Categories: Health news

What are blisters?

What are blisters?

The epidermis, dermis, and subcutaneous (below the skin) fat are the three layers of skin. A blister appears as a fluid-filled sac beneath the epidermis. Depending on the injury that harmed your skin, it may be filled with clear liquid or blood.

Blisters can be both painful and itchy. When a blister becomes infected, it fills with milky-white pus. Blisters are most commonly found on the feet or hands, but they can occur elsewhere on the body.

Do I need to have a doctor look at my blister?

Blisters rarely require the attention of a healthcare provider. Blisters have no tests or diagnoses.

If your blisters were caused by a burn or frostbite, a healthcare provider may need to treat the underlying cause. You should also consult your doctor if a blister displays signs of infection, such as:

  • Pus (discharge that is yellowish or greenish).
  • The region around the blister may be hot or uncomfortable.
  • There are red streaks around the blister.

 

wisedane

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