Anal Itching? I am assuming your anus itches. Several causes. Partial rectal prolapse can cause this. Mucous glands on the outside and wet and not meant to be there. Causes poor hygiene. Pin worms can cause this. Hemorrhoids can cause this. Yeast and other fungan and bacterial infecitons can cause this. Use baby wipes, balneol or other rectal cleanser. Check for pin worms. Get anoscopic exam by md.