1 doctor weighed in:
How long will the methacholine challenge usually take?
1 doctor weighed in

Dr. Robert Ramirez
Internal Medicine - Allergy & Immunology
In brief: Less than 1hr
Less than 1 hr. 30min is about average, depending on how efficient the staff performing the test is in setting up each step, etc.
It also depends on whether you have a positive result early vs towards to the end of the test.

In brief: Less than 1hr
Less than 1 hr. 30min is about average, depending on how efficient the staff performing the test is in setting up each step, etc.
It also depends on whether you have a positive result early vs towards to the end of the test.
Dr. Robert Ramirez
Dr. Robert Ramirez
Thank
Get help from a real doctor now
Dr. Steven Seres
Board Certified,
17 years in practice
497K people helped
Continue
107,000 doctors available
Read more answers from doctors