✅ Medically reviewed by Dr. Thomas Biernacki, DPM — Board-Certified Podiatrist · Last updated April 6, 2026

Black Toenail Falling Off? – Get Expert Foot & Nail Care From a Trusted Podiatrist

A black toenail that’s lifting or falling off can be painful, alarming, and a sign of injury or infection. Our experienced foot and ankle specialists diagnose the cause and provide personalized treatment to relieve pain, prevent complications, and restore healthy nail growth.

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What Does a Black Toenail Falling Off Mean?

A black toenail typically forms when blood collects under the nail (subungual hematoma) or when the nail becomes damaged due to trauma, pressure, infection, or circulation problems. As the nail loses its attachment, it may loosen or fall off entirely.

While some cases heal on their own, others require medical attention to prevent infection, deformity, or permanent nail damage.

Black Toenail Falling Off (Causes, Home Remedies & Best Treatment)

Why is My Black Toenail Falling Off? Make 100% sure you have the most complete causes and the ABSOLUTE best treatment for your black toenail injury!

Look:

• Red & black toenail pain can be improved with a few simple treatment changes.
• We are foot doctors & we see this problem get better almost every day.
• The goal is to solve this problem without medication or surgery if at all possible.

So, let’s GO!

Causes of a Black Toenail Falling Off

Common causes include:

• Toe trauma or injury (sports, dropped objects)
• Repetitive pressure from tight shoes or long-distance walking/running
• Fungal nail infections
• Poor circulation or vascular conditions
• Diabetes-related nail changes
• Medications or underlying medical conditions

A podiatric evaluation is the best way to identify the exact cause and rule out serious issues.

Treatment, Surgery and Recovery

Conservative Treatment Options

• Nail evaluation and monitoring
• Pressure relief and shoe modifications
• Infection control (topical or oral medication)
• Pain management and wound care
• Protective nail trimming or debridement
• Medications or underlying medical conditions

Black Toenail Falling Off “What To Do” Video

Black Toenail Related 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
• Red Spot Under The Toenail
• Toenail Psoriasis

What Causes Your Toenail to Turn Black and Fall Off?

Why are my toenails turning black and falling off?

• The toenail becomes black because the underside of the toenail plate is very rich with blood vessels.
• Once the nail is disturbed and loosened, these blood vessels rupture, leading to blood pooling.
• The blood will stop eventually, but increased pain can increase due to increased pressure underneath the nail.

Left great toe black toenail with left 2nd toenail fresh bleeding.

Don’t wait for infection or permanent nail damage. Get expert care and peace of mind today.

Consider the 4 most common causes of Black Spots On The Toenails:

The Complete Black Toenails Diagnosis Guide.

Right big toenail fungus with right 2nd toe blood.

Will the Toenail Grow Back?

• In almost all cases, the toenail will grow back.
• The undersurface of the nail plate is needed to nourish it with blood, but the nail will regrow from the base of the nail.
• So if you lose the last 5 millimeters of your toenail, it will take approximately 5 months for it to grow back.
• It isn’t easy to increase the speed of regrowth.
• The most you can do to regrow your nail is to decrease the pain and swelling when it happens and protect the toe.

The occurrence of a black toenail falling off is usually due to three common causes:

1. Trauma or Injury – A stubbed toe, dropped object, or repetitive pressure from tight shoes or athletic activity can cause bleeding under the nail, turning it black and eventually causing it to detach.
2. Fungal Nail Infection – Infections can darken and thicken the nail, weaken its attachment to the nail bed, and lead to nail loss if left untreated.
3. Circulation or Health-Related Issues – Poor blood flow, diabetes, or other medical conditions can weaken the nail, make it more prone to injury, and result in discoloration or detachment.

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1. Traumatic Toenail Injury:

Symptoms:

• Severe pain and throbbing
• Obvious injury
• Black or red appearance.
• Obvious bleeding.

Home Treatment:

Follow this Complete Treatment Guide!

2. Constant Rubbing Due To Exercise:

Symptoms:

• Pain may be absent, mild, moderate, or severe.
• Gradually appears over time.
• Most common in people with new shoes starting a new exercise routine.
• Marathon training can usually cause this!
• Black or red appearance.
• It may even be loose without obvious blood.

Home Treatment:

Follow this Complete Treatment Guide!

3. Toenail Fungus Causing Separation:

Symptoms:

• Pain may range from completely absent to chronic aching pain.
• Very thick toenails.
• Yellow, green, or brown toenails.
• Thick and crumbling toenails.
• Black or red appearance.
• Very brittle and can break apart as you pick against them.

Home Treatment:

Follow this Complete Treatment Guide!

Best Toenail Fungus Products:

 

• These are our favorite products to treat toenail fungus at home.
• Keratin Granulations are very easily taken care of through moisturizing your nails with cuticle wax, oils and simply avoiding nail polish for a little while.
• It is not necessary to buy anything expensive or online; it is fine to use a product like Vaseline or any other petroleum oil in most circumstances.
• So get yourself some petroleum jelly at your corner store and apply it to your nails at night when you won’t be using your hands. In 2 weeks, you should be in great shape!
• Make sure you read the reviews and see if it is good for you!

How to fix toenail fungus:

• There are many different types of toenail damage.
• In our experience, about 90% or more is related to toenail fungus.
• The key to toenail fungus is to trim it as much as possible and file that nailed down.
• These products are not meant to replace prescription drugs or medical treatment equipment.
• If you can do that, you have to make sure you can kill fungus the rest of the way.
• The best way to do that is to soak exfoliate the affected toenail skin. So, consider foot soaks.
• At the same time, you have to apply antifungal medication such as these medications recommended here or the toenail repair pens.

Best Toenail Fungus Clippers & Files:

• This is something you have to be careful using at home, and deftly don’t use these if you have dangerous health conditions.
• These are some great value heavy-duty clippers and sets.
• The key is to cut straight across and file the nail down from the top to prevent impinging in the corners.
• It is also important to make sure all dead, dry skin is removed surrounding the foot.
• This is where you should really see your podiatrist if you have any concerns or are worried about cutting or hurting yourself.
• This is something covered, so don’t take chances with your health!

Best Antifungal Moisture Wicking Socks:

• These are some great options for moisture-wicking socks.
• We tried to focus on budget value stocks that are not too expensive.
• Sure there are better stocks out there, but these are great socks for a great price for most people.
• If you have diabetes, focus on getting yourself some diabetic socks.

Best woman’s antifungal socks:

Best men’s antifungal socks:

Recommended foot fungus products:

• It is also essential to fix your foot fungus.
• Even if you cure your toenail fungus, keep your toenails trimmed in healthy: your foot fungus can spread back into toenails.
• It’s not a far journey from skin fungus to jump onto your toenails again.
• So make sure you treat your foot fungus, as well as your toenail fungus.

Get The Best Shoes:

• You definitely want to get great shoes and sandals for your toenail fungus and foot fungus.
• Specifically, when you are in a communal shower or pool, you want to get a good pair of sandals. We compiled a great list of our recommended orthotic flip-flops.
• You also want to get new breathable shoes that are not covered in sweat and mesh around the toes.
• Specifically, good pairs of running shoes have a mesh where your toes are. This prevents your toenails from rubbing and prevents them from dreaming on the front of the foot.
• Click on the below link to see which shoes we recommend for your toenail fungus and foot fungus.

Why Michigan Patients Trust Us for Black Toenail Treatment

When a toenail turns black or starts to fall off, you want fast answers and the right treatment. Patients across Michigan trust our podiatry team because we combine accurate diagnosis, modern treatments, and compassionate care.

• Board-certified podiatrists with sports injury experience
• Personalized, non-surgical treatment plans
• Focus on long-term relief and injury prevention
• Convenient locations in Howell and Bloomfield Hills
• Trusted by runners, seniors, and active adults

Book a Consultation Now

Our board-certified podiatrists specialize in foot and ankle care.

Expert Podiatric Care You Can Trust

Dr. Tom Biernacki, DPM

Specializes in diagnosing and treating forefoot conditions such as Second Metatarsal Overload Syndrome.

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Dr. Carl Jay,
DPM

Brings extensive experience in treating ball-of-foot pain caused by structural and gait-related issues, including Second Metatarsal Overload Syndrome.

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Dr. Daria Gutkin, DPM

Provides patient-focused care for forefoot disorders like Second Metatarsal Overload Syndrome, helping patients return to daily activities with less pain.

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FAQ About Black Toenail Falling Off

Why are my toenails turning black and falling?

That’s a really common — and understandably scary — question. Toenails usually turn black and fall off because something is damaging the nail or the tissue underneath it. Here are the most likely reasons, from most common to more serious.

What causes toenails to turn black and falling?

Toenails usually turn black and fall off because the nail or the tissue underneath it has been damaged. The discoloration is often a sign of bleeding, pressure, infection, or poor blood flow. Here are the most common causes, explained simply.

Why do toenails turn black and fall off?

Toenails usually turn black and fall off because something damages the nail or the tissue underneath it. The dark color is often trapped blood, infection, or loss of blood supply. Here are the most common reasons.

Is Your Black Toenail Painful or Getting Worse?

Don’t wait for infection or permanent nail damage. Get expert care and peace of mind today.

Schedule an Appointment (810) 206-1402

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Related Treatment Guides

• Ingrown Toenail Treatment
• Toenail Fungus Laser Treatment
• Medical Pedicure

Clinical References

1. Rich P. Nail disorders: diagnosis and treatment. Med Clin North Am. 2019;103(2):405-412.
2. Seaberg DC, et al. Subungual hematoma drainage. Am Fam Physician. 1991;44(4):1231-1234.
3. Levit EK, et al. The ABC rule for clinical detection of subungual melanoma. J Am Acad Dermatol. 2000;42(2):269-274.

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