Echinacea
Echinacea purpurea is an herb commonly used either in response to or daily for prevention of the common cold. It outperforms placebo unreliably and the amount of benefit derived is similarly unreliable.
Quick Answer
What it is
Echinacea purpurea is an herb commonly used either in response to or daily for prevention of the common cold. It outperforms placebo unreliably and the amount of benefit derived is similarly unreliable.
Key findings
- Grade C: Common Cold Symptoms (Upper Respiratory Tract Infection)
- Grade C: CD3 Lymphocytes (Common Cold)
- Grade C: Exercise-Induced Immune Suppression (Immune Health)
Safety
No specific caution or interaction language was detected in the current summary/outcome notes.
ℹ️ Quick Facts: Echinacea
Quick Facts: Echinacea
- Best Evidence:Grade C
- Conditions Studied:8
- Research Outcomes:31
- Key Effect:Common Cold
Detailed Outcomes
Evidence by Condition
Best grade per condition (each condition may have multiple outcomes)
Research Citations (23)
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