13th June 2022

A 36-year-old male repeatedly bits his lip leading to significant bleeding and bruising

A 36-year-old male repeatedly bits his lip leading to significant bleeding and bruising. This has been happening for the past 3 days. On questioning the patient denies visual or auditory hallucinations and has enjoyed socialising with friends. He has no significant medical or surgical history and his only hospital admission was at the age of 17 for appendicitis.

What is the most likely diagnosis?

Select the SINGLE most appropriate option from the list below. Select ONE option only.