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Cold, Flu, & Cough Health Center

Echinacea Directory

Echinacea is an herb that is sometimes used in the treatment of the common cold. Side effects include dry mouth, headache, dizziness, insomnia, and other effects. Follow the links below to find WebMD's comprehensive coverage about how echinacea helps the body, it uses and side effects, and much more.

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Thumbnail: Natural Cold Remedies: What to Know

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