Typical obsessions:

Fear of getting contaminated by people or the environment
Disturbing sexual thoughts or images
Fear of blurting out obscenities or insults
Extreme concern with order, symmetry, or precision
Recurrent intrusive thoughts of sounds, images, words, or numbers
Fear of losing or discarding something important
Compulsions are repetitive behaviors or mental acts that a person feels driven to perform in response to an obsession.

Typical compulsions:

Excessive or ritualized hand washing, showering, brushing teeth, or toileting
Repeated cleaning of household objects
Ordering or arranging things in a particular way
Repeatedly checking locks, switches, or appliances
Constantly seeking approval or reassurance
Repeated counting to a certain number
Related Conditions
Body Dysmorphic Disorder
Hoarding Disorder
Hair-Pulling Disorder (Trichotillomania)
Skin-Picking Disorder (Excoriation)