Nail dyschromia L60.8

Authors: Prof. Dr. med. Peter Altmeyer, Dr. Michael Hambardzumyan

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Last updated on: 29.10.2020

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Synonym(s)

Chloronychia; Nail discoloration

Definition
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Discoloration of the nails due to various causes (see table 1). A distinction is made between exogenous (external influence of colouring substances) and endogenous dyschromas.

Manifestation
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Predisposing factors on the part of the organism are diabetes mellitus and circulatory disorders, external predisposing factors are frequent contact with water and cleaning agents.

Differential diagnosis
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Therapy
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Causal, avoidance of the triggering cause.

Tables
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Exogenous and endogenous causes of dyschromas

Exogenous causes

General

Smoking

Medical applications

Rivanol, silver nitrate, potassium permanganate

Cosmetics

henna, mercury in bleaching ointments, ingredients of nail polishes, tanning creams

Professional substances

hairdressing materials, wood polishes, varnishes

Endogenous dyschromia

Toxins

Lead, silver, arsenic

Drugs

phenothiazines, antimalarials, tetracycline, ketoconazole, gold, cytostatic drugs

bacteria/fungi

Pseudomonas aeruginosa, scopulariopsis species (green or black nail discoloration)

Metabolic and cardiovascular diseases

M. M. Wilson, M. Addison, anemia, polycythemia.

Literature
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  1. Winckler H (1989) Dyschromia of the nails due to nail polish. Nude Dermatol 15: 127-128

Disclaimer

Please ask your physician for a reliable diagnosis. This website is only meant as a reference.

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Last updated on: 29.10.2020