I have a ring shaped soar on tongue. Almost look llike the shape of ringworm. But feels like a burn. Doesn't seem to be getting better. I am trying ...

Ringworm is a fungal infection. This fungus invades the surface of the skin, but cannot live on or in a mucous membrane, such as the mouth or the vagina.

Read health qna in health concern about how to treat ringworm on tongue . ... - Health Book at Healcon.com.