what causes small blister on lips
Blood Blister on Lip. Blister on lip is also known as cold sores. It is a viral infection that causes small blisters that are filled with fluid to occur on the lips, around the mouth and on the edge of nostrils. It causes pain, itching and burning sensation before bursting to form crusting.
Small, Giant, Flat or Raised Blood blisters in mouth. Blood blisters vary in size depending on the causes. Severe injuries in mouth may result in a giant blood blisters. Underlying diseases and conditions usually result in the formation of small blood blisters or even tiny blood blisters.