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 to the lip generally causes blood blisters on the lip, states Lip Source. An injury may include pinched or bitten skin. Blood pools under the injured skin causing the blood blister.