treating red leg

[CONCEPT03]

i have determined double j was right it is a red leg infetion, i have one dumpy showing all the signs, one cuban showing the signs and one cuban NOT showing signs, i bought 3 rubbermaids one for each and i read alot of info on red leg and decided im going to try to use a 2 percent iodine solution to try and cure this. i would prefer to use tetracycline but i have tried everywhere i i cannot find an oral form of it, please i need suggestions here. what more can i do