hi doc.... my boy, by 26th, he will be 4months old... on second time vaccine i.e., when he is in 3rd month... he had vaccine. that time i gave him ice pack... but the medicine became hard on the right leg... and very light green spot is there... i went to doc, he gave thromophobe ointment to apply, but it didnt show any difference and it is hard now also after another vaccine... what to do