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MEDICAL MYTH: White Spots on Fingernails Mean Vitamin Deficiency. What does it mean, really?

BUST: Though a popular belief that white spots on one’s fingernails mean a calcium and zinc deficiency, those visible little spots on your nails are usually the result of a minor trauma to the nail bed. Spots could also be a sign of a mild infection, allergies, or a side effect to certain medication or antibiotics.

Whatever the cause, those white spots usually don’t require any treatment, and they should go away as your nail grows.

If you have white spots on all of your nails, however, this could be a sign of anemia or something else that you may want to pay extra care or attention to and discuss with your doctor.