Mucous Cyst: Causes, Symptoms, and Diagnosis
Mucous Cyst What are mucous cysts? A mucous cyst, also known as a mucocele, is a fluid-filled swelling that occurs on the lip or the mouth. The cyst develops when the mouth’s salivary glands become plugged with mucus. Most cysts are on the lower lip, but they can occur anywhere inside your mouth. They’re usually …