Perianal abscess differential diagnosis

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

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Overview

This condition is often misdiagnosed initially by the patient as a bad case of hemorrhoids, since this is almost always the cause of any sudden anal discomfort. The presence of the abscess, however, is to be suspected when the pain quickly worsens over one or two days and the usual hemorrhoid treatments are ineffective in bringing relief. Furthermore, any serious abscess will eventually begin to cause signs and symptoms of general infection, including fever and nighttime chills.

A physician can rule out a hemorrhoid with a simple visual inspection, and usually appreciate an abscess by touch.