my baby has pitryasis alba some white patches on his leg slowly it's increased wat to do. As i was told by div that it's self healing I don't know wat to do

A. A lot of time these things increased due to deficiency of calcium also so it’s good if you take a check up with your doctor you’ll rather be more sure about the right reason behind it and according to that whatever is more suitable in terms of treatment or doctor will advise you on that