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| | Fungal Nail Infections -- Topic Overview |
 | | A fungal nail infection (onychomycosis, or ringworm of the nail) occurs when fungi invade a fingernail or toenail and/or the skin underneath the nail (nail bed). |
 | | , the most common fungal infection, may include yellow streaks under the nail, a buildup of bits and pieces of skin and nail fragments (debris) under the nail, a discolored and thickened nail that may separate from the skin, and a brittle, broken, and thickened nail. |
 | | A fungal nail infection can make wearing narrow or tight shoes, walking, or standing for long periods of time uncomfortable and in some cases painful. |
| my.webmd.com /hw/health_guide_atoz/hw268104.asp?printing=true (612 words) |
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