Behcet's Disease: Symptoms, Causes and Treatment

Written by Medicover Team and Medically Reviewed by Dr Mohammad Irfan , Rheumatologists

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1. Causes 2. Find a Doctor 3. Diagnosis 4. Treatment 5. FAQs

Behcet's disease is a rare and chronic condition that causes inflammation of the blood vessels throughout the body. Named after the Turkish dermatologist Hulusi Behcet, who first described the disease in 1937, it primarily affects young adults between the ages of 20 and 40, although it can occur at any age. Given its complex nature, understanding the symptoms, causes, and treatments of Behcet's disease is crucial for effective management.

What Are the Symptoms of Behcet's Disease

Oral and Genital Ulcers

One of the hallmark symptoms of Behcet's disease is the recurrent development of painful oral and genital ulcers. These ulcers can cause significant discomfort and can interfere with daily activities such as eating and sexual relations.

Skin Lesions

Patients with Behcet's disease often develop various types of skin lesions, including erythema nodosum, acne-like sores, and papulopustular lesions. These manifestations can occur anywhere on the body and often mimic other dermatological conditions.

Eye Inflammation

Inflammation of the eyes, known as uveitis, is another common symptom of Behcet's disease. This can lead to redness, pain, blurred vision, and, if left untreated, can result in severe complications such as blindness.

Joint Pain and Swelling

Arthritis, characterized by joint pain and swelling, is frequently observed in individuals with Behcet's disease. The knees, ankles, and wrists are commonly affected, and the symptoms can be debilitating.

Gastrointestinal Issues

Gastrointestinal manifestations, including abdominal pain, diarrhea, and gastrointestinal bleeding, are less common but can occur. These symptoms often mimic other gastrointestinal disorders, complicating the diagnosis.

Neurological Symptoms

In rare cases, Behcet's disease can affect the central nervous system, leading to neurological symptoms such as headaches, confusion, stroke, and even paralysis. These symptoms necessitate immediate medical attention.

What are the Causes of Behcet's Disease?

The exact cause of Behcet's disease remains unknown, although it is believed to result from an abnormal immune response. Genetic factors play a significant role, as the disease is more prevalent in certain ethnic groups, including those from the Mediterranean, Middle East, and East Asia.

Genetic Predisposition

Research suggests that individuals with specific genetic markers, such as HLA-B51, are at a higher risk of developing Behcet's disease. However, possessing these markers does not guarantee the onset of the disease.

Environmental Triggers

Environmental factors, such as infections and exposure to certain pathogens, may trigger the onset of Behcet's disease in genetically predisposed individuals. However, the exact mechanisms remain unclear.

When to See a Doctor for Behcet's Disease?

A rheumatologist is the primary specialist for Behcet's disease. You should seek medical attention when recurring symptoms begin to interfere with daily life, cause vision changes, or signal potential organ involvement requiring prompt evaluation and treatment.

You should see a doctor if you have:

Recurring mouth sores or genital ulcers that are painful, frequent, or slow to heal
Eye redness, blurred vision, or light sensitivity that persists or keeps returning
Unexplained joint pain, skin lesions, or swelling that disrupts your normal activities

Get medical help immediately if:

You experience sudden vision loss or significant changes in eyesight in one or both eyes
You develop severe headaches, confusion, or neurological symptoms such as difficulty speaking or moving
You notice signs of blood clots, including leg swelling, chest pain, or sudden shortness of breath

These could be signs of a serious complication, such as Behcet's Disease, which requires urgent care.

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How is Behcet's Disease Diagnosed?

Diagnosing Behcet's disease can be challenging due to its diverse range of symptoms, which often mimic other conditions. There is no specific test for the disease; hence, the diagnosis is primarily clinical, based on the presence of characteristic symptoms.

Clinical Criteria

The International Study Group for Behcet's Disease has established criteria for diagnosis, which include recurrent oral ulcers along with at least two of the following: genital ulcers, eye inflammation, skin lesions, or a positive pathergy test.

Pathergy Test

The pathergy test involves pricking the skin with a sterile needle and observing the reaction. A positive test, indicated by the formation of a red bump or pustule, supports the diagnosis of Behcet's disease.

Imaging and Laboratory Tests

Imaging studies, such as MRI and CT scans, may be used to assess the extent of organ involvement. Laboratory tests, including blood tests and inflammatory markers, can help rule out other conditions and provide additional information.

What are the Treatment Options for Behcet's Disease?

There is no cure for Behcet's disease; however, treatment aims to manage symptoms, reduce inflammation, and prevent complications. The treatment plan is often tailored to the individual based on the severity and extent of the disease.

Corticosteroids

Corticosteroids are commonly prescribed to reduce inflammation and control symptoms. They can be administered orally, topically, or via injections.

Immunosuppressive Agents

Immunosuppressive medications, such as azathioprine, cyclosporine, and methotrexate, help suppress the overactive immune response. These drugs require careful monitoring due to potential side effects.

Biologic Therapies

Biologic agents, including TNF-alpha inhibitors and interferon-alpha, have shown promise in treating severe cases of Behcet's disease. These therapies target specific components of the immune system to reduce inflammation.

Lifestyle Modifications

Adopting a healthy lifestyle, including a balanced diet, regular exercise, and stress management, can help manage symptoms and improve overall well-being.

Physical Therapy

Physical therapy may be beneficial for individuals with joint involvement, helping to maintain mobility and reduce pain.

Surgical Interventions

In cases of severe complications, such as gastrointestinal perforation or vascular aneurysms, surgical intervention may be necessary. These procedures aim to address the immediate threat and prevent further complications.

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What are the Complications of Behcet's Disease?

Behcet's disease can lead to various complications, particularly if left untreated. These complications can significantly impact the quality of life and may include:

Vision Loss

Untreated eye inflammation can result in permanent vision loss or blindness. Regular ophthalmologic evaluations are crucial for early detection and management.

Vascular Involvement

Inflammation of blood vessels can lead to severe complications such as aneurysms, thrombosis, and vascular occlusion. These conditions require prompt medical intervention.

Neurological Damage

Neurological involvement can cause long-term damage, including stroke, paralysis, and cognitive impairment. Early diagnosis and treatment are essential to mitigate these risks.

Gastrointestinal Complications

Severe gastrointestinal involvement can result in perforation, bleeding, and malabsorption, necessitating surgical intervention in some cases.

Behcet's Disease Prevention

Currently, there is no known way to prevent Behcet's disease. However, early diagnosis and prompt treatment can help manage symptoms and reduce the risk of complications. Regular follow-ups with healthcare providers and adherence to the treatment plan are essential for optimal disease management.