Bullous pemphigoid
Bullous pemphigoid is a skin disorder characterized by large blisters .
Causes
Bullous pemphigoid is an autoimmune disorder which occurs when the body's immune system attacks and destroys healthy body tissue by mistake.
Autoimmune disorder
An autoimmune disorder occurs when the body's immune system attacks and destroys healthy body tissue by mistake. There are more than 80 types of aut...
This disorder usually occurs in older persons and is rare in young people. Symptoms come and go. In most patients, the condition goes away within 5 years.
Symptoms
Some people have no symptoms. Others may have mild redness, itching and irritation.
In many cases, they are many blisters, called bullae . Blisters are usually located on the arms, legs, or middle of the body. The blisters may break open and form ulcers or open sores. Some people also develop blisters in the mouth.
Bullae
Bullae are large blisters on the skin that are filled with clear fluid. Many different skin conditions can cause bullae to form. They can be caused...
Ulcers
An ulcer is a crater-like sore on the skin or mucous membrane. Ulcers form when the top layers of skin or tissue have been removed. They can occur ...
Other symptoms may include:
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Itching
Itching
Itching is a tingling or irritation of the skin that makes you want to scratch the area. Itching may occur all over the body or only in one location...
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Rashes
that resemble
hives
Rashes
Rashes involve changes in the color, feeling or texture of your skin.
Hives
Hives are raised, often itchy, red bumps (welts) on the surface of the skin. They are usually an allergic reaction to food or medicine. They can al...
Exams and Tests
Tests that may be done to help diagnose this condition include:
- Blood tests
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Skin biopsy
of the blister or the area next to it
Skin biopsy
A skin lesion biopsy is when a small amount of skin is removed so it can be examined. The skin is tested to look for skin conditions or diseases. A...
Treatment
Powerful anti-inflammatory medicines called corticosteroids may be prescribed. They may be taken by mouth or applied to the skin. Medicines to help suppress the immune system may be prescribed.
Antibiotics in the tetracycline family may be useful. Niacin (a B complex vitamin) is sometimes given along with tetracycline.
Niacin
Niacin is a type of B vitamin. It is water-soluble, which means it is not stored in the body. Water-soluble vitamins dissolve in water. Leftover a...
Outlook (Prognosis)
Bullous pemphigoid usually responds well to treatment. Most patients stop taking medicine after several years. The disease sometimes returns after treatment is stopped.
Possible Complications
Skin infection is the most common complication.
When to Contact a Medical Professional
Call your doctor for an appointment if you have:
- Unexplained blisters on your skin
- An itchy rash that continues despite home treatment
References
Bernard P, Borradori L. Pemphigoid group. In: Bolognia JL, Jorizzo JL, Schaffer JV, eds. Dermatology. 3rd ed. Philadelphia, PA: Elsevier Saunders; 2012:chap 30.
Scott M, Werth VP. Bullous pemphigoid. In: Lebwohl MG, Heymann WR, Berth-Jones J, Coulson I, eds.
Treatment of Skin Disease: Comprehensive Therapeutic Strategies.
4th ed. Philadelphia, PA: Elsevier Saunders; 2014:chap 32.
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Bullous pemphigoid, close-up of tense blisters - illustration
Bullous pemphigoid is a blistering skin condition that most often affects the elderly. This is a close-up picture of the typical blisters. Large blisters, like these, are called bullae.
Bullous pemphigoid, close-up of tense blisters
illustration
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Bullous pemphigoid, close-up of tense blisters - illustration
Bullous pemphigoid is a blistering skin condition that most often affects the elderly. This is a close-up picture of the typical blisters. Large blisters, like these, are called bullae.
Bullous pemphigoid, close-up of tense blisters
illustration
Review Date: 4/14/2015
Reviewed By: Kevin Berman, MD, PhD, Atlanta Center for Dermatologic Disease, Atlanta, GA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.