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JAMA Clinical Evidence Synopsis
February 10, 2015

Echinacea for Preventing and Treating the Common Cold

Author Affiliations
  • 1Institute of General Practice, Technische Universität München, Klinikum rechts der Isar, München, Germany
  • 2Department of Family Medicine, University of Wisconsin-Madison, Madison
JAMA. 2015;313(6):618-619. doi:10.1001/jama.2014.17145
Abstract

Clinical Question  Are Echinacea products associated with a reduced incidence and a shorter duration of common colds compared with placebo?

Bottom Line  Individual prophylaxis trials show no association with prevention of the common cold, but exploratory meta-analysis suggests that Echinacea products may be associated with a small reduction in cold incidence. In treatment trials, there was no association of Echinacea products with a shorter duration of colds.

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