Rheumatology
Behçet’s Disease in the Middle East: When Recurrent Mouth Ulcers May Mean More
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Recurrent mouth ulcers are common and usually harmless. If they repeatedly occur alongside genital ulcers, eye inflammation, unusual skin lesions, joint symptoms, or blood clots, doctors may consider Behçet’s disease. It occurs worldwide but is more prevalent in populations originating from the Mediterranean, Middle East, Turkey, Iran and parts of Asia along the historic Silk Road. Ancestry is useful clinical context, never a diagnosis.1
What is Behçet’s disease?
It is a chronic inflammatory disease that can affect blood vessels of different sizes (variable-vessel vasculitis). It can involve the mouth and genital area, eyes, skin, joints, veins and arteries, nervous system, and gastrointestinal tract. Symptoms often flare, resolve, and recur.1
Why is it relevant in the Middle East?
Its geographic distribution makes it particularly important to consider in patients of Middle Eastern or Mediterranean background, though it remains relatively uncommon in absolute terms and occurs in any population. Familial Mediterranean fever (FMF) is another regionally relevant inflammatory disease, but it is a separate condition. In Dubai's diverse population, symptoms, ancestry and family history together help guide evaluation.
Recurrent mouth ulcers and other clues
Mouth ulcers alone usually do not indicate Behçet’s. Recurrent painful genital ulcers can leave scars. Eye disease can include uveitis or retinal vasculitis; new redness or pain, light sensitivity, blurred or reduced vision need prompt eye assessment. Skin findings include acne-like inflammatory lesions or tender red nodules. Episodic arthritis often affects knees or ankles and is generally not the progressive erosive arthritis of rheumatoid arthritis.
Blood vessels and other organs
Behçet’s can involve both veins and arteries. Venous thrombosis, arterial inflammation and aneurysms can occur. In an appropriate clinical setting, vessel inflammation is central to thrombosis and treatment decisions require consultant assessment; patients should not stop standard clot treatment on their own. Neurological involvement and intestinal inflammation are less common. Abdominal pain, diarrhea, bleeding or intestinal ulcers require assessment for alternatives such as inflammatory bowel disease, infection and medication effects.2
How is it diagnosed?
No single blood test confirms or excludes Behçet’s. ESR and CRP are nonspecific and may be normal. HLA-B51 is an associated genetic marker, not a stand-alone diagnostic test. The symptom pattern over time, clinical examination, ophthalmology assessment when needed, and excluding mimics matter more. Manifestations may appear months or years apart; a dated record or photographs of lesions can help if signs have resolved by the appointment. Classification criteria should not be treated as a definitive clinical diagnostic test.1
Treatment
Treatment is tailored to organs involved and severity. Oral and skin disease or arthritis may respond to local therapies and colchicine; other options include apremilast, corticosteroids, immunosuppressants or biologics according to the presentation. Sight-, organ- or life-threatening inflammation often needs prompt coordinated consultant treatment; the EULAR 2025 update supports monoclonal anti-TNF treatment early in selected major-organ disease. One medication does not work for all manifestations, and corticosteroids alone do not suffice for serious eye disease. The aim is relief of symptoms and prevention of irreversible damage.3,2
When to seek assessment
Recurrent ulcers merit evaluation when associated with genital ulcers, red or painful eyes or visual changes, inflammatory skin lesions, swollen joints, unexplained thrombosis, neurological symptoms or persistent inflammatory gastrointestinal symptoms. Sudden visual loss, significant neurological symptoms, chest pain, shortness of breath or possible blood clot require urgent medical assessment. For a non-urgent review, you can book a rheumatology consultation in Dubai Healthcare City.
A Middle Eastern perspective
Behçet’s and FMF illustrate how background affects the probability of certain diagnoses, not whether someone definitely has disease. In a multicultural clinic, careful history across episodes and assessment of the involved organs is crucial. Serious eye, vascular, neurological or intestinal manifestations require prompt care.
Frequently Asked Questions
Is Behçet’s disease common in the Middle East?
It is more prevalent in some regional populations, yet uncommon overall; it also occurs elsewhere.
Do recurrent mouth ulcers mean I have Behçet’s disease?
Usually no; accompanying genital, eye, skin, joint or vascular signs raise suspicion.
Is there a confirming blood test?
No; diagnosis relies on clinical assessment and excluding mimics.
What does HLA-B51 mean?
It is associated with susceptibility, but is neither necessary nor sufficient to diagnose the condition.
Can Behçet’s disease affect vision?
Yes, uveitis or retinal vasculitis may threaten sight; new eye pain, redness or visual changes require prompt assessment.
Can Behçet’s disease cause blood clots?
Yes, often associated with vessel inflammation; evaluation and treatment should be tailored by consultants.
Does Behçet’s disease cause arthritis?
It can cause episodic pain and swelling, often in the knees or ankles; this is usually not rheumatoid arthritis's typical erosive pattern.
Is Behçet’s disease hereditary?
There is a genetic contribution without a simple parent-to-child inheritance pattern.
Is Behçet’s disease contagious?
No.
Can Behçet’s disease be cured?
There is no simple cure, but disease activity can often be controlled; its course and management vary.
Is Behçet’s disease the same as FMF?
No. FMF commonly causes recurrent fever and serosal inflammatory attacks; Behçet’s features recurrent ulcers and possible eye, skin or vascular inflammation.
When should I see a rheumatologist?
Recurrent ulcers combined with genital, eye, skin, joint, vascular or other unexplained inflammatory findings merit assessment.
This article provides general educational information and is not a substitute for an individualized medical assessment, diagnosis, or treatment plan.
Clinical references
Sources consulted while preparing this article. Links open the original guideline or publication.
- 1.Behçet’s disease: epidemiology, clinical manifestations, and diagnosisExpert Review of Clinical Immunology · 2017↑ back to text
- 2.2018 update of the EULAR recommendations for the management of Behçet’s syndromeAnnals of the Rheumatic Diseases · 2018↑ back to text
- 3.EULAR recommendations for the management of Behçet’s syndrome: 2025 updateAnnals of the Rheumatic Diseases · 2026 · doi:10.1016/j.ard.2026.02.009↑ back to text
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