Usage examples (6)

• As with all upper respiratory congestion of the lungs and sinuses, Chinese ephedra, also popularly known as mahuang, is very effective.
• The primary active ingredient of mahuang is Ephedra.
• However, for conditions such as allergic rhinitis, asthma, emphysema, and other upper respiratory problems, mahuang works.
• Its most active -- and controversial -- ingredients are two stimulants: 40 milligrams of caffeine (about what you get in a shot of espresso) and 12 milligrams of ephedra, which...