romeo had surgury and got bit by fleas @ the vet office. he didn't have any fleas on him because the k9advantix killed them, but he was itching because he was allergic to the fleas that bit him. he's allergic to flea bites. he went in flea free and came out with flea bites and skin irritation after surgury.
the point* your baby could be allergic to flea bites.