#asktheexperts Hello Dr. Sahib, my son was given BCG vaccine which has now ripened in the third month, redness appeared like a boil and pus was also coming out of it and when the child slept at night, when he woke up in the morning, the place with pus Come out, now there are pits on that boil, can you fill some powder in the pit formed in the boil because it has become a pit like boil, anything can go in it like dust, dirt, water, even a fly can sit in it