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Chronic cough

Chronic cough is a topic covered in the Diagnosaurus.

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  • Top 3 causes: postnasal drip, asthma, gastroesophageal reflux disease (GERD)

Don’t miss

  • Pertussis

Pulmonary infectious

  • Postviral
  • Bronchitis, especially in smokers
  • Bronchiectasis
  • Tuberculosis
  • Cystic fibrosis
  • Mycobacterium avium complex (MAC)
  • Pertussis
  • Mycoplasma
  • Chlamydia
  • Respiratory syncytial virus (RSV)
  • Parasites, eg, ascariasis, paragonimiasis

Pulmonary noninfectious

  • Asthma (cough-variant asthma)
  • Beta-blockers causing asthma
  • Chronic obstructive pulmonary disease (COPD)
  • ACE inhibitors
  • Irritant inhalation, eg, smoking
  • Endobronchial lesion, eg, tumor
  • Interstitial lung disease
  • Sarcoidosis
  • Chronic microaspiration


  • Gastroesophageal reflux disease (GERD)
  • Postnasal drip (allergic rhinitis)
  • Sinusitis
  • Congestive heart failure (CHF)
  • Laryngitis
  • Ear canal or tympanic membrane irritation
  • Psychogenic or habit cough

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Last updated: February 24, 2015


Zeiger, Roni F.. "Chronic Cough." Diagnosaurus, 4th ed., McGraw-Hill Education, 2015. Medicine Central, im.unboundmedicine.com/medicine/view/Diagnosaurus/114729/all/Chronic_cough.
Zeiger RF. Chronic cough. Diagnosaurus. 4th ed. McGraw-Hill Education; 2015. https://im.unboundmedicine.com/medicine/view/Diagnosaurus/114729/all/Chronic_cough. Accessed July 20, 2019.
Zeiger, R. F. (2015). Chronic cough. In Diagnosaurus. Available from https://im.unboundmedicine.com/medicine/view/Diagnosaurus/114729/all/Chronic_cough
Zeiger RF. Chronic Cough [Internet]. In: Diagnosaurus. McGraw-Hill Education; 2015. [cited 2019 July 20]. Available from: https://im.unboundmedicine.com/medicine/view/Diagnosaurus/114729/all/Chronic_cough.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Chronic cough ID - 114729 A1 - Zeiger,Roni F, Y1 - 2015/02/24/ BT - Diagnosaurus UR - https://im.unboundmedicine.com/medicine/view/Diagnosaurus/114729/all/Chronic_cough PB - McGraw-Hill Education ET - 4 DB - Medicine Central DP - Unbound Medicine ER -