What is delusion meaning?

A delusion is a strongly held false belief that persists despite evidence to the contrary. It is a symptom of various mental illnesses, including schizophrenia, bipolar disorder, and major depression. Delusions can be bizarre or non-bizarre and can pertain to various topics such as persecution, grandiosity, jealousy, or somatic sensations. Delusions can be distressing for the person experiencing them, and they may cause them to act in erratic or dangerous ways. Treatment for delusions can include therapy, medication, and other forms of support. It is important to seek help if you or someone you know is experiencing delusions.