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Internal and External Hemorrhoids

Internal hemorrhoids develop inside the anal canal. External hemorrhoids develop near the anal opening. Both types can occur at the same time.

By Healthwise Staff
Primary Medical Reviewer Anne C. Poinier, MD - Internal Medicine
Specialist Medical Reviewer Brent Shoji, MD - General Surgery
Last Revised September 22, 2010

WebMD Medical Reference from Healthwise

Last Updated: September 22, 2010
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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