Amiya Ranjan Behera is an 18-year-old male student who was admitted to the hospital with a diagnosis of obsessive compulsive disorder. He reports symptoms of palpitations, breathlessness, repetitive behaviors like hand washing for 15 minutes and checking things an even number of times. On examination, he appears anxious but is oriented with intact cognition. He reports obsessions about contamination and compulsions to perform behaviors in an even manner. The document outlines his history, mental status exam, physical exam and provides context on obsessive compulsive disorder including potential etiological factors and definitions.