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Nail changes on one or more nails (usually toenails): Brittleness; Change in nail shape; Crumbling of the nail; Debris trapped under the nail; Discoloration; Loosening (detaching) of the nail; Loss of luster and shine; Thickening;
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Onychomycosis is caused by three types of fungi, called dermatophytes, yeasts, and nondermatophyte molds. Fungi are simple parasitic plant organisms that don't need sunlight to grow. Toenails are especially susceptible because fungi prefer dark da...
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Nail abnormalities are problems with the color, shape, texture, or thickness of the fingernails or toenails.
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