May be viral: The blister might be viral. If it is a shallow yellow white ulcer with red rim then probable aphthous ulcer which is from inflammation of the mouth lining and will resolve in 7-10 days. Steroid cream applied to the area, cepacol lozenges, an Aspirin dissolved in water then gargled might help.
Answered 7/18/2018
5.2k views
See below: Have a clinical examination by an ENT for a definitive diagnosis. Good luck.
Answered 1/5/2019
302 views
A doctor has provided 1 answer
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question