The symptoms must not be caused by schizophrenia, schizoaffective disorder, delusional disorder, or mania in bipolar disorder. They must also not be caused by a drug (such as amphetamines) or medical condition (such as a brain tumor). Differential diagnosis There are general medical causes of<unk>  psychosis that should be considered during evaluation, including postnatal depression, HIV and AIDS, malaria, syphilis, Alzheimer's disease, Parkinson's disease, hypoglycaemia (an abnormally low level of glucose in the blood), lupus, multiple sclerosis, brain tumor, SARS-CoV-2 (COVID-19) infection and pediatric autoimmune neuropsychiatric disorders (PANS).
Brief psychotic disorder
Childhood schizophrenia
Post-schizophrenic depression
Secondary mania
Unitary psychosis
Disorganized schizophrenia
Schizoaffective disorder
Bipolar disorder not otherwise specified