Fingernails are gray, may be the peripheral circulation is not good, may also be due to nail fungus, trauma and other factors.
1. poor peripheral circulation: if the hands are stimulated by cold, it will lead to poor peripheral blood circulation, which will reduce the blood in the fingernails, triggering hypoxia symptoms, making the fingernails gray.
2. ringworm of the nail: if the fingernail is infected by red ringworm, trichophyton and other dermatophytes, it will lead to the destruction of the nail plate, thus causing the fingernail to appear gray symptoms.
3. Trauma: If the fingernail is hit or squeezed by heavy objects, it will lead to the rupture of capillaries under the nail, causing bruising symptoms, which will lead to gray fingernails.
Fingernails gray is not necessarily bad peripheral circulation, there may be other reasons, should actively go to the hospital to improve the examination, clear cause of the disease and follow the doctor’s instructions standardized treatment.