The blackening of the root of the baby’s fingernail is limited to a single finger, may be the finger pressure or nail bed injuries resulting in bruising; if all the fingernails are blackened at the root, it may be poor peripheral circulation, the presence of systemic diseases, or the presence of shock.
1. Single fingernail blackened at the root: single fingernail blackened at the root may be the finger is pressed, the blood supply of the finger is affected. Injury to the nail bed leading to capillary rupture and bleeding can also occur at the root of a single fingernail blackened phenomenon.
2. All fingernails blackened at the root: all fingernails blackened at the root more suggests that the baby’s peripheral circulation is very poor or systemic diseases, such as congenital heart disease, severe lung infection. Infants in shock, in addition to all the fingernails blackened at the root will also have perioral bruising and other parts of the mouth.
There may be other causes of black fingernails in infants, and it is recommended that they go to the hospital in time for a complete examination to determine the cause of the problem, and then give targeted treatment or therapy.