Clear Pimple In Mouth. What Causes Blisters in the Mouth. Mucous cyst also known as a mucocele is a clear fluid-filled swelling that occurs on the lip or the mouth.

Maybe 1 per week. Louis Gallia answered 45. Mucoceles may go away on their own or may be treated by your doctor by being carefully cut.
Dip a cotton swab into the peroxide solution and dab it only on the zit.
Turn the cotton swab around and repeat. The damage is often caused by braces lip biting or other injury to the mucosal surface. What to do at home. A mucocele is a small painless blister-like lesion that occurs on the inner lips or floor of the mouth.