How To Treat Pus Filled Lymph Nodes?

am Srinivas, 7 years lymphnodes found in my left auxillary, took FNAC it revelead `Consistent with caseating tissued of kochs adentis, doctor told me to use medicine for 6 months but i used 3 months and stopped,after 2 years lymphnodes enlarged and filled with puss went to doctor he take the puss with syringe and sent it for culture test it revelead resested, 6 months back i consult doctor for heavy cough am using medicine R-cinex with bplex tablet