or months and affects your daily life.
Symptoms of depression include feeling unhappy or hopeless, low self-esteem and finding no pleasure in things you usually enjoy.
Many things can cause depression such as stressful events, personality, family history and giving birth.
Treatment for depression usually involves a combination of lifestyle changes, talking therapies and medicines.
Page last reviewed: 05/10/2016
Next review due: 05/10/2019