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Blister - Blister symptom, treatment, causes


What is Blister ?

Blister is a collection of fluid under the surface layers of the skin. Blisters are caused by injury to the skin (fo example, a heel rubbed by an ill- fitting shoe), and by skin inflammation due to infection, burns, sunburn and other skin disorders. Blisters caused by skin or internal infections usually have specific diagnostic features, such as those of CHICKENPOX, HERPES SIMPLEX and SHINGLES. Small blood vessels in the base of a blister may rupture, making the blister fluid bloodstained (blood blister). In general, blisters should not be pricked because of the risk of introducing infection to underlying tissues. If blisters are large, troublesome. multiple, or appear without explanation, consult your doctor.

A blister or bulla is a defense mechanism of the human body. Blisters are quite common for anyone who regularly participates in sports. Blisters typically develop when their is friction and irritation to the surface layer of the skin and cause it to seperate from the second layer. If a blister is associated with sub-dermal bleeding, it may partially fill with blood, forming a blood blister. You get blisters most often on the soles of the feet and palms of the hands The hands and feet often rub against shoes, socks or sports equipment and create friction and these moist, warm conditions are perfect for blisters. The first sign of blisters will be redness over the skin, possibly at the back of the heel, the instep or toes. Blisters can occur from heat, frostbite, chemical injury, or friction. Unless infection occurs, blisters usually heal quickly. Blisters are a common problem with athletes wearing in new shoes as well as athletes or walkers who take part in exceptionally long events such as marathons or long hill walks. Blisters on the skin are called bullae. Bullae on the pleura (the membrane covering the lung) are also called blebs. Blistering also occurs as part of foodborne illness with Vibrio vulnificus ( seafood ). The best treatment is prevention:  keep the substrate clean and dry, spot clean feces and urates as soon as you see them, and do thorough substrate changes regularly. One or two blisters can be treated safely at home.

Causes of Blister

The common causes and risk factor's of Blister include the following:

  • Blisters typically develop when their is friction and irritation to the surface layer of the skin and cause it to seperate from the second layer.
  • Drug allergy.
  • Bone marrow transplant reaction.
  • Viral infections (including chickenpox and herpes zoster).
  • Sunburns.
  • Eczema (also known as atopic dermatitis).
  • Blisters may develop from a disease that causes your body to attack your own skin ( autoimmune disease ).

Symptoms of Blister

Some sign and symptoms related to Blister are as follows:

  • A burn or a sunburn.
  • Blisters that began after you were exposed to cold temperatures.
  • Itchy blisters.
  • Blisters in or around your mouth.
  • Painful blisters.
  • A raised and tender area of skin filled with clear fluid.

Treatment of Blister

Here is list of the methods to treat Blister:

  • Blisters caused by friction or trauma can be treated by cleansing with mild soap, and covering the area with a sterile bandage.
  • A cold or ice pack may help reduce swelling and discomfort.
  • Dressings on burst blisters.
  • A prescription or over-the-counter antiseptic ointment may be recommended to clean the blistered area.
  • Antibiotics may be needed.
  • You can also apply petroleum jelly or talcum power before exercise to reduce friction.
  • Apply an antibiotic ointment, such as polymixin B or bacitracin, if you are not allergic to it. The ointment will prevent the bandage from sticking to the blister and may help prevent infection.

Blister - Blister symptom, treatment, causes

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