Cephalosporins Flashcards
Clinical uses
Hospital acquired pneumonias Meningitis Sepsis Gonorrhea Acute UTI
First generation
Cephalexin
Cefazolin
Second generation
Cefaclor
Cefuroxime
Structurally related cephamycins : cefoxitin
Third generation
Ceftotaxime
Ceftriaxone
Ceftazidmine
Fourth generation
Cefepime
Cefazolin ; first generation
Surgical prophylaxis
Penetrates most tissues
Sensitive to b-lactamase
Second generation
Cefaclor
Cefuroxime active against
Gram negative aerobic organisms
Cefoxitin ; second generation
active against
Anaerobes
Cefuroxime ; second generation
Crosses BBB , not used for meningitis
Active against P aeureginosa
Ceftazidmine ; third generation
Gonorrhea
Meningitis but not caused by listeria monocytogens
+ aminoglycosides for p aeurginosa meningitis
Ceftriaxone ; third generation
Cefepime ; fourth generation
Gram negative
Gram positive
Gram negative that are resistant