A circle of white marks at the outermost end of the nail may be caused by trauma, malnutrition, and onychomycosis.
1. Trauma: If the nails are squeezed by external forces, the subnail tissue is damaged, which may lead to poor blood circulation, resulting in white nail symptoms.
2. Malnutrition: a ring of white marks on the outermost tip of the nail may be due to a lack of zinc, calcium and other trace elements in the body, which may affect the function of the nail matrix cells and lead to abnormal synthesis. Manifested as one or more small irregular white spots on the surface of the nail plate, which may gradually spread to the whole nail plate.
3. Nail fungus: a ring of white marks on the outermost tip of the nail may be a fungal infection leading to nail fungus, there may be a point or irregular white turbidity on the superficial layer of the nail, the surface loses its luster, and the nail becomes fragile, easy to break and other symptoms.
If the above symptoms occur, it is recommended to go to the hospital in time, and follow the doctor’s instructions for regular treatment as early as possible.