An antibiotic treats severe or serious bacterial infections in different parts of the body. An antibacterial medication that is used in intensive care units for the treatment of patients with life-threatening Gram-negative infections. (Amélie Marsot, 2017) Possesses broad-spectrum activity against most gram-negative bacilli. (M Valdivieso, 1977) An important addition to the antibiotic armamentarium of a hospital with high gentamicin or tobramycin resistance. (F D Pien, 1981) An effective therapy for gram-negative bacteremia, even in seriously ill patients with gentamicin-resistant pathogens. (F P Tally, 1977) More effective than gentamicin, tobramycin, and sisomicin in case of infections with Klebsiella, Proteus species, Pseudomonas strains, and Enterobacter. (Jotzoff, 1978)