Selective cytokine-inducing effects of low dose Echinacea.

Echinacea purpurea is a widely used plant immunomodulator with a selective immunomodulatory effect depending on the dilution of the initial preparation. In low doses, it causes selective induction of pro- and anti-inflammatory cytokines. The results recommend this preparation in a wide range of concentrations for adequate correction of the immune system work aimed at restoring the Th1/Th2 balance in various diseases.