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The infection is treated with [[antibiotic]]s.  Remission of symptoms usually is evident within 48-72 hours. However, relapse can occur, and treatment must continue for at least 10-14 days after fever abates
The infection is treated with [[antibiotic]]s.  Remission of symptoms usually is evident within 48-72 hours. However, relapse can occur, and treatment must continue for at least 10-14 days after fever abates
==Medical Therapy==
==Medical Therapy==
*[[Tetracycline]]s and [[chloramphenicol]] are the drugs of choice for treating patients with psittacosis.  
===Antimicrobial Regimen===
*Most persons respond to:
 
**Oral therapy (100 mg of [[doxycycline]] administered twice a day.
:* 1. ''' Psittacosis '''<ref>{{cite book | last = Bennett | first = John | title = Mandell, Douglas, and Bennett's principles and practice of infectious diseases | publisher = Elsevier/Saunders | location = Philadelphia, PA | year = 2015 | isbn = 978-1455748013 }}</ref>
**500 mg of [[tetracycline]] hydrochloride administered four times a day.
::* 1.1 '''Adult'''
**500 mg of [[chloramphenicol]] palmitate orally every 6 hours.  
:::* Preferred regimen (1): [[Doxycycline]] 100 mg PO bid for 10-21 days
*For initial treatment of '''severely ill''' patients, doxycycline cyclate may be administered [[intravenous]]ly at a dosage of 4.4 mg/kg (2 mg/lb) body weight per day divided into two infusions per day (up to 100 mg per dose).
:::* Preferred regimen (2): [[Tetracycline]] 500  mg PO qid for 10-21 days
*In past years, tetracycline hydrochloride has been administered to patients intravenously (10-15 mg/kg body weight per day divided into four doses per day).
:::* Alternative regimen: [[Minocycline]]
*Remission of symptoms usually is evident within 48-72 hours. However, relapse can occur, and treatment must continue for at least 10-14 days after fever abates.
::* 1.2 '''Pediatric'''
*Although its [[in vivo]] efficacy has not been determined, [[erythromycin]] probably is the best alternative agent for persons for whom tetracycline is contraindicated (''e.g.'', children aged less than 9 years and [[pregnant]] women).
:::* 1.2.1 '''Mild infection, Infants >3 months'''
::::* Preferred regimen: [[Azithromycin ]] 10 mg/kg PO qd on day 1 {{then}} 5 mg/kg PO q24h  for 4 days; (Maximum, 500 mg for 1st dose, 250 mg for subsequent doses)
:::* 1.2.2 '''Moderate-severe infection, Infants  >3 months'''
::::* Preferred regimen: [[Azithromycin ]] 10 mg/kg IV q24h for 2 days {{then}} 5 mg/kg PO qd for 3 days; (Maximum, 500 mg/dose IV; 250 mg/dose PO)
::* 1.3 '''Pregnant Patients'''
:::* Preferred regimen: [[Azithromycin ]] 500 mg PO on day 1 {{then}} by 250 mg qd on days 2-5  {{or}}  500 mg  IV as a single dose for at least 2 days, followed by 500 mg  PO qd  for 7- 10 days


==References==
==References==

Revision as of 12:55, 3 August 2015

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

Overview

The infection is treated with antibiotics. Remission of symptoms usually is evident within 48-72 hours. However, relapse can occur, and treatment must continue for at least 10-14 days after fever abates

Medical Therapy

Antimicrobial Regimen

  • 1. Psittacosis [1]
  • 1.1 Adult
  • 1.2 Pediatric
  • 1.2.1 Mild infection, Infants >3 months
  • Preferred regimen: Azithromycin 10 mg/kg PO qd on day 1 THEN 5 mg/kg PO q24h for 4 days; (Maximum, 500 mg for 1st dose, 250 mg for subsequent doses)
  • 1.2.2 Moderate-severe infection, Infants >3 months
  • Preferred regimen: Azithromycin 10 mg/kg IV q24h for 2 days THEN 5 mg/kg PO qd for 3 days; (Maximum, 500 mg/dose IV; 250 mg/dose PO)
  • 1.3 Pregnant Patients
  • Preferred regimen: Azithromycin 500 mg PO on day 1 THEN by 250 mg qd on days 2-5 OR 500 mg IV as a single dose for at least 2 days, followed by 500 mg PO qd for 7- 10 days

References

  1. 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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