Psychosis

A severe mental disorder characterized by impaired reality testing, with prominent symptoms such as hallucinations, delusions, and disorganized thought, perception, or behavior. Often associated with psychiatric conditions (schizophrenia, bipolar disorder, severe depression, schizoaffective disorder, PTSD), substance abuse (cocaine, amphetamine, hallucinogen, cannabis, alcohol, steroids), neurological conditions (Alzheimer's disease, Parkinson's disease, stroke, brain tumor, epilepsy), infections (viral encephalitis, HIV, malaria, neurosyphilis), hormonal disorders (thyroid imbalance, hypoglycemia, deficiency in vitamin B12 or vitamin D), lupus, sleep deprivation, and severe stress.