Boils from last 1 year. In 10-15days!

Doctors i am facing issue of boils on different places of lower body (mostly in thigh and toe) from last one year. Consulted to physician as well as dermatologist been on antibiotics from last one year but still boils are not getting away. I also been on rifamcin together with antibiotics for 45 days two times but my boils use to come just after 10-15 days of stopping antibiotics. Dermatologist also prescribed me for homeoglobin and sugar test they all were normal and also boils only appears in lower body but at different place. I am also taking safi and one herbal antibiotic but still they are coming. Please help me i am very fed up with this can't go or wear shoes most of the time. Idk to whom to consult a dermatologist or physician because no one is able to figure out my problem. Please show me the ryt way because i am afraid of beign on antibiotics from so long. I discontinued medicines 4-5 times after completing cpurse but they always come back in 10-15days