However, they can have other causes, especially if they often occur or do not heal. There are ways for someone with blood blisters in their mouth to relieve symptoms and promote healing.

Medically reviewed by Edmund Khoo, DDS Tongue bleeding can be alarming, especially if you’re bleeding from your mouth after ...

and blood blisters. Read more about the various types below. Friction blisters are primarily caused by the repetitive action of something rubbing against your skin. Friction can result from ...