臨床上使用的抗生素藥物百百種，
許多人無法正確選擇使用的種類與劑量，
所謂的亂槍打鳥，常有的事發生。
再次感謝感染科的講師整理出驚人易懂的法則。
Antibiotic spectrum
Cephalosporins
Penicillins
Carbapenems
Quinolones
Aminoglycosides
Glycopeptides

Cephalosporins

1st
2nd
3rd
4th
above
below
Cefa
Velocef
(Cefazolin)
Zinacef
(cefuroxime)
CMZ
Mefoxin
(cefoxitin)
Pansporin
(cefotiam)
Rocephin
(ceftriaxone)
Claforan
(cefotaxime)
Flumarin
(Flumocef)
Fortum
(ceftazidime)
Maxipime
(cefepime)
Cefrom
(cefpirome)
GPC
©©©
©©
©©
©©
x
©©
MRSA
x
x
x
x
x
x
GNB
©
©©
©©
©©©
©©©
©©©
Pseudomonas
x
x
x
x
©©©
©©©
Anaerobes
x
x
©©
x
x
x

Penicillins 
1st
2nd
3rd
Penicillin
Ampicillin
Amoxicillin
Oxacillin
Unasyn
(ampicillin/sulbactam)
Augmentin (amoxicillin/clavulanate)
Tazocin
(piperacillin/tazobactam)
Timentin
(ticarcillin/clavulanate)
GPC
©©©
©©©
©©©
MRSA
X
x
X
GNB
x
©©
©©©
Pseudomonas
x
x
©
Anaerobes
x
©©
©©

Carbapenems  
  
Tienem
(imepenem)
Mepem
(meropenem)
Azactam (aztreonem)
Invanz
(ertapenem)
GPC
©©©
x
©©©
MRSA
x
x
x
GNB
©©©
©©©
©©© (ESBL)
Pseudomonas
©©©
©©©
x
Anaerobes
©©©
x
©©©

Quinolones 
Cipro
(Ciprofloxacin)
Cravit
(levofloxacin)
Avelox
(moxifloxacin)
GPC
x
©©
MRSA
X
X
GNB
©©©
©©©
Pseudomonas
©
X
Anaerobes
x
©

Aminoglycosides 
 
Gentamicin
Tobramycin
Amikacin
Exacin (Isepamycin)
GPC
x
MRSA
X
GNB
©©©
Pseudomonas
©©
Anaerobes
x

Glycopeptides 
 
Vancomycin
Targocid (teicoplanin)
Zyvox (linezolid)
GPC
©©©
MRSA
©©©
GNB
x
Pseudomonas
x
Anaerobes
x