The blue color under the baby’s nose may be caused by cold, congenital heart disease, lung infection and other reasons.
1. Cold: usually if the baby due to the cold, the limbs of the skin will be greenish-purple, usually after warming can disappear, this is a normal phenomenon.
2. Congenital heart disease: If the lips or tongue are blue-purple or the skin does not disappear after warming, ultrasound examination of the heart can be carried out to exclude the possibility of congenital heart disease. It is often accompanied by systemic symptoms such as backward development.
3. Lung infection: if the baby appears to be blue under the nose, and accompanied by cough, shortness of breath and other symptoms, should consider the possibility of lung infection.
The baby’s nose under the blue, there may be other reasons, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.