How to cure blisters under tongue. Pain?

reasons for blister include -A yeast infection (oral thrush) -Biting or scalding your tongue accidentally -Mouth ulcers (canker sores) that are usually white or yellow -Irritation that causes the papillae of your tongue to be enlarged -Medical conditions like stomatitis, leukoplakia, and cancer -Allergies and warts home remedies include -Avoid hot and spicy foods. -Try to drink only cold beverages and eat only bland, soft foods until the sore has healed. -You may also try OTC oral pain treatments. -You can rinse your mouth with warm saltwater or a mixture of warm water and baking soda. -You can ice the sore. If the pain hasnt reduced in two weeks or she develops any fever or the sore increases then it would be advisable too see a dermatologist too see if it an infection and antibiotics can be prescribed along with some mouth paints to soothe the pain