[STPainmaker]

The issue of cross reactivity NYCSkin brought up is definitely an issue but with respect to the stimulant part of advair and the short acting albuterol inhaler thomas took.
There is a definite known cross reactivity in certain test kits between Clenbuterol which they tested for and is considered a drug of abuse and the medication he takes as a rescue medicine for asthma albuterol.

This in my opinion means that either Mr. Thomas needs to get better medical/legal representation or the NFL further confirmed with a more specific test he actually was taking Clenbuterol. I feel it is most likely the former.