The patient has symptoms from 1 to 30 days and eventually recovers completely.
Some disorders have similar or even the same symptom.
The clinician, therefore, in his diagnostic attempt has to differentiate against the following disorders which he needs to rule out to establish a precise diagnosis. The disorder usually strikes people between 20 and 30 years of age. With treatment, symptoms usually disappear within a month. However, a short hospitalization may be necessary. A brief psychotic episode is usually triggered by a traumatic event such as a death, assault, or rape.