Ava Monroe
Brown nails can be caused by a number of factors, including fungal infections, bacterial infections, medication, and skin conditions such as psoriasis. However, the most serious potential cause of brown nails is melanoma, the most serious form of skin cancer. In this article, we will explore the various causes of brown nails and discuss when to seek medical advice.
| Characteristics | Values |
|---|---|
| Cause | Fungal infection, bacterial infection, medication, nail psoriasis, nail melanoma, melanonychia |
| Appearance | Brown or black stripe, round brown spots |
| Accompanying symptoms | Yellowing, thickening, pain, bleeding, splitting |
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Fungal infections
Brown nails can be caused by fungal infections, which would be accompanied by yellowing and thickening of the nail. Fungal infections can be treated with over-the-counter antifungal nail creams, ointments, or oral medications. If the infection is severe, your doctor may recommend prescription antifungal medications.
It is important to note that brown nails can also be a sign of nail melanoma, which is a serious form of skin cancer. If you notice any other symptoms such as pain, bleeding, or splitting of the nail, it is important to see a dermatologist as soon as possible.
In some cases, brown nails can be caused by bacterial infections or a response to medication. For example, chemotherapy drugs can turn fingernails gray-brown. If you are concerned about the colour of your nails, it is always best to consult with a healthcare professional.
Fungal nail infections are caused by fungi that grow in warm, moist environments, such as swimming pools, gyms, and shower floors. The fungi can enter the nail through small cuts or breaks in the skin around the nail. People with weakened immune systems, diabetes, or circulation problems are more susceptible to fungal nail infections.
To prevent fungal nail infections, it is important to keep your nails clean and dry, wear shoes in public places, avoid sharing nail tools, and practise good hygiene. If you have a fungal nail infection, it is important to treat it promptly to prevent it from spreading to other nails or people.
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Bacterial infections
Brown nails can be caused by bacterial infections. Bacterial infections can cause discolouration of the nails, turning them brown. This is not the only cause of brown nails, however. Melanonychia is a condition that causes brown or black lines on the nails, usually in the form of stripes. This is a harmless condition that can occur naturally in people with darker complexions, but it can also be a sign of other health issues. It is important to get this checked by a doctor.
Nail psoriasis can also cause brown spots on the nails, especially if they are pitted. This is a skin condition that can cause discolouration of the nails, and usually appears years after psoriasis first shows up on the skin.
In addition, brown nails can be a sign of a melanoma, which is a form of skin cancer. This is a serious condition that can be deadly if not diagnosed and treated early. If you notice any pain, bleeding, or splitting of the nail, it is important to see a dermatologist as soon as possible.
Finally, brown nails can be a response to medication. For example, chemotherapy drugs can turn fingernails grey-brown. If you are taking any medication and notice discolouration of your nails, it is important to speak to your doctor.
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Nail cancer
Brown nails can be caused by a number of factors, including fungal infections, bacterial infections, and medication. However, one of the most serious causes of brown nails is nail cancer, also known as nail melanoma. Nail melanoma is a rare but deadly form of skin cancer that can be identified by a brown or dark stripe that goes from the cuticle out to the free edge of the nail, especially if it's getting wider. If you notice any of these symptoms, it's important to see a doctor as soon as possible. While nail melanomas are uncommon, they can be life-threatening if not diagnosed and treated early.
The most common symptom of nail melanoma is a brown or black stripe on the nail, known as a longitudinal melanonychia. This stripe usually starts at the cuticle and extends towards the free edge of the nail. It may appear on one or several nails and can be accompanied by other changes in the nail, such as thickening, splitting, or bleeding. In some cases, nail melanoma may also cause pain or discomfort in the affected nail.
If you notice any of the above symptoms, it is important to see a doctor as soon as possible. The doctor will likely perform a biopsy of the nail to confirm the diagnosis. Treatment for nail melanoma depends on the stage of the cancer and may include surgery, chemotherapy, and/or radiation therapy. Early detection is key to improving outcomes, so don't ignore any changes in your nails and seek medical attention if you have any concerns.
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Nail psoriasis
Brown nails can be a sign of nail psoriasis, which is characterised by salmon-coloured discolouration called "oil drops", as well as nail pitting, which is when the nail appears to have been dented by tiny ice picks. Nail psoriasis usually appears years after psoriasis first shows up on the skin.
However, brown nails can also be a sign of something more serious, such as a melanoma (a.k.a. the most serious form of skin cancer). If the skin surrounding the lower part of your nail turns brown or black, this could be a sign of nail cancer. If you notice brown spots on your nails, especially if they're pitted, this could be a sign of nail psoriasis. If you have any concerns, you should consult a doctor.
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Melanonychia
The presence of brown or black nails can be a sign of nail melanoma, the most serious form of skin cancer. While nail melanomas are uncommon, they can be deadly if not diagnosed and treated early. Other causes of brown or black nails include fungal infections, bacterial infections, and certain medications. For example, chemotherapy drugs can turn fingernails gray-brown.
Fungal infections are often accompanied by yellowing and thickening of the nails. Nail psoriasis, a skin condition, can also cause brown spots on the nails, especially if they are pitted. Nail psoriasis often appears years after psoriasis first shows up on the skin and may be accompanied by salmon-colored discoloration called "oil drops" and nail pitting, which is when the nail appears to have been dented by tiny ice picks.
It is important to be watchful for nail cancer symptoms, such as a brown or dark stripe that goes from the cuticle to the free edge of the nail, especially if it is getting wider. If the discoloration is round, as opposed to linear, it could be another condition. Hormones and certain medications can also cause pigmented bands in the nails.
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Frequently asked questions
Brown nails could be a sign of a fungal infection, bacterial infection, or a funky response to medication. It could also be a sign of nail cancer (melanoma) or nail psoriasis.
Brown spots on nails, especially if they're pitted, could be a sign of nail psoriasis. Other symptoms include salmon-coloured discolouration called 'oil drops' and nail pitting, which is when the nail appears to have been dented by tiny ice picks.
Nail cancer (melanoma) can be indicated by a brown or dark stripe that goes from the cuticle out to the free edge of the nail, especially if it's getting wider.
If you notice pain, bleeding, or splitting of the nail, make an appointment with a board-certified dermatologist who may have to do a biopsy on the nail.
