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  1. en.wikipedia.org › wiki › BlisterBlister - Wikipedia

    Heat, cold, electricity, chemicals, friction, radiation. 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.

  2. en.wikipedia.org › wiki › Cold_soreCold sore - Wikipedia

    Frequency. 2.5 per 1,000 affected per year [1] A cold sore (also known as a fever blister, oral herpes, and herpes labialis) is a type of herpes infection caused by the herpes simplex virus that affects primarily the lip. [1] Symptoms typically include a burning pain followed by small blisters or sores. [1]

    • fever blister, herpes labialis, oral herpes, orolabial herpes
  3. 30 apr 2021 · Overview. What are blisters? Your skin consists of three layers: the epidermis, the dermis and subcutaneous (below the skin) fat. A blister forms under the epidermis as a fluid-filled sac. Typically, it may be filled with clear liquid or blood, depending on the injury that damaged your skin. Blisters may be painful or itchy.

  4. 21 mar 2023 · Daniel Lozano Gonzalez/Getty Images. Blisters (vesicles) are raised parts of skin filled with fluid, often caused by ill-fitting shoes. Most are annoying and painful but will heal without...

    • Mary Ellen Ellis
  5. 19 gen 2018 · A blister is a pocket of fluid between the upper layers of skin. The most common causes are friction, freezing, burning, infection, and chemical burns. Blisters are also a symptom of some...