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Onychorrhexis - Nail and Distal Digit
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Onychorrhexis - Nail and Distal Digit

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Contributors: Shari Lipner MD, PhD, Vivian Wong MD, PhD, Susan Burgin MD
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Synopsis

Onychorrhexis refers to alternating longitudinal thickening and thinning, or ridging, of the nail plate. Longitudinal splitting may also occur. The first fingernails are most commonly affected. Onychorrhexis is believed to be a result of disordered keratinization in the nail matrix and is due to a variety of conditions:

Codes

ICD10CM:
L60.3 – Nail dystrophy

SNOMEDCT:
85136002 – Longitudinal split nail

Look For

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Diagnostic Pearls

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Differential Diagnosis & Pitfalls

Best Tests

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Management Pearls

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Therapy

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Drug Reaction Data

Below is a list of drugs with literature evidence indicating an adverse association with this diagnosis. The list is continually updated through ongoing research and new medication approvals. Click on Citations to sort by number of citations or click on Medication to sort the medications alphabetically.

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References

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Last Reviewed: 05/07/2019
Last Updated: 05/13/2019
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Onychorrhexis - Nail and Distal Digit
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Onychorrhexis : Fingernails, Toenails
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