Military Medicine 2008-Jul
Vasospasm and stroke attributable to ephedra-free xenadrine: case report.
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Abstract
Following the 2004 ban of ephedra, which was linked to several cases of stroke and myocardial infarction, manufacturers have marketed "ephedra-free" weight loss products that include the active ingredient synephrine. Despite the lack of data on safety and efficacy, synephrine is touted by its promoters as a "safe" alternative to ephedra and is often combined with caffeine, as in the supplement Xenadrine-EFX. We report a case of left middle cerebral artery vasopasm and stroke in a young healthy patient in the setting of Xenadrine-EFX use.