Medically Reviewed | Dr. Tom Biernacki, DPM | Board-Certified Podiatric Surgeon | Balance Foot & Ankle, Michigan
Quick Answer: Long COVID causes foot symptoms in a significant proportion of affected patients: peripheral neuropathy (burning, tingling in feet), plantar fasciitis from sudden deconditioning and weight gain during recovery, Raynaud’s-like phenomenon (cold toes, discoloration), and general musculoskeletal pain. Management addresses each specific mechanism — neuropathic symptoms, biomechanical issues, and circulation concerns respond to targeted podiatric treatment.
Foot Symptoms From Long COVID
Long COVID (Post-Acute Sequelae of SARS-CoV-2, PASC) affects multiple organ systems including the peripheral nervous system. Foot-specific symptoms reported in long COVID patients include: peripheral neuropathy (burning, tingling, numbness in feet and toes), small fiber neuropathy causing intense burning pain, Raynaud’s-like vasomotor changes (toes becoming white, blue, or red with temperature changes), plantar fasciitis from sudden deconditioning during illness and recovery, and generalized foot and ankle pain from dysautonomia-related orthostatic intolerance.
“COVID toes” — a separate acute COVID phenomenon of chilblain-like lesions with purple-red discoloration and swelling of the toes — affects a subset of patients during or shortly after acute infection. Most cases resolve within weeks without treatment.
Post-COVID Neuropathy
Small fiber neuropathy from long COVID causes intense burning, shooting, or crawling sensations in the feet, often out of proportion to objective findings. Skin punch biopsy quantifying intraepidermal nerve fiber density confirms small fiber involvement. Treatment options include: alpha-lipoic acid supplementation, low-dose naltrexone, gabapentin, and duloxetine for symptom management. Emerging evidence supports graded activity rehabilitation for improving autonomic nervous system regulation.
Biomechanical Post-COVID Foot Problems
Weight gain during COVID illness and recovery combined with sudden inactivity creates biomechanical loading increases that commonly cause new plantar fasciitis, heel pain, and metatarsalgia in previously asymptomatic patients. Treatment follows standard plantar fasciitis and overloading protocols: custom orthotics, Achilles stretching, gradual activity resumption, and appropriate footwear. These biomechanical conditions respond well to standard conservative management.
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✅ Pros / Benefits
- Biomechanical post-COVID foot problems respond well to standard conservative treatment
- Long COVID neuropathy often improves over 12-24 months as the nervous system recovers
- Graded activity rehabilitation benefits both foot pain and overall long COVID recovery
❌ Cons / Risks
- Small fiber neuropathy symptoms may be severe and persistent
- Long COVID is complex — foot symptoms are often one component of multi-system involvement requiring coordinated care
- Raynaud’s-like vasomotor changes require vascular evaluation and may need vascular medicine management
Dr. Tom Biernacki’s Recommendation
I started seeing post-COVID foot problems in significant numbers by mid-2021, and the pattern has been consistent: burning neuropathy that does not fit standard diabetic neuropathy distribution, new plantar fasciitis in patients who were previously active, and COVID toes in younger patients. The good news is that the biomechanical problems — the new plantar fasciitis from deconditioning — respond beautifully to standard treatment. The neuropathy requires more patience, but a meaningful proportion improve over 12-18 months.
— Dr. Tom Biernacki, DPM | Board-Certified Podiatric Surgeon | Balance Foot & Ankle
Frequently Asked Questions
Can COVID cause foot neuropathy?
Yes — COVID-19 causes peripheral neuropathy through several mechanisms including direct viral neural invasion, immune-mediated nerve damage, and microvascular ischemic nerve injury. Small fiber neuropathy causing burning foot pain is increasingly recognized as a long COVID manifestation. Skin punch biopsy can confirm small fiber loss.
What are COVID toes?
COVID toes are chilblain-like inflammatory lesions causing purple-red discoloration, swelling, and sometimes pain of the toes during or shortly after COVID-19 infection. They occur primarily in younger patients and children. Most cases resolve spontaneously within 4-8 weeks. They are distinct from the chronic vascular Raynaud’s-like phenomena seen in long COVID.
How long does post-COVID foot pain last?
Post-COVID biomechanical foot pain (plantar fasciitis, heel pain from deconditioning) typically resolves within 3-6 months with appropriate treatment. Post-COVID neuropathy follows the same variable course as long COVID overall — some patients recover within 6-12 months; others have more prolonged symptoms. Overall trajectory for most long COVID patients is gradual improvement over 12-24 months.
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Dr. Tom Biernacki, DPM is a double board-certified podiatrist and foot & ankle surgeon 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 reached over one million views.
- Plantar Fasciitis: Diagnosis and Conservative Management (PubMed)
- Plantar Fasciitis (APMA)
- Diagnosis and Treatment of Plantar Fasciitis (PubMed / AAFP)
- Heel Pain (APMA)
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