These uses have been tested in humans or animals. Safety and
effectiveness have not always been proven. Some of these
conditions are potentially serious, and should be evaluated by a
qualified healthcare provider. Weight lossEphedra contains the
chemical ephedrine, which appears to cause weight loss when used
in combination with caffeine, based on the available scientific
evidence. The results of research on ephedrine alone without
caffeine are unclear. The amounts of ephedrine in commercially
available products have varied widely. Other weight loss
treatments have been more commonly recommended due to
significant safety concerns with combination products containing
ephedra and caffeine. Bronchodilator (asthma)Ephedra contains
the chemicals ephedrine and pseudoephedrine, which are
bronchodilators (expand the airways to assist in easier
breathing). It has been used and studied to treat asthma and
chronic obstructive pulmonary disease in both children and
adults. Other treatments, such as beta-agonist inhalers