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What causes white spots on the nails?

May 08, 2024 Source: Cainiu Health
Dr. Wang Xiaoyan
Introduction
White spots on the nails may be caused by trauma, calcium deficiency, nail dystrophy, fungal nail infection, anemia, etc. It is recommended to seek medical attention promptly and receive appropriate treatment after identifying the underlying cause. In daily life, engaging in moderate physical exercise such as running, swimming, jumping rope, or cycling can help improve bodily functions and enhance immunity.

In general, white spots on the nails may be caused by trauma, calcium deficiency, nail dystrophy, onychomycosis (fungal nail infection), anemia, or other conditions. It is recommended to seek medical attention promptly to determine the underlying cause and receive appropriate treatment. Specific analyses are as follows:

1. Trauma

Excessive force when typing or tapping on a keyboard can temporarily reduce blood flow to the fingertip, resulting in white spots on the nail. This condition usually does not require treatment and will gradually fade over time.

2. Calcium Deficiency

Lack of sun exposure over a prolonged period may lead to calcium deficiency, causing the nails to become thin and, in severe cases, develop white spots. Calcium supplements such as calcium carbonate granules, calcium gluconate tablets, or calcium lactate granules may be taken under medical supervision.

3. Nail Dystrophy

This may be caused by genetic factors, and the condition can damage the nails, leading to the appearance of white spots. Treatment may include vitamin A capsules, vitamin E capsules, or multivitamin tablets as directed by a physician.

4. Onychomycosis (Fungal Nail Infection)

This is usually caused by fungal infection, which leads to abnormal nail appearance, including white spots. It is recommended to use antifungal medications such as compound povidone-iodine solution, amorolfine hydrochloride solution, or Shanhua Xuanjing (a traditional remedy) under medical guidance.

5. Anemia

Poor diet may lead to reduced red blood cells, causing ischemia in the nail bed and resulting in white spots. Treatment may include ferrous gluconate oral solution, vitamin C tablets, ferrous sulfate tablets, or ferrous fumarate granules, used under medical supervision.

Regular physical exercise such as running, swimming, jumping rope, or cycling can help improve overall bodily function and enhance immunity.

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