CONCURRENT USE OF OTHER NEPHROTOXIC DRUGS, INCLUDING OTHER AMINOGLYCOSIDES, VANCOMYCIN, SOME OF THE CEPHALOSPORINS, CYCLOSPORIN, AND CISPLATIN, OR POTENTIALLY OTOTOXIC DRUGS SUCH AS ETHACRYNIC ACID AND PERHAPS FRUSEMIDE, MAY INCREASE THE RISK OF AMINOGLYCOSIDE TOXICITY. SHOULD NOT BE MIXED WITH OTHER ANTIBIOTICS LIKE AMPICILLIN, AMPHOTERICIN, CEFAPERIN, CEPHALOTHINE, CHLOROTHIAZIDE, ERYTHROMYCIN,HEPARIN, NITROFURANTOIN, NOVOBIOCIN, PHENYTOIN, SULPHADIAZINE,
CARBENICILLIN. PARENTERAL ADMINISTRATION OF MAG. SALT POTENTIATE THE EFFECTS OF NEUROMUSCULAR BLOCKING AGENTS.