my son is 15months old ..we put him a vaccination in government he s suffering from leg pain and he can't able to sit crying a lot when it will be OK..is Der any home remedies and when it should be worried?

A. this is because of the vaccine please apply ice cube and you paracetamol for 2 to 3 days Further it is advisable to consult your local doctor for appropriate advice in this regard if there is need for investigations also