By Katlyne Brutus, MSN, FNP-C, PMHNP-BC | Clearview Behavioral Health and Wellness Services Contamination OCD is a form of obsessive-compulsive disorder in which unwanted, intrusive fears of being dirty, infected, poisoned or “tainted” drive repetitive washing, cleaning, avoidance or reassurance seeking. The fear can attach to germs, bodily fluids, chemicals or illness, and also to