Chronic use of echinacea should be discouraged.
Chua
Doson
D
D003139:Common Cold / Q000517:prevention & control*; D020900:Echinacea; D006801:Humans; D008517:Phytotherapy; D028321:Plant Preparations / Q000009:adverse effects / Q000627:therapeutic use*; D013997:Time Factors
D028321:Plant Preparations