Q: My 7 months old daughter has developed a lump on her shoulder, five weeks after getting vaccinated with BCG. The lump has got busted and is discharging pus. Is this normal and how can this be treated?

A:This could be due to the lymph node enlargement, which can follow after BCG vaccination. Occasionally, pus formation can also occur. Therapy with drugs will be required to prevent the spread of infection.