What causes red lips and purple tongue in children?

Children with red lips and purple tongue may be caused by cold stimulation, respiratory diseases or congenital heart disease.
1. Cold stimulation: in cold conditions can lead to poor peripheral end circulation will appear purple, can be manifested in the end of the hands and feet purple and red lips and tongue purple situation.
2. Respiratory diseases: children suffering from respiratory diseases, such as suffering from severe pneumonia, will lead to respiratory difficulties, this time through the lungs to absorb the oxygen is significantly reduced, resulting in a decrease in blood oxygen saturation, there will be red lips and tongue purple performance.
3. congenital heart disease: congenital heart disease will lead to the lack of oxygen in the child’s body, the child will appear the phenomenon of purple tongue, this time in addition to the tongue is purple, red lips, some children are accompanied by shortness of breath, chest tightness, dyspnea and other manifestations.
Caused by small children with red lips and purple tongue may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, to give targeted treatment or treatment.