<prompt> All are false about tigecycline, except:Dose reduction in renal failure90 pseudomonas strains are sensitiveOral and parenteral bioavailability is sameNot preferred in UTI  <response>: Ans. d. Not preferred in UTIRef: Goodman Gilman 12th eP 1523Tigecycline, doxycycline and minocycline are safe in renal failure.Tigecycline is active against gram negatives with the exception of pseudomonas, providencia, morganella and proteus.Tigecycline has poor bioavailability and hence is given only by parenteral route.Tigecycline is poorly concentrated in urine and hence should be avoided in treatment of urinary tract infection. 