<prompt> Treatment of ventilator associated pneumonia VAP caused by MDR Acinetobacter baumannii is:Quinupristin and dalfopristinColistinLavendamycinTedizolid  <response>: Only 2 forms of polymyxin are in clinical use today- Polymyxin B :- Parenteral, ophthalmic, topical. - Polymyxin E Colistin:- Available as prodrug IV inhaled nebulizer Used as salvage therapy for multidrug resistant infection SE: - Nephrotoxicity- Neurotoxicity DalfopristinQuinuprostin:- Reserved for treatment of severe vancomycin- resistant Enterococcus faecium VRE in the absence of other therapeutic options. 