Skip to Content


Pronunciation: sen'e-ga

Definition: The dried root of Polygala senega (family Polygalaceae), an herb of eastern and central North America; an expectorant.

Synonym(s): Seneca snakeroot

[Seneca, an Indian tribe]

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

Medical Disclaimer