15855 Bullous Pemphigoid

Overview

Bullous pemphigoid is a rare skin condition in which your immune system mistakenly attacks the layer of skin just below the outer surface. This attack causes large, tight, fluid-filled blisters to form. It is not contagious, and it cannot be passed from person to person.

No, bullous pemphigoid is rare. It is the most common blistering condition in older adults, but it still affects only a small number of people overall.

It mostly affects adults over the age of 60, but it can occasionally develop in younger adults and, very rarely, in children.

Symptoms

Common symptoms

• Large, tight blisters that often appear on the arms, legs, belly, or groin
• Intense itching, sometimes before the blisters appear
• Red, inflamed skin around the blisters
• Blisters that break open and leave raw, weeping areas
• Mouth sores or blisters inside the mouth, though this is less common

Symptoms in children

• In children, bullous pemphigoid is very rare, but it can cause the same types of blisters on the skin.
• A child may be fussy, have trouble sleeping due to itching, or show signs of skin infection.

Symptoms in older adults

• Blisters may be more widespread and heal more slowly in older adults.
• Older adults may have a higher risk of skin infections because the skin is thinner and less able to protect itself.
• Itching can be severe, and near the blisters the skin may look very red and swollen.

Causes

Main causes

• The exact cause is not fully known, but bullous pemphigoid happens when the immune system mistakenly attacks proteins that hold the skin together.
• It is not caused by an infection and cannot be caught from another person.
• It is not caused by poor hygiene or anything you have done.

Risk factors

• Being over the age of 60
• Having another autoimmune condition, such as psoriasis or certain other immune disorders
• Taking certain prescription medicines for other health conditions (always discuss any concerns with your doctor)
• Having certain neurological conditions, such as Parkinson’s disease or dementia, though the link is not fully understood

When to see a doctor

See a doctor urgently if:

• If blisters suddenly spread or multiply very quickly
• If blisters become painful, ooze pus, or look infected
• If you develop blisters in your mouth, eyes, or genitals
• If you have a fever or feel very unwell

Book a routine appointment if:

• If you have an unexplained rash, itching, or blisters that do not go away within a few days
• If you have been diagnosed with bullous pemphigoid and need a treatment review

Diagnosis

A doctor will look at your skin and ask about your symptoms. Because bullous pemphigoid can look like other skin problems, the doctor will often need to do a skin biopsy and sometimes blood tests to confirm the diagnosis.

Tests that may be done

• Skin biopsy: A small piece of skin is taken, usually after numbing the area, and examined under a microscope.
• Direct immunofluorescence: A special test on a skin sample that checks for antibodies in the skin.
• Blood tests: These look for specific antibodies in your blood that point to bullous pemphigoid.

What to expect at your appointment

Your doctor may refer you to a skin specialist (dermatologist). The skin biopsy is quick and done with a local anesthetic, so you will feel little pain. Results may take one to two weeks. Once the diagnosis is confirmed, your healthcare team will talk with you about treatment options.

Treatment

Treatment for bullous pemphigoid aims to relieve itching, stop new blisters from forming, and prevent infection. Most people need medicine to calm the immune system, and many respond well within a few months. Treatment can often be reduced gradually over time, but some people need ongoing care.

Self-care at home

• Keep blisters clean and dry. Gently wash with mild soap and water and pat the skin dry.
• Use cool compresses to soothe itching, but avoid scratching.
• Wear loose, soft clothing (like cotton) to reduce friction on the skin.
• If a blister breaks, clean it with plain water and cover it loosely with a non-stick dressing.
• Do not pick at blisters or break them on your own, as this can lead to infection.

Medical treatments

Your healthcare team may prescribe medicines to reduce inflammation and calm the immune system. These can include steroid creams or ointments applied to the skin, oral anti-inflammatory medicines (called corticosteroids), or other immune-modulating drugs. In severe cases, treatment may be given as an infusion (drip) or injection in a hospital clinic. Always use medicines exactly as your doctor prescribes, and do not stop them suddenly without advice.

When is surgery considered?

Surgery is not used to treat bullous pemphigoid. In rare cases, a small operation may be needed if a blister becomes infected and needs to be drained, but this is not a routine part of treatment.

Living with this condition

Living with bullous pemphigoid means paying attention to your skin every day. You will need to be gentle with your skin, avoid scratching, and keep an eye on blisters for signs of infection. Many people find it helpful to keep a diary of their symptoms and to bring it to doctor visits.

Lifestyle tips

• Establish a gentle skin care routine with mild, fragrance-free cleansers and moisturizers.
• Protect your skin from cuts and scrapes, which can trigger blisters.
• Choose soft, breathable fabrics and avoid wool or rough clothing next to the skin.
• Keep your home cool to reduce sweating, which can irritate blisters.

Diet and exercise

Eat a balanced diet with enough protein to help your skin repair. Gentle exercise, like walking or stretches, can help you stay active without putting too much stress on your skin. Always rinse and dry your skin well after swimming or exercising.

Mental health and emotional wellbeing

Having a visible skin condition can be emotionally difficult. You may feel anxious, embarrassed, or low about how it affects your appearance or daily life. These feelings are normal, and talking to your healthcare team, a counselor, or a skin condition support group can help.

Prevention

Currently, there is no known way to prevent bullous pemphigoid because it is an autoimmune condition. You cannot lower your risk by changing your diet or lifestyle. The focus is on early detection and good treatment.

Vaccines

There is no vaccine that prevents bullous pemphigoid. However, keeping your general vaccinations up to date, such as flu and pneumonia vaccines, can help avoid infections, which is especially important if you are taking medication that affects your immune system. Talk to your doctor about what is right for you.

Screening programmes

There is no routine screening test for bullous pemphigoid. Diagnosis is based on symptoms and tests when the condition is suspected.

Complications

If left untreated

• Skin infections, which can become serious or spread to the bloodstream
• Pain and discomfort from large or numerous blisters
• Scarring or changes in skin color after blisters heal
• Difficulty eating or drinking if blisters form in the mouth
• In rare cases, severe complications like sepsis (a life-threatening infection of the bloodstream)

Long-term outlook

With proper treatment, most people with bullous pemphigoid see a major improvement. The condition can be long-term, but it often goes into remission, sometimes even allowing treatment to be stopped. It is important to work closely with your healthcare team, follow your treatment plan, and tell them about any side effects. Many people live full, active lives after a bullous pemphigoid diagnosis.

Find support

External links open third-party websites. Ruqelo Health is not responsible for external content. Listing an organisation does not imply endorsement.