As far as safety, the review found no serious side effects attributed to the herbal products.

就中草药安全性而言，试验中没有发现严重副作用反应。

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Make sure to tell your doctor or nurse if you are taking any other medicines, vitamins, or herbal products.

如果您正在服用维他命、草药或其他药品，请务必告诉您的医生。

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Also, herbal products are not regulated in the same way as conventional medicines and some products may not be checked for quality.

另外，草药制品的监管与传统药物不同，某些产品可能没有进行质量检测。

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Various herbal products in the US have been recalled because they were found to contain the drug.

BBC: 'Unsafe' drug found in herbal tea

Herbal products can interfere or interact with other medications you may be taking, putting your health at risk.

CNN: Menopause

The echinacea pills were provided by MediHerb, an Australian manufacturer of herbal products.

CNN: Echinacea fails to curb the common cold (again)