The invention relates to pharmacology and medicine, more particularly to novel pharmaceutical compositions and pharmaceutical kits for treating bacterial infections, and to novel method for treating diseases caused by bacterial infections including tuberculosis. The pharmaceutical composition is disclosed comprising Rifamycin and interferon inducer in pharmacologically effective doses, and also pharmaceutical kit for treating diseases caused by bacterial and healthcare acquired infections, comprising pharmacologically effective doses of Rifamycin in the form of a tablet, a capsule or an injection, interferon inducer in the form of a tablet, a capsule or an injection, and instruction for administration of the components of this pharmaceutical kit.