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What is onychoschizia?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
Onychoschizia is a condition in which nails split or break easily and become brittle. The most common cause is frequent wetting and drying of nails, which can make them drier and more likely to split. Excessive buffing of nails, filing nails into sharp points rather than rounded edges, and using nails as tools can also lead to breakage and splitting.
Onychoschizia occurs when your fingernails begin to split horizontally. Your fingernails are composed of several layers of cells. In an individual with onychoschizia, those layers begin to peel off and split. There are several different causes of onychoschizia, but it usually occurs from constant wetting and drying of the fingernails.

Continue Learning about Onychoschizia (Nail Splitting)

Why is my onychoschizia worse in the winter?
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Onychoschizia can become worse in the winter because this is usually when the weather is driest. In ...
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How do other illnesses affect onychoschizia?
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Onychoschizia can be caused by other illnesses or conditions. Trauma or injury to the nail bed may c...
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Does onychoschizia affect children differently than adults?
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Onychoschizia does not usually affect children. In fact, it is most common in elderly people. If you...
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What increases my risk for onychoschizia?
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Your risk for onychoschizia is increased if you frequently wash and dry your hands. Onychoschizia ca...
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.