FDA imposes new rules for long-acting asthma drugs.  Recent studies show that long-term use of LABAs alone may make asthma symptoms worse, not better.
D000280:Administration, Inhalation; D000305:Adrenal Cortex Hormones / Q000008:administration & dosage; D000318:Adrenergic beta-Agonists / Q000008:administration & dosage* / Q000009:adverse effects; D001249:Asthma / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D004359:Drug Therapy, Combination; D006801:Humans; D017410:Practice Guidelines as Topic; D014481:United States; D014486:United States Food and Drug Administration
D000305:Adrenal Cortex Hormones; D000318:Adrenergic beta-Agonists