I have what seems to be a canker sore under my tongue and its hurting bad more each day, please tell me what can i do to ease the pain/promote healing?

See a dentist: Canker sores appear in the mouth area (tongue, gums, lip) and are small, shallow ulcers that make talking and eating uncomfortable they are gray in color and have a distinct edge. The sores will usually heal within 10 to 14 days, without treatment. There are special rinses that contain anesthetic solutions that can help with the pain. Avoid spicy and acidic food. Avoid trauma to the area soft diet.

Try this...: Take a pinch of salt, and apply it directly on the apthous ulcer (if it is readily accessible, like on the gums, lips, tongue, etc. Don't do this if it is on the back of the throat). Leave it on 1-2 minutes (more if you can) and then rinse out the mouth several times with water. Repeat ad lib. Don't swallow the salt or saltwater. Get to a doctor if no relief with this method. It needs to be dx'd

Canker sore: Your canker sore will heal in 7-10 days. Avoid hot and spicy foods. OTC remedies will make the area feel better while it heals. If it does to heal then see a dentist for evaluation. If you are getting them frequently your dentist can help