Mucous Cyst

Also known as: mucocele.

What is a mucous cyst?

Cysts are a lump or bump that is non-cancerous and appears on part of the body. A mucous cysts gets its name because it often results from mucus clogging a gland and leading to the formation of the cyst.

What causes mucous cyst?

On or around the mouth, mucous cysts can result from lip or cheek biting, piercings, poor dental hygiene and other causes. Mucous cysts that occur on the hands or fingers are often a side effect due to osteoarthritis.

What are the symptoms of mucous cyst?

Other than the physical appearance of the cyst, mucous cysts often do not cause any symptoms. However, pain, numbness or limited mobility of the fingers are possible symptoms.

What are mucous cyst care options?

In many cases, mucous cysts do not require any treatment. Immobilizing the arm, puncturing the cyst with a needle to drain the fluid (aspiration) or surgery are other potential treatment options.

Reviewed by: Ana Margarita Duarte, MD

This page was last updated on: June 02, 2025 04:28 PM