Unexplained
chronic cough (UCC) causes significant impairments in quality of life.
Effective assessment and treatment approaches are needed for UCC.
Summary of Recommendations and Suggestions
1.
In adult patients with chronic cough, we suggest that unexplained
chronic cough be defined as a cough that persists longer than 8 weeks,
and remains unexplained after investigation, and supervised therapeutic
trial(s) conducted according to published best-practice guidelines (Ungraded Consensus-Based Statement).
2.
In adult patients with chronic cough, we suggest that patients with
chronic cough undergo a guideline/protocol based assessment process that
includes objective testing for bronchial hyperresponsiveness and
eosinophilic bronchitis, or a therapeutic corticosteroid trial (Ungraded Consensus-Based Statement).
3. In adult patients with unexplained chronic cough, we suggest a therapeutic trial of multimodality speech pathology therapy (Grade 2C).
4. In adult patientswith
unexplained chronic cough and negative tests for bronchial
hyperresponsiveness and eosinophilia (sputum eosinophils, exhaled nitric
oxide), we suggest that inhaled corticosteroids not be prescribed (Grade 2B).
5. Inadult
patients with unexplained chronic cough, we suggest a therapeutic trial
of gabapentin as long as the potential side effects and the
risk-benefit profile are discussed with patients before use of the
medication, and there is a reassessment of the risk-benefit profile at
6 months before continuing the drug (Grade 2C).
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