Contamination OCD

Contamination OCD is a further subtype of OCD that can cause the individual a lot of stress. They obsess about cleaning and washing themselves fearing that if they don't shower or bathe a certain length of time then they will become ill themselves or make others ill or sick. To try and counteract these relentless thoughts the person can literally shower or bathe for hours and they still don't feel clean. 

Equally they can be worried about cleaning around the house and that if they don't clean and wash everything thoroughly then their family and friends will become ill. Consequently, it is not unheard of for a person to spend most of their waking day cleaning to counteract these thoughts and reduce the immense anxiety that the thoughts cause.