What is the best way to cure blister on gum?

Gum blister: That can later turn into ulcer can be annoying due to discomfort and breath problem it can cause. It will take 7-14 days for it to heal without doing anything. Ask your dentist to prescribe you viroxyn for faster healing.

Viroxyn is hyped to : Viroxyn is an antiseptic + anesthetic. Nothing really new. Most aphthae heal in 2 days without a prescription. A blister on the gum is usually due to injury. Herpes is very unlikely.