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joint firChinese and Herbal medicine
A shrub, the stem of which contains ephedrine, which is a bronchodilator, diaphoretic, diuretic and vasoconstrictor; it is used to treat asthma, bronchitis, fever, fluid retention, hypotension, paraesthesias, to stimulate the central nervous system and to suppress the appetite.
Ephedra should not be used in patients with cardiac or thyroid disease, diabetes or hypertension.
n See ephedra.