dear mother / father kindly tell me has your baby been given B.C.G vaccine? does your or your spouse's maternal or paternal side suffer from tuberculosis
ever in their life? that is, whether there is family history of tuberculosis in your family. secondly tell me whether the marriage in between you two is within relation? also tell me whether your babay has fever? does your baby take feed properly?is there any history of the mother of 3 month old consume any drug for some ailment during pregnancy? is this child of your's the first child of your's ? or if there is any sibbling with similar history in family?...dear parent,....without knowing answers to all this it is not possible to diagnose what your child is suffering from . also some investigations may be required. hence i would advise you to visit a pediatrician
as wel a skin specialist for above complaint.