A member asked:

Will echinacea work if you already have a cold?

A doctor has provided 1 answer

Echinacea: Echinacea is an herb that has been touted to enhance immunity and help prevent or treat a cold. No formal studies have been published to validate its effects. So take it at your risk.

Answered 7/23/2012

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A member asked:

What is echinacea?

A doctor has provided 1 answer