Meridia is used together with diet and exercise to treat obesity that may be related to diabetes, high cholesterol, or high blood pressure.
Meridia was prescribed to patients because it was shown to cause a modest amount of weight loss in the early trials
Ephedrine is used for temporary relief of shortness of breath, chest tightness, and wheezing due to bronchial asthma.
Ephedrine is a sympathomimetic drug with stimulant effect that acts on the central nervous system. Ephedrine acts by enhancing noradrenaline effect, increasing the systemic blood pressure, heart rate, muscle tone, blood glucose concentration, etc.