EHemorrhoids (HEM-uh-roids), also called piles, are swollen veins in your anus and lower rectum, similar to varicose veins. Hemorrhoids can develop inside the rectum (internal hemorrhoids) or under the skin around the anus (external hemorrhoids).
Nearly three out of four adults will have hemorrhoids from time to time. Hemorrhoids have a number of causes, but often the cause is unknown.
Fortunately, effective options are available to treat hemorrhoids. Many people get relief with home treatments and lifestyle changes.
Straining puts pressure on veins in the anus or rectum, causing hemorrhoids. You might think of them as varicose veins that affect your bottom.
Any sort of straining that increases pressure on your belly or lower extremities can cause anal and rectal veins to become swollen and inflamed. Hemorrhoids may develop due to:
According to the ‘‘vascular’’ theory, arterial overflow in the superior hemorrhoidal arteries would lead to dilatation of the hemorrhoidal venous plexus. Hemorrhoid laser procedure (LHP) is a new laser procedure for outpatient treatment of hemorrhoids in which hemorrhoidal arterial flow feeding the hemorrhoidal plexus is stopped by laser coagulation.