What are clear blisters in the mouth?

Answer:

If they are sore they are mouth uclers or canker sores. It normally hurts to eat, and they can be caused by stress, coffee, biting your mouth etc. They will go away by themselves in around 4-14 days. There is gel and mouthwash you can buy to lessen the pain.

First answer by AislinnD. Last edit by AislinnD. Contributor trust: 4 [recommend contributor recommended]. Question popularity: 1 [recommend question].