History A 27-year-old man presents with a 6-month history of increasing repetitive behavioral routines. He is now unable to leave the house without undertaking lengthy repetitive checking of locks, taps, and switches. He is taking longer and longer so that he is often late for work. He wants to know what is wrong with him and what treatment options there are that do not require medication. Mental state examination His eye contact is good. He is anxious and gently rubs his hands together without looking at them.
His mood is not low subjectively or objectively. His speech is normal. There are no delusions or hallucinations and nothing else of note. What is the likely diagnosis? *This case is from Docplexus editorial team for educative purpose only Source: 100 cases in psychiatry Stay connected, the answer will be published in next 48h!