Serevent is used to treat wheezing, shortness of breath, and troubled breathing caused by asthma and chronic obstructive pulmonary disease (COPD), a group of lung diseases that includes chronic bronchitis and emphysema. It also is used to prevent bronchospasm (breathing difficulties) during exercise.
Cautions:
SIDE EFFECTS that may occur while taking this medication includes shaking hands that you cannot control, headache, nervousness, dizziness, cough, muscle pain or cramps, sore throat and throat irritation.
The FDA, due to the current state of their regulations, has taken the position that virtually all shipments of prescription drugs imported from a Canadian pharmacy by a U.S. consumer will violate the law.
Serevent Inhaler (Salmeterol) 
