If you met the red ants (fire ants), prepare for war. Fire ant bites can cause severe allergic reactions and death. The best way to combat the red ant infestation - call exterminators, but it will be very expensive. Yes, they know how to do it using chemicals, which you can’t get in the free sale. But you can get rid of red ants yourself, using powerful insecticides and poisons - read about them in our review of fire ants killing products.