White toenails may be caused by white nail disease, nail fungus, iron deficiency anemia and other reasons.
1. white nail disease: the cause of the disease is still unclear, may be related to genetic, vitamin deficiency and other reasons, the patient’s nails can appear point or piece of white spots.
2. Nail fungus: mostly caused by dermatophyte infection, the sick nail manifests itself in the form of flaky white spots of varying sizes, which may be accompanied by symptoms such as thickening of the nails, separation, and unevenness of the nail surface.
3. Iron deficiency anemia: it refers to the anemia caused by the imbalance between the body’s demand and supply of iron, which leads to the depletion of stored iron in the body and the lack of iron in the red blood cells. Patients have poor circulation in the extremities, resulting in whitening of the skin, nails and other parts of the body. Some patients also experience symptoms such as weakness and dizziness.
The whitening of the toenails may also be related to cold environment and other factors. If the nails are white for a long time, it is recommended to go to the hospital for diagnosis and related treatment.