11 mo old has blisters on her tongue from I don't know what? How do I resolve the problem? I know how painful they can be so how do I treat it?

Supportive . Treatment . Hydrate and avoid any citrus drinks to avoid stinging , painful sensation. Puddings , jellos , milk , yogurts and ice creams should help. Blisters are usually viral in nature, matter of days to heal. Fever control and consult pediatrician if condition gets worse.
Blisters on Tongue. When children have blisters on their tongues, the cause is usually considered to be hand, foot and mouth disease. This is a viral infection that causes blisters inside the mouth on the tongue, as well as on feet and hands.