Delusions are false and irrational beliefs that someone holds onto – even when there is evidence that they’re not real. Find out about the different types, and how delusions can be treated.
Symptoms of psychosis
Someone affected by psychosis may experience symptoms such as confusion, delusions, hallucinations or suicidal thoughts.
Despite what many think, people with schizophrenia don’t have a ‘split personality’ and very few are violent. Learn more about this mental illness.
Alzheimer's disease symptoms
No two cases of Alzheimer's disease are ever the same because different people react in different ways to the condition. Learn more about signs and symptoms.
Many people, at times, feel paranoid. Paranoia is a state of mind in which a person believes that others are trying to harm them.
Causes of paranoia
Whilst paranoia may be caused by a mental disorder, it can also be triggered by recreational drug use, neurological diseases, severe trauma or stress.
Psychosis, where you experience an altered sense of reality, is treatable, but its causes are a mystery to researchers.
Delirium and dementia
People who have dementia are at a higher risk of developing delirium. Delirium is a more sudden change in consciousness or thinking that can often be prevented or treated. Find out more by reading our trusted partner pages.
Antipsychotic medications are medicines that can help ease the symptoms of psychosis. Find out more about antipsychotics.
Disorientation is what you experience when you are confused about the time, where you are or even who you are. It is often a symptom of dementia.