IT IS SIMILAR TO STREPTOMYCIN IN ALL RESPECTS INCLUDING INEFFICACY AGAINST PSEUDOMONAS. HOWEVER IT IS MORE TOXIC BOTH TO THE COCHIEA AND TO KIDNEY. IT HAS BEEN USED FOR STREPTOMYCIN TO RESISTANT GRAM-NEGATIVE BACILLARY INFECTIONS AND IN TUBERCULOSIS ACTIVE AGAINST SHIGELLA, KLEBSIELLA, E.COLI, SERRATIA MERCESCENS, PROTEUS, MANY STRAINS OF STAPHYLOCOCCUS.