These symptoms may be worse at night. The anal glands, located in the base of the anal crypts at the level of the dentate line, are the most common source of perianal infection. Acute infection presents as an abscess, and chronic infection results in a fistula. The most common symptoms of perianal abscess are swelling and pain. Fevers and chills may occur.
Perianal abscess is common in Management of perianal abscess .
Perianal abscesses are treated with incision and drainage.