echinacea purpurea · Medicine question

What effect on white blood cells may occur with echinacea purpurea use lasting more than eight weeks?

Name: What effect on white blood cells may occur with echinacea purpurea use lasting more than eight weeks?
Published: 2026-11-08T01:45:40.338Z

iatroX medicinesPublished 8 November 2026

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Echinacea purpurea use lasting more than eight weeks may cause leucopenia (a reduction in white blood cells), with frequency unknown.

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Care Echinacea Cold & Flu Relief Tablets / EchinEeze Echinacea TabletsThornton & Ross Ltd · emc · SmPC §4.8 Undesirable effects · Version 1Document updated 28 February 2018

Sources checked 8 November 2026

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