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Hemorrhoids Cause & Clinical Features

Hemorrhoids also known as piles is swelling at lower rectum and anus and this swelling consist of engorged veins; Incidence is common and increases with age but not all patients have symptoms
Most common cause is straining during bowel movement, obesity, pregnancy and low fibre diet
The typical symptom is bleeding which is bright red in color and it is few drops which drips after passage of stool and is painless; Prolapsed piles present as swelling around the anus
Piles are of two types internal and external; Internal piles are inside the rectum and they cause bleeding and may also prolapse; External piles are under the skin around anus and can itch or bleed when irritated
The only painful condition of piles is when there is clot in the external piles which causes swelling and painful mass around anus