What does a black spot on toenail mean?

What does melanoma look like under the toenail?

What does melanoma on the nail look like? Subungual melanomas usually appear as a brown or black streak under the nail. Typically, these streaks gradually increase in size and are usually larger than 3mm. Unlike nail infection or trauma to the nails, subungual melanoma typically affects one nail at a time.

How do I get rid of black marks on my toenails?

Over-the-counter ointments, creams, and polishes are usually effective. Severe cases may require a prescription antifungal treatment. If a black toenail is caused by an injury, the resulting spot from broken blood vessels will disappear once your nail grows out.

What does a black mark on your nail mean?

Another cause of black lines on the nails is a splinter hemorrhage, which occurs when blood vessels under the fingernail are damaged, often due to injuries, such as hitting. More seriously, a black line or lines on the nails can indicate the presence of melanoma, a dangerous form of skin cancer.

Can a black spot on toenail be fungus?

Toenail Fungus

While most nail fungi appear as yellow to brownish discolorations, sometimes the fungus can appear dark brown to black with the buildup of debris under the nail.

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Can you have melanoma for years and not know?

How long can you have melanoma and not know it? It depends on the type of melanoma. For example, nodular melanoma grows rapidly over a matter of weeks, while a radial melanoma can slowly spread over the span of a decade. Like a cavity, a melanoma may grow for years before producing any significant symptoms.

Why is my big toenail discolored?

Nail fungus, also called onychomycosis, is one of the most prevalent causes of toenail discoloration. The most common organism to cause toenail fungus is called dermatophyte. However, mold or yeast can also infect toenails. Dermatophytes grow by eating your body’s keratin.

Does runners toe go away?

It often goes away by itself when you reduce your training load or switch shoes. In some cases, it may lead to the loss of your toenail. If you notice signs of infection, such as pus or swelling, or if your nail is lifting from the nail bed, it’s a good idea to visit your doctor.

What does toe fungus look like when it starts?

Nail fungus can cause the nail to become thick or ragged and appear yellow, green, brown or black. An infected nail may separate from the nail bed. Nail fungus is a common condition that begins as a white or yellow spot under the tip of your fingernail or toenail.

What causes darkening of nails?

In about 50% of cases, discolored nails are a result of infections with common fungi that can be found in the air, dust, and soil. There are many species of fungi that can affect nails. By far the most common, however, is called Trichophyton rubrum.

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