Which of the following drugs is effective against Pseudomonas infection ?: (A) Ampicillin, (B) Ceftriaxone, (C) Colistin, (D) Cefixime
Answer is C. Ans. is 'c' i.e., Colistin o Polypeptides like colistin and polymyxin B are effective against pseudomonas. o Carbenicillin, ticarcillin, piperacillin, azlocillin and mezlocillin are the penicillins effective against pseudomonas whereas cefoperazone, ceftazidime, cefepime and cefpirome are cephalosporins effective against pseudomonas.