Theophylline/ephedra/hydroxyzine (trade name Marax) is a drug that was used for the treatment of asthma. It was a combination of theophylline, ephedra, and hydroxyzine, and taken by mouth.Marax . Accessed 23 April 2021. It is no longer manufactured in the US due to approval of ephedra being withdrawn by the FDA.
See also Theophylline/ephedrine
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