Blood blisters are similar to friction blisters, but the fluid is red, purplish, or dark in color. Learn how to treat blood blisters on your fingers, mouth, lip, and foot. It’s best to leave ...

Blood blister are similar to normal blisters, except they fill with blood instead of the clear fluid in a standard blister. This MNT Knowledge Center article explains all about blood blisters, a ...

Blood blisters form when blood vessels under the skin break, filling the pocket of skin with blood. While they often resolve without treatment, complications like infection can occur, causing ...

Medically reviewed by William Truswell, MD Blisters are temporary, fluid-filled pockets on the outer layer of skin. They are most common on the hands and feet. Common causes include repetitive rubbing ...

Blood blisters can appear in the mouth due to injury, oral herpes, stress, and oral cancer. Learn more about the causes, home remedies, prevention, and when to consult a doctor.

You should also leave small blood blisters intact, too. Otherwise, you risk getting bacteria in your bloodstream. Cover it up so the swelling goes down, then try to fix the problem that caused it.

Most blisters (fluid-filled bubbles under the skin) heal on their own and aren’t cause for concern. But if your blister becomes infected, ignoring it can lead to potentially serious ...