Sandbox ID2

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Pathogens of Clinical Relevance

Bacteria – Gram-Positive Cocci

Bacteria – Gram-Positive Bacilli

  • Erysipeloid of Rosenbach (localized cutaneous infection)[1]
  • Diffuse cutaneous infection
  • Preferred regimen: As for localized infection
Note: Assess for endocarditis
  • Bacteremia or endocarditis
  • Preferred regimen: Penicillin G benzathine 2-4 MU IV q4h for 4-6 weeks
  • Alternative regimen (1): Ceftriaxone 2 g IV q24h for 4-6 weeks
  • Alternative regimen (2): Imipenem 500 mg IV q6h for 4-6 weeks
  • Alternative regimen (3): Ciprofloxacin 400 mg IV q12h for 4-6 weeks
  • Alternative regimen (4): Daptomycin 6 mg/kg IV q24h for 4-6 weeks
Note: Recommended duration of therapy for endocarditis is 4 to 6 weeks, although shorter courses consisting of 2 weeks of intravenous therapy followed by 2 to 4 weeks of oral therapy have been successful.

Bacteria – Gram-Negative Cocci and Coccobacilli

Bacteria – Spirochetes

Bacteria – Gram-Negative Bacilli

  • Enteric flora
  • Non-fermenters

Bacteria – Atypical Organisms

  • Adult
  • Preferred regimen (1): Doxycycline 100 mg PO bid for 14-21 days
  • Preferred regimen (2): Tetracycline 250 mg PO qid for 14-21 days
  • Preferred regimen (3): Azithromycin 500 mg PO for once a day followed by 250 mg/day for 4 days
  • Preferred regimen (4): Clarithromycin 500 mg PO bid for 10 days
  • Preferred regimen (5): Levofloxacin 500 mg IV or PO qd for 7 to 14 days
  • Preferred regimen (6): Moxifloxacin 400 mg PO qd for 10 days.
  • Pediatric
  • Preferred regimen (1):Erythromycin suspension,PO 50 mg/kg per day for 10 to 14 days
  • Preferred regimen (2):Clarithromycin suspension, 15 mg/kg per day for10 days
  • Preferred regimen (3): Azithromycin suspension, PO 10 mg/kg once on the first day, followed by 5 mg/kg qd daily for 4 days
  • Upper respiratory tract infection[3]
  • Bronchitis
  • Antibiotic therapy for C. pneumoniae is not required.
  • Pharyngitis
  • Antibiotic therapy for C. pneumoniae is not required.
  • Sinusitis
  • Antibiotic therapy is advisable if symptoms remain beyond 7-10 days.
  • Adult
  • Pediatric
  • Preferred regimen: Azithromycin
  • Alternative regimen: fluoroquinolones
  • Pregnant Patients
  • Preferred regimen : Azithromycin
  • Alternative regimen: fluoroquinolones
  • Endocarditis in valve replacement patients
  • Preferred regimen : Doxycycline
  • Alternative regimen : fluoroquinolones.

Bacteria – Miscellaneous

Bacteria – Anaerobic Gram-Negative Bacilli

Fungi

  • Preferred regimen(1): Griseofulvin 10-20 mg/kg/day for minimum 6 weeks
  • Preferred regimen(2): Itraconazole 4-6 mg/kg pulsed dose weekly
  • Preferred regimen(3): Terbinafine if <20 kg: 62.5 mg/day, if 20-40 kg: 125 mg/day, if >40 kg: 250 mg/day
  • Small, well-defined lesions
  • Larger lesionss
  • Athlete's foot
  • Interdigital
  • “Dry type”
  • Preferred regimen: Terbinafine 250 mg/day PO for 2-4 weeks OR Itraconazole 400 mg/day PO for 1 week per month (repeated if necessary) OR Fluconazole 200 mg PO weekly for 4-8 weeks

Mycobacteria

Parasites – Intestinal Protozoa

Parasites – Extraintestinal Protozoa

Parasites – Intestinal Nematodes (Roundworms)

Parasites – Extraintestinal Nematodes (Roundworms)

Parasites – Trematodes (Flukes)

Parasites – Cestodes (Tapeworms)

Parasites – Ectoparasites

Viruses

References

  1. ↑ Bartlett, John (2012). Johns Hopkins ABX guide : diagnosis and treatment of infectious diseases. Burlington, MA: Jones and Bartlett Learning. ISBN 978-1449625580.
  2. ↑ Bennett, John (2015). Mandell, Douglas, and Bennett's principles and practice of infectious diseases. Philadelphia, PA: Elsevier/Saunders. ISBN 978-1455748013.
  3. ↑ Bartlett, John (2012). Johns Hopkins ABX guide : diagnosis and treatment of infectious diseases. Burlington, MA: Jones and Bartlett Learning. ISBN 978-1449625580.
  4. ↑ Bennett, John (2015). Mandell, Douglas, and Bennett's principles and practice of infectious diseases. Philadelphia, PA: Elsevier/Saunders. ISBN 978-1455748013.
  5. ↑ Bennett, John (2015). Mandell, Douglas, and Bennett's principles and practice of infectious diseases. Philadelphia, PA: Elsevier/Saunders. ISBN 978-1455748013.
  6. ↑ Bennett, John (2015). Mandell, Douglas, and Bennett's principles and practice of infectious diseases. Philadelphia, PA: Elsevier/Saunders. ISBN 978-1455748013.
  7. ↑ Bennett, John (2015). Mandell, Douglas, and Bennett's principles and practice of infectious diseases. Philadelphia, PA: Elsevier/Saunders. ISBN 978-1455748013.
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