Piles are swollen veins in the lowest part of your rectum and anus. When the blood vessel walls stretch and allow the veins to bulge and become irritated then piles occur. As piles occur far inside the rectum, internal hemorrhoids cannot be seen.A patient can know that they have piles when they bleed during passing stool. External hemorrhoids are under the skin around the anus. It usually hurts due to the many nerves in this area. CausesWhen there is increased pressure on blo…
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