What are the possible causes of a swollen lump between the scrotum and anus, and how is it treated?

When you notice a lump in the area between your scrotum and anus, there are a few things that might be happening. One possibility is that it could be a perianal abscess, which is an infection that causes a pocket of pus to form in that area. This can make the lump feel painful, red, and warm.

Sometimes, this region can develop a cyst, which is a small, benign sac filled with fluid or other material; in some cases, the cyst might become infected. Other rare causes include developmental cysts that form between the sphincters.

If the lump is tender, red, or growing in size, it might need treatment right away. For an abscess, home treatments might include warm compresses to help the area drain naturally and ease some pain. However, if the infection is severe, a doctor may prescribe antibiotics or perform a minor procedure to drain the pus and clear the infection.

A benign, non-infected cyst that causes discomfort might be removed by a doctor through a simple surgical procedure. If you're experiencing these symptoms, you can check your symptoms to better understand what might be causing them and determine the best next steps for care with a healthcare professional.