Leukonychia is the name where white lines or dots appear on your finger or toenails. This is a very common issue and entirely harmless. They can also appear on your teeth. The most common cause of leukonychia is an injury to the nail bed. These injuries can occur if you pinch or strike your nail or finger.
What are the causes:
Frequent manicures and pedicures or the use of gel or acrylic nails can also damage nail beds.
Allergic reaction to nail polish, gloss, hardener, or nail polish remover may cause white spots on your nails. The use of acrylic or gel nails can also badly damage your nails and may cause these white spots.
Fungi: A common nail fungus called white superficial onychomycosis can appear on the toenails. The first sign of the infection maybe a few small white dots on the nails. The infection can grow and spread to the nail bed. Toenails may appear flaky and then become thick and brittle.
Injury at the base of your fingernail can cause white spots or dots on your nail as it grows. However, because of the time it takes for your fingernails to grow, you may not recall the injury. Some injuries won’t show up for four weeks or more.
Mineral deficiency: You may notice white spots or dots along with your nails if you are deficient in certain minerals or vitamins. The deficiencies most commonly linked to this issue are zinc deficiency and calcium deficiency.
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