There are precautions to be taken before and after BCG vaccination.
1. Before vaccination: patients with malnutrition, eczema, chronic diseases need to do tuberculin skin test, which is negative before vaccination. For premature, difficult to deliver, congenital deformity of the newborn is not suitable for vaccination; before vaccination, the child should not have fever and other resistance decline, this time is not suitable for vaccination.
2. After vaccination: after BCG vaccination, you need to keep the skin of the injection site clean, no scratching, water; local redness and swelling after vaccination, you need to keep clean and dry; you need to maintain a light diet after vaccination, forbidding greasy food; you need to pay attention to rest, pay attention to warmth, avoiding cold and causing adverse reactions.
Any discomfort after BCG vaccination needs timely medical treatment.