Apr 30, 2021 · A blister is a painful skin condition where fluid fills a space between layers of skin. They form when something — like too-tight shoes — repeatedly rubs against your skin.

A blister is a small pocket of body fluid (lymph, serum, plasma, blood, or pus) within the upper layers of the skin, usually caused by forceful rubbing (friction), burning, freezing, chemical …

Jun 25, 2025 · Fever blisters on your lips, mouth, or genitals are a sign of the herpes simplex virus. The fluid in these sores carries and spreads the virus through sex, or by kissing or …

May 1, 2024 · Blisters are usually minor injuries that you can treat yourself. If a blister isn't too painful, try to keep it from breaking open. Unbroken skin over a blister may provide a natural …

Jun 6, 2025 · A blister, or vesicle, is a raised portion of skin filled with fluid. You’re probably familiar with blisters if you’ve ever worn ill-fitting shoes, but they can be caused by many other...

Sep 17, 2025 · There are several types of blisters, including friction, burn, and blood blisters. Read more about the various types below. Friction blisters are primarily caused by the …

Oct 15, 2025 · If a blister breaks, wash the area with soap and water, then apply a bandage. If a blister is very large or painful, your doctor may drain it and apply an antibacterial cream to …