Which of the following beta-lactam antibiotics can be safely used in a patient with a history of allergy to penicillins?
Ans. (A) Aztreonam(Ref: KDT 8/e p781)Aztreonam is the only beta lactam antibiotic that can be used in patients having severe allergy to penicillins or cephalosporins (as it is not cross allergenic).
Aztreonam
Cefepime
Loracarbef
Ceftriaxone
Chemotherapy: General Principles