⚡ Quick Answer: What Causes a Red Spot Under the Toenail?
A red spot under a toenail is most often a subungual hematoma (blood blister from trauma) or a splinter hemorrhage. A persistent or painless dark-red/brown streak should be evaluated promptly to rule out subungual melanoma.
Red Spot Under Toenail [Causes, Home Remedies & Best Treatment]
Do You Have A Red Spot Under Toenail? This is usually caused by bleeding under the toenail, learn how to get it to grow back 90% of the time! 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.
Red Spot Under the Toenail Causes & Treatment Video:
- This video goes over why there are red spots under your toenail.
- It also goes over how to treat the red spots under the toenail.
Why do I have red spots under my toenails?
Causes of Red Under The Toenail:
- Red under the toenail is more commonly known as a subungual hematoma.
- This is nothing more than a buildup of blood underneath the toenail or the fingernail.
- The downward constant pressure of wearing shoes or a traumatic injury can cause the vessels under the nail to rupture and bleed.
- The blood then pools underneath the nail plate.
- This can sometimes lead to pain, but most of the time, there is not severe pain.

Symptoms of a Red Toenail:
- It does not always have to hurt!
- Sometimes constant rubbing after a long day can cause it.
- It does not have to be from a huge bump.
- But it does hurt for most people.
- It is usually accompanied by a bump or hit of your big toe.

Most common in Runners or Joggers:
The most common cause is in runners or joggers. This is due to poorly fitting shoes and not enough space underneath the front of the shoe. Thus this injury is sometimes called runner’s or jogger’s toe.- Poorly fitted shoes.
- Not enough space in the front of the toenail.
- Morton’s foot – short 1st toe puts pressure on the 2nd toe.

Diagnosis of Red Under The Toenail:
- It can look black, red or even brown.
- It can be painful or not hurt at all.
- If it does hurt, the pain is a throbbing type.
- It can be small or take up the entire nail.
- There can be a large traumatic incident before the spot appears.
- There can be a history of new shoes being worn.
- There can be a history of new exercise or job being started recently.
- Running or jogging.
- Slamming toe or fingernail.
Consider 4 Other Causes to Discolored Toenails:
This is usually a yellow, thick and flakey toenail. This is from a big accident or bumps against your toe. This means blood is building under your toenail. This is usually a lime green color. A line can sometimes be dangerous and cancerous. But even still, it is almost always something safe.Home Treatment of Red Under The Toenail:
If you are feeling extreme throbbing, try the following things:1)Ice The Toenail!
- The first step is to take some ice and apply it to the jammed toenail to decrease the inflammation in the area.
- This will help decrease the immediate pain.
- This will also help decrease the healing time over the next few days.
- It will increase the odds of your toenail not falling off.
2)Put Some Pressure On It.
- Wrap it to stop the Toe From Swelling.
- Could you not make it too tight?
- You still want to feel the toe.
3)Anti-inflammatory medication.
If you are healthy enough(with a podiatrist or pharmacist), it is a good idea to take some anti-inflammatory medications. These will help decrease the swelling and the pain.- Decreases the pain.
- Increases the healing time.
- Increases chances of keeping the nail.
4)If it is still hurting- see a podiatrist have the blood drained.
- The podiatrist can drill through your toenail and drain the blood out of the toenail if the big toe is still hurting.
- This is considered the ultimate treatment!
5)Prevention is the best medicine!

- Get your shoes fitted properly.
- Try a Brannock Device
- Measure the arch length, foot length, and foot width.
- Cut your toenails properly.
- Don’t leave the toenails too long.

6)If Think You Have Fungus or Toenail Damage:
- Try the following products to repair your toenail.
- These can really work well!






Other Common Diseases of the Toenails:
Diseases of the nails are some of the most common causes of foot pain. Select what is bothering you from the list below.
- Toenail Fungus.
- Very Long Toenails.
- Ingrown Toenail.
- Bruised Toenails.
- Toenail Falling Off.
- Permanent Ingrown Toenail Removal Surgery.
- Black Streaks Under The Nails.
- White Patches On Toenails.
- Black Spot Under The Toenail.
- Red Spot Under The Toenail.
- Green Spot Under The Toenail.
- Toenail Coming Off The Nail Bed.
- Toenail Psoriasis.
- Black Toenail.
Foot Fungus Products:
These are our recommended Athlete’s Foot Products.








Best Shoes For Toenail Injuries:
- The key to prevent toenail ripping and lifting is to have good supportive shoes.
- If you have a good supportive shoe that keeps pressure off your toes in your toenails, there will be no lifting and cracking to allow bacteria and fungus to get in.
- This almost seems counter-intuitive, but when people make a switch to really good supportive shoes that fit properly, their toenail problems almost always get better over the next few months or a year.
- Your current nail is already likely destroyed, especially with joggers toe, but let the new nail growing healthy without new damage.
- Click the following link for our most recommended shoes. Try to focus on shoes with mesh and room around the big toe and also the smaller toes.
Associated Toe Problems:
- Foot Corn.
- Foot Blister.
- Callus Foot Pain.
- Swollen Painful Toe.
- Fractured Hallux.
- Foot Wart (Verruca).
- Itchy and Red Skin.
- Psoriasis under the toenails.
- Lichen planus
- Eczema
- Bacterial infection
- Foot Wart
- Subungual melanoma
- Swollen Nail Bed
- Toe Osteochondroma
- Keratin Granulations Treatment
Related Treatment Guides
Red Spot Under Your Toenail?
A red spot under the toenail can be a simple bruise or something that needs attention. Our podiatrists evaluate nail discolorations to rule out serious conditions.
📞 Or call us directly: (810) 206-1402
Clinical References
- Levit EK, et al. The ABC rule for clinical detection of subungual melanoma. J Am Acad Dermatol. 2000;42(2):269-274.
- 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.
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Red Spot Under Toenail — What To Do
🏠
Monitor at Home
- Note if spot grows or changes in 1-2 weeks
- Avoid ill-fitting shoes causing repeated trauma
- Cushion toenail with gel cap
- Trim nails regularly to reduce impact
🛒
Products I Recommend
- Gel toe protector caps
- Wide toe-box shoes
- Toenail trauma prevention insoles
- Nail strengthening treatment
👨⚕️
See a Podiatrist
- Spot not explained by trauma
- Spot spreading — rule out subungual melanoma
- Nail separating from bed (onycholysis)
- Pain or swelling with the spot
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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.
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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.
- Diagnosis and Treatment of Plantar Fasciitis (PubMed / AAFP)
- Heel Pain (APMA)
- Hallux Valgus (Bunions): Evaluation and Management (PubMed)
- Bunions (Mayo Clinic)
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