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Nail fungus is a common infection of the nail. It begins as a white or yellow-brown spot under the tip of your fingernail or toenail. As the fungal infection goes deeper, the nail may discolor, thicken and crumble at the edge. Nail fungus can affect several nails.
If your condition is mild and not bothering you, you may not need treatment. If your nail fungus is painful and has caused thickened nails, self-care steps and medications may help. But even if treatment is successful, nail fungus often co...
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Symptoms of nail fungus include a nail or nails that are:
Nail fungus can affect fingernails, but it's more common in toenails....
Nail fungus is caused by various fungal organisms (fungi). The most common is a type called dermatophyte. Yeast, bacteria and molds also can cause nail infections. The discoloration from a bacterial infection tends to be green or black.
Fungal infection of the foot (athlete's foot) can spread to the nail, and a fungal infection of the nail can spread to the foot. You can also get the infection from contact with spaces where fungi can thrive, such as the floor tile in a gym shower or inside dark, sweaty, moist shoes....
Treatment for toenail fungus isn't always needed. And sometimes self-care and nonprescription products clear up the infection. Talk with your health care provider if your condition doesn't improve. Treatment depends on the severity of your condition and the type of fungus causing it. It can take months to see results. And even if your nail condition improves, repeat infections are common.
Your health care provider may prescribe antifungal drugs th...
The following habits can help prevent nail fungus or reinfections and athlete's foot, which can lead to nail fungus:
For informational purposes only and not a substitute for professional medical advice, diagnosis, or treatment.
© Mayo Clinic
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