What are indications for methacholine challenge testing?

Updated: May 14, 2020
  • Author: Kevin McCarthy, RPFT; Chief Editor: Nader Kamangar, MD, FACP, FCCP, FCCM  more...
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It is used diagnose asthma, confirm a diagnosis of asthma, document the severity of hyperresponsiveness, and follow changes in hyperresponsiveness. [15]

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