Relapsing fever medical therapy: Difference between revisions

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{{Relapsing fever}}
{{Relapsing fever}}
{{CMG}}
{{CMG}}
==Overview==
The mainstay of therapy for Relapsing fever in adults includes either [[Erythromycin]], [[Tetracyclines]], [[Chloramphenicol]], or [[Penicillins]] for 7 days.  Intravenous [[Ceftriaxone]] is added if meningitis or encephalitis is present. 


==Medical Therapy==
==Medical Therapy==
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When initiating antibiotic therapy, a patient should be watched closely for a [[Jarisch-Herxheimer]] reaction for the first 4 hours after the antibiotic is given (Negussie, Remick et al. 1992).  The reaction may be difficult to distinguish from a febrile crisis, with rigors and decreased blood pressure.  Cooling blankets and appropriate use of antipyrectic agents may be indicated.  
When initiating antibiotic therapy, a patient should be watched closely for a [[Jarisch-Herxheimer]] reaction for the first 4 hours after the antibiotic is given (Negussie, Remick et al. 1992).  The reaction may be difficult to distinguish from a febrile crisis, with rigors and decreased blood pressure.  Cooling blankets and appropriate use of antipyrectic agents may be indicated.  
The Jarisch-Herxheimer reaction produces apprehension, [[diaphoresis]], fever, [[tachycardia]], and [[tachypnea]] with an initial pressor response followed rapidly by [[hypotension]]. Recent studies have shown that [[tumor necrosis factor-alpha]] (TNF-alpha) may be partly responsible for the reaction.
==== Acute Pharmacotherapies ====
The CDC has not developed specific treatment guidelines for TBRF.  Below are the treatment recommendations as outlined in Harrisons Principles of Internal Medicine. 16th edition. 2004. p 994.
[[Image:Treatment.jpg|left|Treatment]]
<ref>http://www.cdc.gov/ncidod/dvbid/RelapsingFever/RF_Treatment.htm
</ref>




*1. '''Tick-Borne Relapsing Fever''' <ref>{{cite book | last = Bartlett | first = John | title = Johns Hopkins ABX guide : diagnosis and treatment of infectious diseases | publisher = Jones and Bartlett Learning | location = Burlington, MA | year = 2012 | isbn = 978-1449625580 }}</ref>
:* Preferred regimen: [[Doxycycline]] 100 mg PO bid for 5-10 days
:* Alternative regimen: [[Erythromycin]] 500 mg PO qid for 5-10 days
:* Note: If meningitis/encephalitis present, use [[Ceftriaxone]] 2 g IV q12h for 14 days
*2. '''Louse-Borne Relapsing Fever'''
:* Preferred regimen: [[Tetracycline]] 500 mg PO single dose
:* Alternative regimen: [[Erythromycin]] 500 mg PO single dose


==Treatment==
==Treatment==

Revision as of 15:10, 12 August 2015

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

The mainstay of therapy for Relapsing fever in adults includes either Erythromycin, Tetracyclines, Chloramphenicol, or Penicillins for 7 days. Intravenous Ceftriaxone is added if meningitis or encephalitis is present.


Medical Therapy

Pharmacotherapy

Erythromycin, tetracyclines, chloramphenicol, or penicillins have all been shown to be effective for treating TBRF. Although duration of therapy has not been well studied for TBRF, the current recommendation is seven days of antibiotic therapy. In contrast, LBRF caused by B. recurrentis can be treated with a single dose of antibiotics.

For young children and pregnant women either erythromycin and/or penicillin are recommended for treatment of TBRF.

When initiating antibiotic therapy, a patient should be watched closely for a Jarisch-Herxheimer reaction for the first 4 hours after the antibiotic is given (Negussie, Remick et al. 1992). The reaction may be difficult to distinguish from a febrile crisis, with rigors and decreased blood pressure. Cooling blankets and appropriate use of antipyrectic agents may be indicated.


  • 1. Tick-Borne Relapsing Fever [1]
  • Preferred regimen: Doxycycline 100 mg PO bid for 5-10 days
  • Alternative regimen: Erythromycin 500 mg PO qid for 5-10 days
  • Note: If meningitis/encephalitis present, use Ceftriaxone 2 g IV q12h for 14 days
  • 2. Louse-Borne Relapsing Fever

Treatment

Antimicrobial regimen

  • 1. Tick-Borne Relapsing Fever [2]
  • Preferred regimen: Doxycycline 100 mg PO bid for 5-10 days
  • Alternative regimen: Erythromycin 500 mg PO qid for 5-10 days
  • Note: If meningitis/encephalitis present, use Ceftriaxone 2 g IV q12h for 14 days
  • 2. Louse-Borne Relapsing Fever

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. Bartlett, John (2012). Johns Hopkins ABX guide : diagnosis and treatment of infectious diseases. Burlington, MA: Jones and Bartlett Learning. ISBN 978-1449625580.

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