PGMEE, MRCS, USMLE, MBBS, MD/MS

Antibiotic Spectrums : Cheat sheet

Epomedicine May 20, 2020 No Comments

Last modified: May 20, 2020

Antibiotic coverage
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Gram positive and Gram negative

  1. Amoxicillin-clavulanate
  2. Tazobactam-piperacillin
  3. Carbapenem: Ertapenen, Imipenem, Meropenem
  4. Cefuroxime
  5. Cefotaxime
  6. Ceftriaxone

Anaerobes

  1. Amoxicillin-clavulanate
  2. Tazobactam-piperacillin
  3. Carbapenems
  4. Clindamycin
  5. Metronidazole

Pseudomonas

  1. Tazobactam-piperacillin
  2. Carbapenems (except Ertapenem)
  3. Ceftazidime, Cefoperazone, Cefepime
  4. Gentamicin, Amikacin, Tobramycin
  5. Ciprofloxacin
  6. Colistin
  7. Aztreonam

Only gram positive

  1. Vancomycin
  2. Teicoplanin
  3. Linezolid
  4. Daptomycin

Only gram negative

  1. Ceftazidime
  2. Colistin
  3. Aztreonam

“Non-culturable” bacteria

  1. Macrolides: Erythromycin, Clarithromycin, Azithromycin
  2. Fluoroquinolones: Ciprofloxacin, Ofloxacin
  3. Doxycycline

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