• JAMA · Feb 2015

    Comment

    Echinacea for preventing and treating the common cold.

    • Marlies Karsch-Völk, Bruce Barrett, and Klaus Linde.
    • Institute of General Practice, Technische Universität München, Klinikum rechts der Isar, München, Germany.
    • JAMA. 2015 Feb 10;313(6):618-9.

    Clinical QuestionAre Echinacea products associated with a reduced incidence and a shorter duration of common colds compared with placebo?Bottom LineIndividual 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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