What causes mouth blisters?

Answer by  Elizabeth1959 (87)

Mouth blisters are caused by a virus called Herpes Simplex. The blisters usually occur on the lips, cheek, chin or nose. Outbreaks can be triggered by physical or emotional stress.

Answer by  cattybratty (181)

It could be a form of cancer or herpes, or you could just be eating and drinking a lot of acidic things.

Answer by  Dogless (159)

They're called aphthous ulcers. Nobody's sure what causes them. Stress, immune deficiencies, allergies, viruses -- the usual suspects. Sometimes foods like cinnamon or chocolate may be associated with outbreaks.

Answer by  shijo (861)

Constipation, stomach ulcers, gastritis, a person who is on drugs all these may be a cause of mouth blisters. Deficiency of Vitamin B complex may also be a cause. The treatment for mouth blisters are taking B complex medicines like Riboflavin, taking cold foods ex: curd, Greens and more vegetales.