Nails have vertical lines are generally longitudinal ridge of the nail, four months baby appeared longitudinal ridge of the nail may be a physiological phenomenon, may also be flat moss, palmoplantar pustulosis and so on caused by.
1. Physiological phenomenon: the dermal ridge on the nail bed of the organism will gradually increase with age, which is a normal physiological phenomenon. Therefore, the four-month-old baby appeared nail longitudinal ridge is normal, do not need treatment.
2. Lichen planus: the cause of lichen planus is still unclear, and it is considered to be related to immune factors, heredity, viral infection, neuropsychiatric factors and other reasons. When the patient’s nail is involved, there will be a thickening or thinning of the nail plate longitudinal ridge, nail pterygium, nail loss and other manifestations. If four babies suffer from lichen planus, it may be manifested as longitudinal ridge of nail.
2. Palmoplantar pustulosis: the cause of palmoplantar pustulosis is not yet clear, it may be due to infection, drug factors and other reasons. The patient’s skin lesions will appear erythema, flaking, crusting and other manifestations. If the patient’s nails are involved, there will be longitudinal ridge of the nail, nail turbidity, nail peeling, punctate depression and other manifestations. If a four-month-old baby presents with palmoplantar pustulosis, he or she will have a longitudinal ridge of the nail.
It is recommended that parents of four babies with longitudinal ridge of the nail need to take their babies to the doctor in time, if it is a normal physiological phenomenon does not need to be treated. If it is caused by disease, it needs to be treated for the cause of the disease.