According to the National Alliance on Mental Illness (NAMI), an estimated 20 percent of people who have major depression also have psychotic symptoms. This combination is known as depressive psychosis ...

Psychosis is a loss of contact with reality. Hallucinations and delusions are the most common symptoms. Psychosis can occur as part of many conditions, including schizophrenia and bipolar disorder.

Brief psychotic disorder is a mental health condition in which psychotic symptoms come on suddenly but last only for a short time — less than one month. After that, people usually recover completely.