my five years old boy got dtp booster vaccine on 1 st july.....now today 4th july..... swelling is not improved.....how many days swelling last.....but there is no pain he can easily moves his hand ......

A. Usually within a day or two the swelling goes if you take proper care by applying ice cube and also you apply Thermophob since the fourth has passed three days already you can check with your doctor once