About Nail Fungus (From WebMD.com)
What is a fungal nail infection?
A fungal nail infection camera.gif occurs when a fungus attacks a fingernail, a toenail, or the skin under the nail, called the nail bed. Fungi (plural of fungus) can attack your nails through small cuts in the skin around your nail or through the opening between your nail and nail bed.
If you are healthy, a fungal nail infection probably won't cause serious problems. But it may look bad, hurt, or damage your nail or nail bed.
A fungal nail infection could lead to more serious problems if you have diabetes or a weak immune system. Talk to your doctor about the best way to treat a nail infection if you have one of these problems.
What causes a fungal nail infection?
Yeasts, molds, and different kinds of fungi can cause fungal nail infections. Most are caused by the same type of fungus that causes athlete's foot.
Fungi grow best in warm, moist places, and they can spread from person to person. You can get a fungal nail infection from walking barefoot in public showers or pools or by sharing personal items, such as towels and nail clippers. If you have athlete's foot, the fungus can spread from your skin to your nails.
What are the symptoms?
A nail with a fungal infection may:
When you have a fungal nail infection, it can be uncomfortable or even painful to wear shoes, walk, or stand for a long time. The fungus could also spread to other nails or your skin. Over time, the infection can cause permanent damage to your nail or nail bed.
How is a fungal nail infection diagnosed?
Your doctor will diagnose a fungal nail infection by looking at the nail, asking about your symptoms and past health, and possibly doing tests to look for fungi.
How is it treated?
Whether to treat a fungal nail infection is up to you. If it isn't treated, it won't go away. It might get worse.
If you decide to treat a fungal nail infection, you can try a nonprescription antifungal medicine that comes in a cream, lotion, or nail polish. Your doctor can also prescribe a stronger medicine. You may need to use this medicine for a few weeks or for as long as a year. Even so, it may not get rid of the infection.
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