Do you have asthma?

FDA issues warning to users of asthma drug salmeterol (Seravent Inhalation Aerosol, Serevent Diskus, and Advair Diskus)

Keep in mind that they say abruptly stopping a steroid can also be dangerous. But check out the story, and talk to your doctor if you're taking these medicines. The potential problems seem to have greater incidence in those of African descent.