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What is onychoschizia?

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.
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.

Continue Learning about Onychoschizia (Nail Splitting)

Should I talk to my doctor about my onychoschizia symptoms?
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Usually onychoschizia can be diagnosed and treated without the help of a doctor. However, you may ch...
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Is there a cure for onychoschizia?
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Onychoschizia can usually be cured simply through better nail care. This includes keeping a healthy ...
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How does water affect onychoschizia?
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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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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.