Condition Treated: Used to prevent the symptoms of asthma (wheezing and shortness of breath). It is a steroid and is known as a "preventer". You need to have a fast-acting “reliever” as well because this medicine will not stop an asthma attack that has already started.
Usage: This medicine must be used regularly to be effective
Side Effects: irritation in the throat, difficulty swallowing, headache, and indigestion.