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Review of Pharmacology - 9E (2015)

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Chemotherapy A: General Consideration and Non-specific Antimicrobial Agents<br />

7. Drugs Of Choice For Suspected or Proved Microbial Pathogens<br />

(Ref. CMDT, <strong>2015</strong>)<br />

Organism<br />

Gram-positive cocci<br />

Streptococcus<br />

Drug <strong>of</strong> Choice<br />

• S. pneumoniae • Penicillin G 1<br />

• Hemolytic, groups A, B, C, G • Penicillin G 1<br />

• S. viridans • Penicillin G 1, 2<br />

Staphylococcus<br />

• Non penicillinase producing • Penicillin G 1<br />

• Penicillinase producing • Penicillinase resistant penicillin (cloxa,<br />

oxa, naf or dicloxacillin)<br />

• Methicillin resistant (MRSA) • Vancomycin<br />

• Coagulase negative • Vancomycin<br />

Enterococcus<br />

• faecalis • Ampiillin 3<br />

• faecium • Vancomycin 3<br />

Gram-positive bacilli<br />

• Actinomyces • Penicillin G<br />

• Bacillus<br />

--<br />

Anthracis • Cipr<strong>of</strong>loxacin or Doxycycline<br />

--<br />

Cereus and others • Penicillin G<br />

• Clostridium • Pencillin G<br />

• Corynebacterium • Erythromycin 4<br />

• Listeria • Ampicillin 5<br />

Gram-negative cocci<br />

• Neisseria<br />

--<br />

meningitidis • Penicillin G<br />

--<br />

gonorrhae • Ceftriaxone + Azithromycin/Doxycycline<br />

• Moraxella • Fluoroquinolones<br />

Gram-negative bacilli<br />

• Campylobacter • Macrolides<br />

• Legionella • Macrolides<br />

• Bordetella • Macrolides<br />

• Brucella • Doxycyline + Rifampicin<br />

• Acinetobacter • Carbapenems<br />

• Hemophilus<br />

--<br />

Serious infections like meningitis • Ceftriaxone<br />

--<br />

Respiratory infections, otitis • Cotrimoxazole<br />

--<br />

Ducreyi (chancroid) • Azithromycin<br />

• Prevotella • Clindamycin<br />

• Bacteroides • Metronidazole<br />

• Pseudomonas • Anti-Pseudomonal b-lactam<br />

(piperacillin or ceftazidime or cefepime<br />

or imipenem) + Gentamicin<br />

Chemotherapy A: General Considerations <strong>Pharmacology</strong> and Non-specific...<br />

535<br />

https://kat.cr/user/Blink99/

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