What causes rectal itching? hemroid cream does not help. itching is on out edge of rectum.

There are several: causes such as increased moisture , pinworm infection, yeast infection, contact dermatitis, irritation from scents, dyes and softening agents in products such as soap and toilet paper. See your doctor.

Pruritus ani...: ...is the fancy Latin name. That doesn't help much, just means itchy anus -- and you knew that! Everyone has it from time to time. Hygiene is often a problem; careful wiping after BMs may help. Wash well, keep the area dry (e.g. corn starch or talc), and try over-the-counter hydrocortisone cream. If no better in a few days, see MD to check for things like yeast infection, anal warts, hemorrhoids.