Psychosis is a type of disorder a person can suffer from. Individuals who suffer from psychosis tend to have hallucinations or delusional beliefs. Psychologists will help individuals who suffer from psychosis deal with their problems with a variety of treatments. A disease can cause the psychosis in which case a medical doctor would be needed.
However, when it is a matter of mental health, those with psychosis are often in need of medication to help keep the hallucinations at bay. The right treatment can make it easier for a person suffering psychosis to re-enter the world and live well. The trouble with psychosis is that not all individuals can function in society and they must be treated at a mental institute. The problem is considered an alternate state of consciousness.