Blister on my tongue?

I have a small blister below my tongue and it's the 2nd one in two weeks. does anyone enjoy any ideas as to what it might be. It doesn't hurt or anything it's in recent times more annoying.Blister on my tongue?
It most likey is a canker sore or fever blister (cold sore) but those tend to be tight. If it last any longer than 2 weeks see a doctor. They tend to second 5-10 days. You can rinse your mouth often next to antiseptic mouth wash and that will promote a in good health haling process.
Canker sore produced by too much acidic food. It go away on its own, but kids who eat sour candies procure them frequently.

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