Leukonychia - Causes and Symptoms

What Is Leukonychia: Causes And Symptoms


Leukonychia is an alteration of the nail plate, characterized by the appearance of irregular whitish specks or streaks on the nails . These signs generally represent the result of small injuries (e.g. manicure). In some cases, however, if the trauma is more severe and the white spots appear under the surface of the nail , they indicate that the plate has separated from the nail bed ( onycholysis ). Small specks, dots or other white marks on, inside or under the nail can also indicate the presence of onychomycosis (fungal infections) or skin conditions, such as psoriasis or eczema.

In the event that, in addition to the presence of leukonychia, the nails are also more fragile, it could be hyperthyroidism (Plummer’s nail).

Other possible causes include general illnesses (eg cirrhosis of the liver , renal insufficiency , calcium , zinc or vitamin B6 deficiency ) and the intake of certain medications.

Possible Causes Of Leukonychia

Leukonychia is a common or probable symptom of these diseases

Common Causes

  • Fluorosis

Rare Causes

  • Alopecia areata
  • Anemia
  • Psoriatic arthritis
  • Liver cirrhosis
  • Seborrheic dermatitis
  • Dermatophytosis
  • Kidney failure
  • Hyperthyroidism
  • Kawasaki disease
  • Nail biting
  • Athlete’s foot
  • Psoriasis

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