Asmanex Twisthaler 120 Dose Side Effects: What is the ingredient in Asmanex that causes the weight gain? I

Asmanex Twisthaler 120 Dose Side Effects: What is the ingredient in Asmanex that causes the weight gain? I http://www.medications.com/effect/view/22260 What is the ingredient in Asmanex that causes the weight gain? Is this ingredient in all inhaled steroids like Asmanex?