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 exposure or infection.

Jun 24, 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 sharing utensils. Many...

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...

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 prevent infection.

Dec 4, 2025 · Blisters are temporary, fluid-filled pockets on the outer layer of skin caused by friction, burns, or infection. They often heal naturally without treatment. 1 2. There are several types of...

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 barrier to …

A blister is a bubble containing fluid under the top layers of skin. Blisters are usually caused by injury, allergic reactions, or infections. The symptoms of a blister may look like other skin conditions. If you …

Sep 9, 2025 · A blister looks like a tight bubble or a small sac of soft fluid. This article walks you through home treatment steps. Learn about autoimmune blisters.

Oct 7, 2025 · If you get a blister, it's important to know how to treat it at home, so that it can heal quickly and you can avoid infection. However, there may be times when you do need to seek medical …