A case diagnosed psychotic depression and obsessive compulsive disorder that were emerged simultaneously after head trauma is discussed in this report. A 34-year-old male patient had the complaints of anhedonia, malaise, intense suicidal ideations, visual hallucinations, sleeplessness, tearfulness, symmetry and contamination obsessions had started 6 months ago after he had a head trauma because of an industrial accident. He had got treatments in inpatient and outpatient clinics but no improvement was observed. After a suicidal attempt by hanging, he was admitted to our hospital. It was learned that his brain CT, MRI and EEG did not confirm head trauma. Psychiatric examination revealed anhedonia, depressive and anxious affect and mood, irritability, suicidal ideations, visual hallucinations, reference perceptions, symmetry and contamination obsessions, arranging and cleaning compulsions and insomnia. SCID-I was performed to the patient. Major depression and obsessive compulsive disorder were diagnosed. HAM-D and Y-BOCS scores were 20 and 43 , respectively. Oxcarbamazepine 600 mg/day, şuoxetine 40 mg/day and quetiapine 200 mg/day were ordered. Standardized Mini mental state scale score was 25/30. Bender- Gestald test reported as “related to obsessive style but no meaningful finding pointing to organicity.” Benton test reported as “attention, perception and immediate memory functions were fair average.” Mean of score was 11/15. Neurocognitive battery reported as “executive functions, judgement-explication, arithmetic abilities ‘very good’, verbal and visual memory ‘good’, logical memory ‘’average’, attention ‘low’. Depressive and obsessive symptoms were decreased, suicidal ideations were dissolved . He was discharged under outpatient follow up. Mood, anxiety and psychotic disorders might be emerged after head trauma. In this case, no premorbid psychiatric story and no findings in the scans were recorded but intense depressive and obsessive symptoms and suicidal ideations were seen after trauma. Even no findings in the scans after head trauma was detected, severe psychiatric disorders can be seen in this group of patients.