Skip to content. Most lumps and swellings under the skin are harmless and can be left alone. However, see your GP if you develop a new lump or swelling so that the cause can be identified. You should see your GP if you develop any growth or swelling on your body. They can examine it and confirm what it is and what's causing it. Surgery may be needed to remove certain types of lump.
Lump on your anus: perianal haematoma signs, symptoms and treatment
Medically reviewed by Drugs. Last updated on May 23, Hemorrhoids are lumps or masses of tissue in the anus, which contain enlarged blood vessels. Any increase in abdominal pressure may produce hemorrhoids. This may be from:. Repeated straining to have a bowel movement, especially in people who suffer from frequent constipation.
Finding a lump on any part of your body can be alarming, but try not worry. If you've found a small and often dark or black coloured lump on the outside of your anus that looks a bit like external piles , it is most likely a perianal haematoma. A perianal haematoma can be distinctly uncomfortable, and may leave you feeling worried or embarrassed, as well as in pain.
Sometimes anal cancer causes no symptoms at all. But bleeding is often the first sign of the disease. The bleeding is usually minor. At first, most people assume the bleeding is caused by hemorrhoids painful, swollen veins in the anus and rectum that may bleed.