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A toenail falling off after running, hiking, or a stubbed toe is usually a delayed reaction to bleeding under the nail. The new nail underneath is already forming — the old one is the casualty.
You’ve come to the right podiatry team. Dr. Tom Biernacki, DPM, FACFAS — board-certified foot & ankle surgeon with 3,000+ surgeries — explains exactly what a toenail falling off means and what works. Call (810) 206-1402 for same-day appointment at Howell or Bloomfield Hills.
Quick answer: Why Is My Toenail Falling Off is a common nail condition with multiple causes including trauma, fungal infection, biomechanical pressure, and underlying medical conditions. Treatment depends on the cause: trauma resolves as the nail grows out (6-12 months), fungus needs antifungal therapy, and biomechanical issues need shoe and orthotic correction. Call (810) 206-1402.
✅ Medically reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatrist · Last updated April 6, 2026
Why Does My Toenail Keep Falling Off [Causes & Best Treatment!]
Why Does My Toenail Keep Falling Off? We go over the TOP 4 reasons why toenails keep falling off & the 100% BEST treatments!
Why do toenails fall off: Causes & treatment video:
Why did my toenail fall off causes:
Why Does My Toenail Keep Falling Off Overview:
Most Common Causes of Toenail Falling Off:
1) Traumatic Injury.
The severe trauma of stubbing the big toe or dropping something onto it.
Common Scenario:
- I was working at my house, and I happened to drop a box or bowling ball on my toe.
- It really hurt, and I instantly knew something was wrong!
- I thought the toe might be broken, it became swollen, and the nail started to turn red and black.
- As the swelling went down a few days later, the nail was a little bit loose.
- Will my nail grows back, and what should I do to fix this problem?
The Symptoms:
- Extreme pain.
- Blood under the nail.
- Discolored nail.
- Loose nail.
The Solution:
- The nail will usually grow back.
- Please find out how long this will take and how to get it to grow back!
The Complete Toenail Falling Off Treatment Guide!
2) Running or Exercising.
The constant light friction of new exercise or heavy running can cause a loose toenail. Over time this friction and rubbing will cause the nail to come loose. No pain is necessary! Don’t worry. Everything will be fine if you follow this guide!
Common Scenario:
- I started jogging/exercising/working again after a long break from heavy activity.
- I bought some new comfortable shoes that just needed to be broken in.
- There was a little bit of discomfort but no real pain.
- My toenail then started getting loose and coming off. I’m starting to get scared!
- As the swelling went down a few days later, the nail was a little bit loose.
- Will my nail grows back, and what should I do to fix this problem?
The Symptoms:
- Little to no toenail pain.
- Possible blood under the nail.
- Loose nail.
The Solution:
- The nail will usually grow back.
- Learn how to get the nail back as soon as possible and how to do this without a huge amount of pain!
- Please find out how long this will take and how to get it to grow back!
The Complete Toenail Falling Off Treatment Guide!
3) Toenail Fungus:
Common Scenario:
- My toenails have started getting thick over the years.
- They are green and yellow.
- I have not been exercising heavily.
- I have not recently injured my toenails.
- I am not the healthiest person in the world and could get better.
- I am potentially a smoker or have diabetes.
The Symptoms:
- Little to no toenail pain.
- Brown, green, or yellow nails.
- Crumbling nail debris.
- Flaky-looking nails.
- Loose nail.
The Solution:
- The nail will not get better by itself.
- Treatment will need to be achieved to get your nails better.
- Please find out how long this will take and how to get it to grow back!
The Complete Toenail Fungus Treatment Guide!
Why Is My Toenail Falling Off Related Nail Problems:
See if any of these other problems apply to your situation!
- Toenail Fungus
- Very Long Toenails
- Ingrown Toenail
- Toenail Falling Off
- Black Streaks Under The Nails
- White Patches On Toenails
- Black Spot Under The Toenail
- Red Spot Under The Toenail
- Toenail Coming Off The Nail Bed
- Toenail Psoriasis
Best Toenail Fungus Products:
Foot and Ankle Surgery in Michigan: When Surgery is the Right Choice
Related Treatment Guides
Michigan patients considering foot or ankle surgery benefit from a consultation with a fellowship-trained podiatric surgeon who can provide an honest assessment of whether surgery will produce better outcomes than continued conservative management. At Balance Foot & Ankle, surgical recommendations are made only after conservative treatment has been appropriately trialed — with the exception of conditions where early surgical intervention produces clearly superior outcomes (acute Achilles tendon rupture, Lisfranc fracture-dislocation, certain tibial fractures). For conditions like bunions, hammertoes, ankle instability, and Haglund’s deformity, surgical correction is recommended when the structural problem has progressed beyond what conservative management can address and when the patient’s functional goals are not being met. Michigan patients with a foot or ankle condition that has not responded to conservative care can call Balance Foot & Ankle at (810) 206-1402 to schedule a surgical consultation at our Howell or Bloomfield Hills office.
Wondering Why Your Toenail Is Falling Off?
Toenail loss has many causes — from trauma to fungus to underlying conditions. Our podiatrists identify the reason and ensure safe management and healthy regrowth.
📞 Or call us directly: (810) 206-1402
Clinical References
- Rich P. Nail disorders: diagnosis and treatment. Med Clin North Am. 2019;103(2):405-412.
- Rigopoulos D, et al. Treatment of nail disorders. Drugs. 2018;78(17):1741-1769.
- Haneke E. Nail surgery. Clin Dermatol. 2013;31(5):516-525.
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When to See a Podiatrist
If foot or ankle pain has been bothering you for more than a few weeks, home care alone may not be enough. Balance Foot & Ankle offers same-week appointments at our Howell and Bloomfield Hills clinics — no referral needed in most cases. Bring your current shoes and a short list of symptoms and we’ll build you a treatment plan in one visit.
Call Balance Foot & Ankle: (810) 206-1402 · Book online · Offices in Howell & Bloomfield Hills
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Dr. Tom Biernacki, DPM is a board-certified podiatrist + Amazon Associate. Picks shown are products he prescribes to patients at Balance Foot & Ankle Specialists. We earn a commission on qualifying purchases at no extra cost to you. All products independently tested + reviewed for 30+ days minimum. Last verified: April 28, 2026.
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In-Office Treatment at Balance Foot & Ankle
If home treatment isn’t providing relief for your why is my toenail falling off, our podiatry team at Balance Foot & Ankle can help with same-day evaluations and advanced in-office care.
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More on toenails lifting or falling off:
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.