Abstract Background Antimicrobial resistance among Enterobacteriaceae poses a significant global threat. particularly in developing countries. Colistin. a critical last-resort treatment for infections caused by carbapenem-resistant and multidrug-resistant strains. https://www.bekindtopets.com/super-pick-Rx-Quadruple-Topical-Ointment-Quadritrop-for-Dogs-Cats-30-mL-super-grab/