Pertussis (whooping cough)

DDx

  • Viral or bacterial pneumonia
  • Asthma
  • Other causes of chronic cough in adults, eg, postnasal drip, gastroesophageal reflux disease (GERD), tuberculosis, Mycobacterium avium complex (MAC)
  • Bronchiolitis, eg, respiratory syncytial virus (children)
  • Croup (children)
  • Infectious mononucleosis (both may have atypical lymphocytosis)

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Last updated: December 1, 2014