Hemorrhoids (HEM-uh-roids), also called piles, are swollen veins in the anus and lower rectum. Hemorrhoids are similar to varicose veins. Hemorrhoids can develop inside the rectum, called internal hemorrhoids. They also can develop under the skin around the anus, called external hemorrhoids.
There are several options available to treat hemorrhoids. Many people get relief with home treatments and lifestyle changes.
Symptoms of hemorrhoids usually depend on the type of hemorrhoid.
Internal hemorrhoids lie inside the rectum. You usually can’t see or feel them, and they rarely cause discomfort. But straining or irritation when passing stool can cause:
These are under the skin around the anus. Symptoms might include:
Blood can pool in an external hemorrhoid and form a clot, called a thrombus. A thrombosed hemorrhoid can result in:
If you have bleeding during bowel movements or you have hemorrhoids that don’t improve after a week of home care, talk to your health care provider.
Don’t assume rectal bleeding is due to hemorrhoids, especially if you have changes in bowel habits or if your stools change in color or consistency. Rectal bleeding can happen with other diseases, including colorectal cancer and anal cancer.
Seek emergency care if you have large amounts of rectal bleeding, lightheadedness, dizziness or faintness.
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