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Medically Reviewed By:

2026-05-01

Buerger’s Disease

Also Known As: Thromboangiitis Obliterans; TAO; thromboangiitis obliterans (TAO)
Buerger’s disease — formally known as thromboangiitis obliterans (TAO) — is a non-atherosclerotic, inflammatory occlusive disease of the small and medium arteries and veins of the hands and feet. It is strongly and almost exclusively associated with tobacco use and disproportionately affects young men who are heavy smokers. Unlike atherosclerosis, Buerger’s disease is potentially reversible — but only if tobacco use is completely and permanently stopped.


Buerger’s disease is uncommon, but it is important to understand if you smoke and have been having pain, tingling, or wounds on your hands or feet. It is an inflammatory condition of the blood vessels that is almost exclusively seen in people who use tobacco — and the single most effective treatment is stopping smoking completely. Vascular surgeons can help manage its effects, but the most powerful step you can take is quitting.

What Causes Buerger’s Disease?

The exact cause remains incompletely understood, but tobacco — in all forms including cigarettes, smokeless tobacco, and marijuana — is the unambiguous and necessary driver. Tobacco components trigger an inflammatory response within the vessel wall leading to segmental, occlusive thrombosis of small arteries and veins. The inflammatory infiltrate involves the vessel wall without the lipid deposition seen in atherosclerosis, confirming this is a distinctly different disease process.

Buerger’s Disease Symptoms

Buerger’s disease begins in the distal extremities and progresses proximally. Initial symptoms include migratory superficial thrombophlebitis — recurrent painful, red, cord-like inflamed veins — in the feet and legs; Raynaud’s phenomenon (blanching, blue discoloration, and redness of the fingers or toes with temperature changes); progressive digital ischemia with painful, discolored fingers and toes; non-healing ulcerations of the fingertips or toes; and in severe cases, digital or forefoot gangrene.

Buerger’s Disease Diagnosis

Diagnosis is primarily clinical and requires: onset in a patient under 50, current or recent tobacco use, distal extremity involvement, absence of atherosclerosis risk factors other than tobacco, absence of an autoimmune source, and confirmatory angiographic findings showing the characteristic ‘corkscrew’ collateral vessels around areas of occlusion. Laboratory testing excludes autoimmune and hypercoagulable conditions.

Buerger’s Disease Treatment in Sarasota & Bradenton

The only effective treatment for Buerger’s disease is complete and permanent cessation of all tobacco products. Patients who stop smoking see arrest of disease progression and often improvement of symptoms; those who continue to smoke experience relentless progression to amputation. Pharmacological support for smoking cessation — including varenicline (Chantix) and bupropion — is strongly encouraged and has demonstrated benefit in improving abstinence rates.

Adjunctive treatment includes wound care for digital ulcers, pain management, and protection from cold and trauma. Surgical bypass is rarely feasible given the diffuse involvement of small distal vessels, but wound care intervention and amputation-sparing limb preservation measures are critical components of management.

SYMPTOMS

  • Pain and cramping in the hands, feet, fingers, or toes
  • Cold, clammy extremities with color changes (white, blue, red — Raynaud-like)
  • Non-healing finger or toe wounds (digital ulcers)
  • Superficial thrombophlebitis (tender, cord-like veins just beneath the skin)
  • Severe rest pain in the fingers and toes

DIAGNOSIS METHODS

  • Clinical Examination and Tobacco History +

    Diagnosis based on clinical criteria: age <45, active tobacco use, distal extremity ischemia, and exclusion of other conditions. No single definitive test.

  • Arteriography (Angiography) +

    Characteristic 'corkscrew' collateral pattern in the arteries of the hands and feet — pathognomonic for Buerger's disease.

  • Allen Test +

    Simple clinical test assessing palmar arch circulation in the hand.

  • Ankle-Brachial Index (ABI) +

    Quantifies arterial insufficiency in the lower extremities.

TREATMENTS

RELATED CONDITIONS

FREQUENTLY ASKED QUESTIONS

  • If I quit smoking, will Buerger's disease go away? +

    Complete tobacco cessation arrests disease progression and in many patients allows existing ischemia to stabilize or improve through development of collateral circulation. However, any tissue already lost will not regenerate. The earlier smoking cessation occurs, the better the outcome. Even partial reduction in smoking does not halt the disease — complete cessation is required.

  • Can Buerger's disease affect young people? +

    Yes — Buerger's disease primarily affects young to middle-aged adults, typically between 20–40 years old, making it unusual among vascular diseases that predominantly affect older patients. Any young person with peripheral ischemia, non-healing digital wounds, or migratory phlebitis should be evaluated for Buerger's disease if they have a tobacco history.

  • Is Buerger's disease the same as PAD? +

    No. PAD is caused by atherosclerosis and typically affects older patients with classic cardiovascular risk factors. Buerger's disease is an inflammatory condition affecting small vessels in young smokers. Both cause leg and foot ischemia, but the underlying mechanisms, patient profiles, and management approaches are distinct.