I have itchiness around my butt and what feels like right inside the opening of my anus. what could this be? 17 year old girl.

Hemorrhoid: Or possibly a yeast infection or a contact dermatitis, pinworms, see your doctor for a diagnosis.

Pinworms: You may have small worms, called pinworms that cause itchiness around anus. You may get medicine against pinworms in the pharmacy, it's otc and you just have to take it one time.

Pruritis Ani: Pruritus ani (also known as anusitis) is the irritation of the skin at the exit of the rectum, known as the anus, causing the desire to scratch. Keeping the area dry with good wiping after bm's is important. Steroid creams can help this condition. See a dr. If need be, best wishes.

Get evaluated: Both gastroenterologists ; colorectal surgeons can help you. They will first perform a visual inspection ; digital exam after taking your history as to circumstances, duration, quality, timing of symptoms ;your risk factors. They may then determine topical treatment or ask to perform further evaluation of the rectal lining. Problem may be dermatologic, infectious, inflammatory, functional...