The invention relates to the field of pharmacology and medicine, and specifically to novel pharmaceutical compositions and pharmaceutical kits for treating bacterial infections and a novel method for treating diseases associated with bacterial infections, including tuberculosis. What are proposed are: a pharmaceutical composition, consisting of rifamycin and an interferon inductor in pharmacologically effective doses, and also a pharmaceutical kit for treating diseases caused by bacterial and hospital-acquired infections, said kit consisting of pharmacologically effective doses of rifamycin in the form of tablets, capsules or injections, an interferon inductor in the form of tablets, capsules or injections, and instructions for administering the components of said pharmaceutical kit.