Hemorrhoids, also called piles are pockets of swollen blood vessels inside the anus. Symptoms are itching or irritation in anal region, pain or discomfort, swelling around anus, bleeding, swelling, inflammation. Causes of hemorrhoids are straining during bowel movements, sitting for long periods of time on the toilet, having chronic diarrhea or constipation, being obese, having anal intercourse, eating a low-fiber diet, regular heavy lifting. Types of hemorrhoids treatments are rubber band ligation, injection (sclerotherapy), hemorrhoidectomy, hemorrhoid stapling. Hemorrhoids treatments are done by gastroenterologists or general surgeons.