The flavonoids of orris root are known to possess anti-inflammatory activity explaining the herbs traditional use as a remedy for sore throats and colds. Orris root is mildly diuretic; it was traditionally used to treat "dropsy" or congestive heart failure.
Orris root that is stored in powdered form is more useful as a diuretic, while orris root that is stored in a chopped form is more useful as an anti-inflammatory.
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