Toenail Discoloration: 6 Potential Causes and How to Treat Them

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typically, toenails should be more or less a open, partially translucent color. But sometimes, they can appear yellow, green, blue, purple, or black.

several things can cause toe stain ( besides known as chromonychia ). These range from minor injuries to potentially serious health conditions. here ’ s a spirit at some of the most probably causes of your toe discoloration and how they ’ rhenium treated.

Nail fungus

Nail fungus, besides called onychomycosis, is one of the most prevailing causes of toe stain. The most common organism to cause toe fungus is called dermatophyte. however, mold or yeast can besides infect toenails. Dermatophytes grow by eating your soundbox ’ sulfur keratin. If you have nail fungus, your toe color might be :

  • yellow
  • reddish brown
  • green
  • black

The stain tends to start under the tip of your pinpoint. Left untreated, the discolor area will grow as the infection spreads. Anyone can develop nail fungus. But certain people have a higher risk, including older adults and people with reduce blood circulation or weakened immune systems. other things that can contribute to nail fungus admit :

  • frequent sweating
  • walking barefoot
  • small cuts or scraps near your nail

How to treat it

Mild fungal infections normally respond well to nonprescription ( OTC ) antifungal treatments, which you can find on Amazon. Look for something that contains either clotrimazole or terbinafine. You can besides try these 10 home remedies. If you have a severe fungal infection that ’ s afflictive or causes your nail to thicken or crumble, it ’ s best to see a professional. Left untreated, several fungal infections can cause permanent wave complete damage. You should besides see a healthcare supplier if you have diabetes and a fungal contagion in your toenail.


If you ’ ve recently dropped something on your foot or stubbed your toe on something, your nail discoloration could be a symptom of a subungual hematoma. This injury can besides result from wearing shoes that are besides tight. Subungual hematoma can make your nail appear bolshevik or purple. finally, this will change to a brown university or bootleg color. The affect nail will besides probable feel afflictive and tender .

How to treat it

Subungual hematoma normally heal on their own within a few days. In the meanwhile, try to rest the feign foot. You can besides wrap an frost pack in a towel and seat it on the nail to help with the pain. While the wound itself heals quickly it, it ’ ll take about six to nine months for the discolor collar to wholly grow out. If you notice that the pain and coerce international relations and security network ’ thyroxine getting any better after a few days, make an date with a healthcare provider. You may have a more severe injury that requires treatment.

Health conditions

sometimes, collar stain is a symptom of an fundamental health condition .

Condition Type of discoloration
psoriasis yellow-brown spots under the nail
kidney failure white on the bottom half and pink on the top
cirrhosis white
pseudomonas infections green

Seek aesculapian attention if your pinpoint ( or nail go to bed ) besides :

  • changes in shape
  • thickens
  • bleeds
  • swells
  • is painful
  • has discharge

Nail polish

When you apply collar polish to the come on of your nail, it can penetrate and stain deeper layers of keratin in your nail. polish left on your nails for barely one workweek can result in staining. Red- and orange-colored nail polish are more probably to cause discoloration. Nail hardeners containing formalin, dimethylurea, or glyoxal can besides cause discoloration .

How to treat it

The lone way to get rid of nail polish-related discoloration is to take a break from painting your nails. even a respite of just two or three weeks can resolve the write out.

Yellow nail syndrome

chicken nail syndrome is a rare discipline that causes your nails to turn scandalmongering. If you have yellow nail syndrome, your nails may besides :

  • look curved or thick
  • grow slower than usual
  • have indentations or ridges
  • have no cuticle
  • turn black or green

Experts aren ’ thyroxine certain what causes scandalmongering smash syndrome, but it tends to affect adults over the long time of 50. It besides often occurs aboard another aesculapian condition, such as :

  • lung disease
  • lymphedema
  • pleural effusions
  • rheumatoid arthritis
  • chronic bronchitis
  • sinusitis
  • autoimmune conditions

There ’ s no treatment for yellow nail syndrome itself, though it sometimes goes away on its own .


Toenail stain can besides be a side effect of certain medications .

Medication Type of discoloration
chemotherapy drugs darkening or white bands across the nail
rheumatoid arthritis drugs containing gold light or dark brown
antimalarial drugs blackish blue
minocycline bluish-gray
tetracycline antibiotics yellow

Read more: ED

Is there any way to prevent it from happening again?

Getting rid of toe discoloration can take a moment of time. But once you ’ ve addressed the implicit in issue, there are respective things you can do to prevent the stain from returning. These include :

  • Wash your feet regularly and follow up with a good moisturizer.
  • Wear breathable shoes and moisture-wicking socks.
  • Make sure your shoes aren’t too tight.
  • Wear shoes when walking around public areas, especially locker rooms and pool areas.
  • Trim nails straight across and use a nail file to smooth the edges.
  • Use trusted nail salons that sterilize their tools after every use.
  • Change your socks regularly and don’t reuse dirty socks.
  • Wait until your feet are completely dry before putting on socks or shoes.
  • Don’t wear nail polish for more than two weeks at a time.
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Category : Health

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