Yeah, the Mehtocoline chalenge test (I think I spell that wrong)...my allergist said it was the proof and the answer of yes or no in regards to Asthma. As for the development on Asmatha at 25 I don't know...but I developed it over the last few months (I'm 18 now...)
keeping a record of peak flow variations can be useful in determining whether you have asthma or not, as can a reversibility test or a challenge. No one test can determine if you have asthma or not, as all of them can give false negatives.
Yes, this can happen and the only way I found out at the age 28 was the methacoline (Sp??)challenge as well. I was hosptialized for two weeks and underwent every test possible and nothing showed up until I had that test.
Yeah...I dind't mean to make it sound like that was the only test...if I did, I apologize. My doctor told me since all my PFs looked good, they wanted to do the Methacoline chelenge, and it would be a strong sugestion of a yes or no answer for them in regards to me...sorry for the confusion there.