At the time she bit the glass there may have been a problem but now you need not worry about it as she is well. The smell of pesticide is not harmful to a baby. The use of steroids along with antibiotics is standard therapy for impetigo and has no side effects unless used for very long periods over large areas. You need not worry. As regards the paint, unless it has a high lead content it will cause no harm. High lead content paints are no longer in use. So again you have no cause for worry.