My baby is 3 months old and he had received bcg vaccine on dec 26th. From two months it was swollen and from 2 week it was slightly like pustule and on today morning it shrink. From today evening it was noticed that slight lymph node enlargement on that armpit. Is it normal? Or anything to worry?

Suggestions offered by doctors on Lybrate are of advisory nature i.e., for educational and informational purposes only. Content posted on, created for, or compiled by Lybrate is not intended or designed to replace your doctor's independent judgment about any symptom, condition, or the appropriateness or risks of a procedure or treatment for a given person.