Medically reviewed by Dr. Tom Biernacki, DPM
Board-certified podiatric surgeon | Balance Foot & Ankle, Howell & Bloomfield Hills, MI
Last reviewed: May 2026
Quick answer: Covid Toes is a common foot/ankle topic that affects many patients. The 2026 evidence-based approach combines proper diagnosis, conservative-first treatment, and escalation only when needed. We treat this regularly at our Howell and Bloomfield Hills practices. Call (810) 206-1402.
When the COVID-19 pandemic began, dermatologists and podiatrists noticed a wave of patients — many of them young, healthy, and asymptomatic or mildly ill — presenting with bright red, purple, or swollen toes that looked like frostbite. The media called them ‘COVID toes.’
Years later, COVID toes remain a documented but puzzling phenomenon. Here’s what the evidence shows about what they are, who gets them, and what to do about them.
The most important clinical decision with Covid Toes isn’t which treatment to start with — it’s identifying the correct subtype. That changes everything. Call (810) 206-1402.
What Are COVID Toes?
COVID toes are chilblain-like acral lesions — red, purple, or blue discolorations on the toes (and occasionally fingers) associated with SARS-CoV-2 infection. ‘Chilblains’ (pernio) is the medical term for inflammatory skin changes caused by cold exposure or abnormal vascular response to cold — and COVID toe lesions look clinically identical.
The lesions were first reported in April 2020, primarily in children and young adults. Unlike most COVID-19 complications, COVID toes often appeared in people with mild or no respiratory symptoms — sometimes as the first or only sign of COVID infection.
What Do COVID Toes Look Like?
- Color: Bright red, progressing to purple or blue (chilblain appearance). May be patchy or diffuse across the toe.
- Location: Distal toes most commonly — the tip and sides of toes 1–5. The soles and fingers can also be affected.
- Swelling: Mild to moderate puffiness of affected toes.
- Texture: Some lesions are flat (macules/patches); others are raised bumps (papules/nodules).
- Pain/itch: Ranges from asymptomatic to painful or intensely itchy.
- Blistering: In severe cases, small vesicles or superficial ulcerations.
What Causes COVID Toes?
Despite several years of research, the exact mechanism remains debated. Leading theories:
- Type I interferon response: Current leading hypothesis. An exaggerated immune interferon-alpha response causes vascular inflammation in the digits. This theory is supported by genetic studies showing COVID toe patients have gain-of-function mutations in interferon pathway genes — similar to a hereditary chilblain disorder called Aicardi-Goutières syndrome.
- Microthrombi formation: Some early studies showed microclots in dermal blood vessels of COVID toe biopsies. However, later studies found similar findings in control patients, weakening this theory.
- Direct viral cytopathic effect: SARS-CoV-2 has been identified in endothelial cells of skin biopsies in some studies — but not consistently.
- Cold-exacerbated vascular response: COVID toes appeared disproportionately during spring 2020 lockdowns when people were less physically active, less outdoors, and wearing less footwear — possibly amplifying a cold-induced pernio response.
Interestingly, multiple studies failed to detect SARS-CoV-2 by PCR in the lesions themselves, and many patients with COVID toes had negative nasopharyngeal tests — suggesting an indirect immune mechanism rather than direct viral invasion.
COVID Toes vs. Other Toe Conditions
- Frostnip/chilblains (pernio): Clinically identical — the distinction is made by history (cold exposure vs. COVID association). Idiopathic chilblains exist without COVID.
- Vasculitis: Inflammatory blood vessel disease can cause similar discoloration and lesions — requires blood work and possible biopsy.
- Raynaud’s phenomenon: Triphasic color change (white → blue → red) triggered by cold. Usually more dynamic and responsive to temperature than COVID toes.
- Peripheral artery disease: Toe discoloration from vascular insufficiency — usually in older patients with risk factors, and associated with absent pulses.
- Purpura/petechiae: Blood vessel bleeding from clotting disorders — doesn’t blanch with pressure, unlike COVID toes.
⚠️ See a podiatrist or dermatologist if COVID toes show:
- Lesions that are worsening or not improving after 6 weeks
- Ulceration or skin breakdown over the toe
- Associated systemic symptoms: joint pain, rash elsewhere, fever
- Lesions in an older patient or one with cardiovascular risk factors — needs vascular evaluation
- Lesions that don’t correspond to typical COVID toe pattern — biopsy may be needed
Treatment for COVID Toes
Most COVID toes require no specific treatment — they self-resolve in 4–12 weeks. When management is needed:
- Cold avoidance: Warm socks, heated home environment, avoiding cold water — reduces vasospastic component
- Emollient creams: Urea-based or lanolin moisturizers for dry, cracked lesions
- Topical corticosteroids: Low-to-mid potency topical steroids can reduce the inflammatory component and speed resolution in symptomatic cases
- Topical tacrolimus: For persistent cases unresponsive to steroids
- Nifedipine (oral): A calcium channel blocker that improves digital blood flow — used for severe or prolonged cases; the same medication used for refractory chilblains
- Hydroxychloroquine: Reported in case series for severe or refractory COVID toes
Key takeaway: COVID toes are reassuring in one sense: they correlate with a strong antiviral immune response and appear most often in young, healthy patients with mild COVID. They are NOT a sign of serious COVID-19 complications.
Frequently Asked Questions
Are COVID toes contagious?
The toes themselves are not contagious, but the SARS-CoV-2 infection that triggers them may be. If you develop COVID toes, follow standard COVID precautions until you know your current infection status.
Can you get COVID toes without having COVID?
Possibly — several studies noted that many patients with COVID toes tested negative for active COVID-19 by PCR. This may reflect testing at the wrong time, false negatives, or that the immune response that causes COVID toes can be triggered by other mechanisms in susceptible individuals.
Do COVID toes leave permanent damage?
In the vast majority of cases, COVID toes resolve completely without scarring or permanent vascular damage. Rare cases of persistent Raynaud’s-like sensitivity to cold have been reported after COVID toe episodes.
Are COVID toes still occurring after the main pandemic?
Yes — dermatologists and podiatrists continue to see new cases following COVID-19 infections from later variants. The incidence appears lower with Omicron variants than with the original strain or Delta.
The Bottom Line
COVID toes are a real, well-documented phenomenon linked to SARS-CoV-2 immune response, particularly in young patients. They’re alarming in appearance but typically self-limiting, resolving within 4–12 weeks. Persistent, worsening, or systemically associated lesions warrant evaluation.
Sources
1. Blitshteyn S, Whitelaw S. Postural orthostatic tachycardia syndrome (POTS) and other autonomic disorders after COVID-19. Auton Neurosci. 2021;235:102819.
2. Baeck M, et al. Chilblain-like lesions and COVID-19. J Eur Acad Dermatol Venereol. 2021;35(4):e208-e211.
3. Freeman EE, et al. The spectrum of COVID-19–associated dermatologic manifestations. J Am Acad Dermatol. 2020;83(1):57-67.
When Shoes Aren’t Enough — Dr. Tom’s Top 9 Orthotics
About 30% of patients I see for foot pain need MORE than a great shoe — they need a structured insole. Below: my complete 2026 orthotic ranking with pros, cons, and the specific patient I’d give each one to.
What is Foot pain?
Foot pain is a common foot/ankle condition that affects mobility and quality of life. Understanding the underlying cause is the first step in successful treatment. Our podiatrists at Balance Foot & Ankle perform a hands-on biomechanical exam, review your activity history, and use diagnostic imaging when appropriate to identify the root cause—not just treat the symptom. Many patients have been told to “rest and ice” without a deeper diagnostic workup; our approach is different.
Symptoms and warning signs
Common signs of foot pain include pain that worsens with activity, morning stiffness, swelling, tenderness when palpated, and difficulty bearing weight. If you experience sudden severe pain, inability to walk, visible deformity, numbness or color change, contact our office the same day or visit urgent care—these can signal a more serious injury such as a fracture, tendon rupture, or vascular compromise. Diabetics with any foot wound should seek same-day care.
Conservative treatment options
Most cases of foot pain respond to non-surgical care: structured rest, supportive footwear changes, custom orthotics, targeted stretching and strengthening protocols, anti-inflammatory medications when medically appropriate, and in-office procedures such as ultrasound-guided injections. We also offer advanced therapies including MLS laser therapy, EPAT/shockwave, regenerative injections, and image-guided procedures. Treatment is sequenced from least invasive to most invasive, and we explain the rationale at every step.
When is surgery considered?
Surgery is reserved for cases that fail 3-6 months of well-structured conservative care, when there is structural pathology (severe deformity, complete tear, advanced arthritis), or when imaging shows damage that will not heal without intervention. Our surgeons have performed 3,000+ foot and ankle procedures and prioritize minimally-invasive techniques whenever appropriate. We discuss recovery timelines, return-to-activity milestones, and realistic outcome expectations before any procedure is scheduled.
Recovery timeline and prevention
Recovery from foot pain varies based on severity and chosen treatment path. Conservative cases often improve within 4-8 weeks with consistent adherence to the protocol. Post-procedural recovery may range from a few days (in-office procedures) to several months (reconstructive surgery). Long-term prevention involves footwear assessment, activity modification, structured strengthening, and regular check-ins with your podiatrist if you have a history of recurrence. We provide written home-exercise plans and digital follow-up support.
AAD: COVID Toes — Skin Changes and COVID-19
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Dr. Tom Biernacki, DPM is a board-certified foot & ankle surgeon (ABFAS & ABPM) at Balance Foot & Ankle Specialists in Southeast Michigan. With over a decade of clinical experience, he specializes in heel pain, bunions, diabetic foot care, sports injuries, and minimally invasive surgery. Dr. Biernacki is a member of the APMA and ACFAS, and his patient education content on MichiganFootDoctors.com and YouTube has made him one of the most-followed foot & ankle educators on YouTube.