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which kinds of diseases could cause someone to fail this test, but not respond to asthma medications.

2006-11-02 05:16:07 · 4 answers · asked by owned by a siberian husky 4 in Health Diseases & Conditions Respiratory Diseases

4 answers

Allergic rhinitis (AR), Cystic Fibrosis (CF), Congestive Heart Failure (CHF), Chronic Obstructive Pulmonary Disease (COPD), and Bronchitis can all give a FALSELY POSITIVE methacholine challenge test.

So, you could have one of these above that made you "fail" the methacholine test if you don't have asthma.

However, you may have asthma and just aren't taking the right asthma medications...

Or you might have a combination of problems going on, in addition to asthma. Thus treating the mild asthma does not get at the other problems (so you have symptoms despite treating the asthma).

Or, the test may have just given a wrong result (they are not 100% precise and accurate; i.e. sensitivity for the test is only 85%).

A pulmonologist could do further testing and help more...

2006-11-02 05:33:22 · answer #1 · answered by yachadhoo 6 · 3 0

2

2016-07-27 07:22:21 · answer #2 · answered by Carol 3 · 0 0

Trust me in this-Im a breathing pupil and I realize plenty approximately what you are attempting to determine. To your first query-sure. Several matters can motive bronchial asthma and bronchial asthma assaults reminiscent of allergic reactions, colds, bloodless air, pastime, ect. This is a reality- When you are having an bronchial asthma assault and so they take an x-ray, it's going to appear cloudy and irregular on the grounds that of bronchospasms and mucus. BUT in the event that they take an x-ray whilst you are NOT having an bronchial asthma assault, it's going to appear completly common. So the motive why your general practitioner is taking an x-ray is to look you probably have pneumonia; no longer bronchial asthma. The nebulizer cures all rely on what variety of meds are in it. Usually for an asthmatic sufferer, we deliver albuterol and atrovent. They are speedy performing bronchodilators and relying on how extreme the assault is, you can also need to have SEVERAL updrafts. If you do have pneumonia, the xray will exhibit it and the motive why your anti-biotics did not support was once on the grounds that they might not be powerful ample or your peumonia might me so extreme that it should require greater than oral antibiotics reminiscent of IV meds, and chest healing(to calm down secretions). Hope this is helping.

2016-09-01 06:07:34 · answer #3 · answered by ? 4 · 0 0

It is actually called a METHACHOLINE Challenge Test.

2006-11-02 07:39:10 · answer #4 · answered by Anonymous · 0 2

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