My master gardener wife tells me to point you to this site for you southern fire ant education Everything you wanted to know about fire ants but were afraid to ask
Get some Adolph's meat tenderizer and use it on those ant bites to mitigate the protein based poison (only works if you use it right away when bitten) and then practrice staying away from ant mounds.

A positive attitude may not solve all your problems, but it will annoy enough people to make it worth the effort. Herm Albright (1876 - 1944)