Dr Vandan H KumarFather of a 7 yr 4 m old boy3 years agoA. the most common cause would be due to nutritional deficiency
there is a possibility that your child is having nutritional deficiencyy which is causing such changes in the child so give plenty of water and seasonal fruits and vegetables and meet your doctor who will tell you whether any health supplements in the form of iron calcium vitamin d or multi vitamin is required or not
Manali K MehtaMom of a 9 yr 3 m old boy3 years agoA. hi parent
it is happened due to some injoury
if you're child have any discomfort please consult with your pediatrician about this matter
you can use Babyhug lip balm for your child
it is very helpful
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