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A member asked:
How accurate is the methacholine challenge test for asthma?
A doctor has provided 1 answer
Pretty good: The test is fairly accurate. A common cold within 6 weeks before the test can cause a false positive. Many people with nasal allergies will have a positive test in season and a negative test outside the season.
Answered 6/23/2018
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Related Questions
A member asked:
Had a methacholine test. I reacted with cough & wheezing & tightness.Only dropped 12% the whole time & went the whole 5 doses. Dr says neg 4 asthma?
A doctor has provided 1 answer
A member asked:
Was told I have no asthma (per methacholine test), just vocal cord dysfunction. Albuterol relieved difficulty breathing in, in less than 5 min. Why?
A doctor has provided 1 answer
A member asked:
Is it still possible to have asthma with a neg methcholine challange? What if cellular changes indicating asthma is seen on bronchoscopy?
6 doctors weighed in across 2 answers
A member asked:
Did methocholine challenge and only dropped 12%. Dr says negative for asthma. How accurate is test? Did pft as well and was normal.
A doctor has provided 1 answer
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