Pinworms (Enterobius vermicularis) on Colonoscopy Veterinarian student with abdominal pain, narcotic seeking, weight loss, early satiety, normal CT. Psych consulted for psychosomatic d/o after 3rd ER visit and eosinophilia. Final diagnosis - Pinworms (enterobius vermicularis). Heavy infestation. GI symptoms didn’t resolve completely after de-worming. Pruritis ani (not chief complaint) resolved. This was largely an incidental dx. Andy Tau, MD @DrBloodandGuts #Pinworms #Enterobius #vermicularis #Colonoscopy #endoscopy #clinical #gastroenterology #parasites