I need to get a methacholine challenge test to evaluate my asthma. Has anyone here done it before? the online description worries me a bit so I definitely want to know more on what's going to happen
Wow, learn something new every day. I haven't hear of this test but my ashma diagnosis is newer then yours. After reading about it, I am assuming that my doctor has never suggested this test for me because my baseline on the spirometry test is usually about 40% which he says is lower then he would like. I do take 3 different ashma meds daily and am still between 40% and 50% baseline every time I go in. The test is trying to test how much (if any) change in breathing capacity happens with each dose of the methacholine drug. It states that it is to see if there becomes a 20% or greater drop in your breathing ability. A positive test suggests that your airways are "reactive," and a diagnosis of asthma should be considered. A negative test means a diagnosis of asthma is unlikely. I don't think you should worry about the test due to the doctor having access to all the meds to open you back up if you do drop in breathing capacity.
thank you. Still sounds concerning that my breathing capacity will likely drop (I've had asthma all my life and it's been worse and worse since I was super sick in 2015. Covid def didnt help either) but at 20% less capacity not sure I'd feel differently than when I was super sick. Like 80% drop would be terrifying but maybe 20% isn't too bad?
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AzarathMetrion
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I need to get a methacholine challenge test to evaluate my asthma. Has anyone here done it before? the online description worries me a bit so I definitely want to know more on what's going to happen
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BinoVert
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☝ This content is generated by our users and it is not a substitute for professional medical advice. Please consult with your physician before making any medical decision