Treatment of the Common Cold with Unrefined Echinacea

  1. Bruce P. Barrett, MD, PhD;
  2. Roger L. Brown, PhD;
  3. Kristin Locken, BA;
  4. Rob Maberry, BA;
  5. James A. Bobula, PhD; and
  6. Donn D'Alessio, MD
  1. From University of Wisconsin—Madison, Madison, Wisconsin.
    1. Figure 1.
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        Figure 1. Randomization and patient flow.
      • Figure 2. The dotted line represents the echinacea group; the solid line represents the placebo group.
        View larger version:
          Figure 2. The dotted line represents the echinacea group; the solid line represents the placebo group. Illness duration.
        • Figure 3. Dotted lines represent the echinacea group; solid lines represent the placebo group. Error bars represent 95% CIs. Although 95% CIs indicate the uncertainty of the severity of symptoms, they should not be used to compare symptom severity on any particular day.
          View larger version:
            Figure 3. Dotted lines represent the echinacea group; solid lines represent the placebo group. Error bars represent 95% CIs. Although 95% CIs indicate the uncertainty of the severity of symptoms, they should not be used to compare symptom severity on any particular day. Mean severity of global and general symptoms.
          • Figure 4. Dotted lines represent the echinacea group; solid lines represent the placebo group. Error bars represent 95% CIs. Although 95% CIs indicate the uncertainty of the severity of symptoms, they should not be used to compare symptom severity on any particular day.
            View larger version:
              Figure 4. Dotted lines represent the echinacea group; solid lines represent the placebo group. Error bars represent 95% CIs. Although 95% CIs indicate the uncertainty of the severity of symptoms, they should not be used to compare symptom severity on any particular day. Mean severity of specific cold symptoms.

            Summary for Patients

            • Summaries for Patients:Treatment of Colds with a Capsule Form of the Herb Echinacea Ann Intern Med December 17, 2002 137:I-18
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            This Article

            1. Ann Intern Med December 17, 2002 vol. 137 no. 12 939-946
            1. AbstractFREE
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              1. Summary for Patients

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