Last reviewed: 2 Feb 2021
Last updated: 07 Apr 2020
Summary
Definition
History and exam
Key diagnostic factors
- presence of risk factors
- cough
- inspiratory whooping
- rhinorrhoea
- post-tussive vomiting
Other diagnostic factors
- sneezing
- absent or low-grade fever
- decreased appetite
- apnoea
Risk factors
- age <6 months
- baby born to mother who became infected at ≥34 weeks gestation
- no or incomplete immunisation
- school teachers or healthcare workers (transmission)
- close contact with an infected person, especially a sibling
- household contact with an infected person
Diagnostic investigations
1st investigations to order
- culture of a nasopharyngeal aspirate or swab from the posterior nasopharynx
- PCR of nasopharyngeal aspirate
- serology
- FBC
Treatment algorithm
Contributors
Authors
Senior Research Scientist
Academic Health Center
University of Minnesota
Twin Cities Campus
Minneapolis
MN
Disclosures
MNL declares that she has no competing interests.
Clinical Assistant Professor
Department of Family and Community Medicine
University of Illinois-Chicago
College of Medicine
Chicago
IL
Disclosures
CSA declares that she has no competing interests.
Peer reviewers
Department of Pediatrics
Hospital of Vestfold
Toensberg
Norway
Disclosures
AFL declares that she has no competing interests.
Pediatric Consultant
Alberta Children's Hospital
University of Calgary
Alberta
Canada
Disclosures
AKCL declares that he has no competing interests.
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