Zileuton may cause stomach upset. Your physician may want to monitor how well your liver is working while you are taking zileuton. Notes Leukotriene modifiers cannot be used to stop an asthma episode once it has started. Leukotriene modifiers may be particularly effective in individuals with aspirin-sensitive asthma. They can be used as the initial controller medication in mild, persistent asthma.
Some leukotriene agents can interact with other medications.
Make sure you talk to your physician before starting any new medication. Corticosteroids Action Corticosteroids are anti-inflammatory medications that prevent and reduce swelling inside the airways and decrease the amount of mucus in the lungs. Inhaled corticosteroids are taken with a metered-dose inhaler. When taken at the proper doses, they are safe medications that work well for patients with moderate or severe, persistent asthma. They reduce the sensitivity of the airways to triggers, prevent swelling of the airways, and allow inhaled bronchoddilators to work better.