The child old gnawing fingernails, may be normal behavior, may also be the body has elemental deficiencies or for nail biting fetish and other conditions.
1. Normal situation: generally 3 ~ 4 months of infants will be through the gnawing or sucking hands or feet to get comfort, the situation is often in the hungry or before going to sleep, in the age of growth can gradually disappear.
2. Elemental deficiencies in the body: some children lack zinc, iron and other elemental deficiencies in the body, there can be abnormal performance, such as gnawing nails.
3. Nail biting fetish: often produced by mental emotional tension or some emotional needs are not satisfied, for a psychological disease, often seen in school-age children, parents should pay attention to distract the child’s attention, give care, avoid scolding.
Children gnawing fingernails, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.