Definition: Controller medicines are asthma medicines you take once or twice a day every day (as prescribed) to control and prevent asthma symptoms.
Controller medicines come in a variety of formats, but inhaled steroids are the most effective type. Other types include:
- Leukotriene modifiers[link]
- [link url=http://asthma.about.com/od/medicationguid1/p/LABA-Asthmeds.htm]Long-Acting Beta Agonists
- Immunomodulators
Source: Medline Plus
Also Known As: long-term medicines, preventive asthma medicines
Examples: Common examples are Budesonide, Advair[link], [link url=http://asthma.about.com/lw/Health-Medicine/Drugs-and-treatments/All-About-Xolair-Omalizumab-.htm]Xolair, Serevent, and Singulair.

