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Cochrane Database of Systematic Reviews: Plain Language Summaries [Internet]. Chichester, UK: John Wiley & Sons, Ltd; 2003-. doi: 10.1002/14651858.CD004404.pub3

Cochrane Database of Systematic Reviews: Plain Language Summaries [Internet].

Antibiotics for whooping cough (pertussis)

First published: July 18, 2007.

Link to full article: [Cochrane Library]

Plain language summary

Whooping cough is a highly contagious disease caused by pertussis bacteria and may lead to death, particularly in infants less than 12 months of age. Although it can be prevented by routine vaccination, it still affects many people. Thirteen trials involving 2197 participants were included in this review. We found that several antibiotic treatments were equally effective in eliminating the bacteria infecting patients, but they did not alter the clinical outcome. There was insufficient evidence to decide whether there is benefit for treating healthy contacts. Side effects were reported with antibiotics and they varied from one antibiotic to another. The result of the review should be interpreted with caution since this review is based on a limited number of trials and some of these trials involved small numbers of participants.


Background: Whooping cough is a highly contagious respiratory disease. Infants are at highest risk of severe disease and death. Erythromycin for 14 days is currently recommended for treatment and contact prophylaxis but its benefit is uncertain.

Objectives: To assess the risks and benefits of antibiotic treatment of and contact prophylaxis against whooping cough in children and adults.

Search methods: We searched the Cochrane Central Register of Controlled Trials (CENTRAL Issue 4, 2010), which contains the Cochrane Acute Respiratory Infections Group's Specialised Register, the Database of Abstracts of Reviews of Effects (DARE Issue 4, 2010), MEDLINE (1966 to January Week 1, 2011) and EMBASE (1974 to 18 January 2011).

Selection criteria: Randomised controlled trials (RCTs) and quasi‐RCTs of antibiotics for treatment of and contact prophylaxis against whooping cough in children and adults.

Data collection and analysis: Three to four review authors independently extracted data and assessed the quality of each trial.

Main results: Thirteen trials with 2197 participants met the inclusion criteria: 11 trials investigated treatment regimens; two investigated prophylaxis regimens. The quality of the trials was variable. For eradicating Bordetella pertussis (B. pertussis) from the nasopharynx, short‐term antibiotics (azithromycin for three to five days, or clarithromycin or erythromycin for seven days) were as effective as long‐term (erythromycin for 10 to 14 days) (risk ratio (RR) 1.01; 95% confidence interval (CI) 0.98 to 1.04), but had fewer side effects (RR 0.66; 95% CI 0.52 to 0.83). Trimethoprim/sulphamethoxazole for seven days was also effective. Nor were there differences in clinical outcomes or microbiological relapse between short and long‐term antibiotics. For preventing infection by treating contacts older than six months of age, antibiotics did not significantly improve clinical symptoms, nor the number of cases developing culture‐positive B. pertussis. Side effects were reported with antibiotics and they varied from one antibiotic to another.

Authors' conclusions: Although antibiotics were effective in eliminating B. pertussis, they did not alter the subsequent clinical course of the illness. There is insufficient evidence to determine the benefits of prophylactic treatment of pertussis contacts.

Editorial Group: Cochrane Acute Respiratory Infections Group.

Publication status: Edited (no change to conclusions), comment added to review.

Citation: Altunaiji SM, Kukuruzovic RH, Curtis NC, Massie J. Antibiotics for whooping cough (pertussis). Cochrane Database of Systematic Reviews 2007, Issue 3. Art. No.: CD004404. DOI: 10.1002/14651858.CD004404.pub3. Link to Cochrane Library. [PubMed: 17636756]

Copyright © 2013 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd.

PMID: 17636756


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