Color Change on the Nail Should Be Considered

Color Change on the Nail Should Be Considered

‘Nail is a skin appendage located on the outer surface of the tips of our fingers, facilitating the holding of objects and providing support to the fingertips. Color and shape changes in the nails can be a sign of various dermatological and systemic diseases. Nails have many functions such as protecting the fingertips from trauma and holding small objects.

Nail changes play a guiding role in the diagnosis of various dermatological and systemic diseases:


Beau’s lines: These are transverse depressions that occur in the nail. It occurs in more than one nail or in all nails due to a disease severe enough to affect the growth of the nail. It can be caused by various infections, medications, autoimmune diseases.

White bands on the nail: It can be seen in liver cirrhosis, chronic congestive heart failure, adult-onset diabetes. The whiteness on the free edge of the nail may be a sign of cirrhosis, and the whiteness at the bottom of the nail may be a symptom of chronic kidney disease.

Yellow nail syndrome: Fingernails and toenails may appear rough, curved and yellow-green. It has been described with lymphedema and pleural problems.

Clubbing: It occurs with the increase in the slope of the nail and the thickening of the soft tissue around it. It is most commonly seen in chronic lung, heart, liver or thyroid diseases.

Spoon nail: The nail plate takes the shape of a spoon. It is very common in iron deficiency. It can be seen especially in the big toe nail in children. It can also be seen in fungal infection, diabetes, lupus, thyroid diseases.

Melanonychia: It is characterized by longitudinal dark stripes. It can be seen in drugs, Addison’s disease, AIDS, hyperthyroidism, folic acid deficiency, vitamin B12 deficiency, Cushing’s syndrome.’

Nail fungus: Diabetes and weakened immune system can lead to fungal infections. Fungal spores live for a long time on items such as towels, swimsuits, slippers and sun loungers used during bathing, swimming, swimming pools, showers, saunas, fitness rooms and locker rooms are also risky areas.

Inflammation of the edge of the nail and ingrown nails: It is a condition that must be taken into account and must be treated under the control of a dermatologist. Also; Psoriasis nail and lichen planus are dermatological diseases with nail involvement.

Phosphorus color on nails: Especially recently, due to the covid infection; It is thought that the nail color change, which we see a phosphorescent color in the wood lamp, occurs in covid positive people and due to the drugs used for this disease.

Source: Eylem Acar

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