Zyflo is a drug that is under the generic name of Zileuton. Zyflo is a leukotriene inhibitor. Leukotrienes are chemicals that is released by the body when you inhale allergen. An example of allergen is pollen. These chemicals are known to cause swelling in the lungs and can tighten your muscles around the airways thus resulting to symptoms of asthma.
Drug Name: Zyflo
Generic name: Zileuton