A member asked:

What other conditions can cause a painless single blister or rash on lip that has fluid in it? a bump that not like a pimple or bug bite

A doctor has provided 1 answer
Dr. Erik Voogd answered

Specializes in Pain Management

Mucocoele: A mucocoele, is a fluid-filled swelling that occurs on the lip or the mouth. These occur where mucus is produced in goblet cells lining the mouth and lips and the outlet is obstructed. The can be recurrent but are generally harmless just annoying.

Answered 4/11/2015

3.8k views

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