Blisters
What is a blister?
A blister is a bump on the skin containing fluid. Blisters are usually
circular in shape. The fluid that forms underneath the skin can be bloody
or clear.
What causes a blister?
Blisters are caused by injury, allergic reactions, or infections, which
may include the following:
- burns/scalds
- sunburns
- friction (from a shoe, for example)
- contact dermatitis
- impetigo (a contagious infection of the skin)
- viral infections (including chickenpox and herpes zoster)
The symptoms of a blister may resemble other skin conditions or medical
problems. Always consult your child's physician for a diagnosis.
First-aid for blisters:
Blisters often heal spontaneously. Treatment will vary according to the
cause. Some general guidelines for treatment may include:
- Wash the area with soap and water.
- A cold or ice pack may help reduce swelling and discomfort.
- Keep the area clean and dry - do not burst or puncture the blister.
- If the blister bursts, place an adhesive bandage or dressing on the
area to keep it clean.
- Observe the area for signs of infection such as increased warmth,
swelling, redness, drainage, pus formation, or pain. If you notice any
signs of infection, call your child's physician. Antibiotics may be
needed.
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