Introduction: Acute and Transient Psychotic disorder (ATPD) is defined by the ICD-10 as hallucinations, delusions, and/or senseless or nonsensical speech having an acute [1]. The distinguishing characteristic of ATPD is its abrupt onset. Second, there are characteristic symptoms present, and third, there is related acute stress [2].
Clinical Findings: Sleep disturbance, aggressiveness, muttering to self, irritability, irrelevant talks and loss of appétit, hearing of voices not heard by others, suspiciousness, increased talkativeness, increased energy and fearfulness.
Mental Status Examination: Conscious, dressed appropriately, well groomed, standing, eye to eye contact initiated, non cooperative, activity normal, and the mood is exhausted, frustrated, the affect is irritable, guarded, and the flow of speech rate is rapid with moderate volume and responsive quality, Thought-flight of thoughts is evident, as are perceptual abnormalities- auditory hallucination, impaired social judgment, and full denial of sickness.
Outcome: After treatment, the patient shows improvement. Irritability has reduced, sleeping pattern is improved, self muttering has stopped, irrelevant talks are less, and aggressiveness is reduced.
Conclusion: Patient was admitted to Psychiatric Ward with a known case of Bipolar Affective Disorder and after Mental Status Examination he is diagnosed as Acute Transient Psychotic Disorder with complain of Sleep disturbance, aggressiveness, muttering to self, irritability, irrelevant talks. He improved after receiving adequate treatment, and the treatment was continuously ongoing until my last date of care.