Commute 45 to 59 min. 7.20%. Commute greater than 60 min.
6. This condition causes blood blisters to form on the inner cheek, gums, tongue and/or the roof of the mouth. It is caused by the herpes simplex virus 1 and symptoms, like pain, a burning sensation, fatigue and fever, will be felt.
Injury: Apparently, injury is the usual cause of a blood blister in mouth. Mouth trauma usually involves pinching, impact or rubbing. However, they may also result from burns and frostbites. The bottom-line is, the injury damages the tissue beneath the skin without breaking the skin.