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Cranesbill Geranium

Digestive

Geranium maculatum

PregnancyNursing

Last updated Mar 29, 2026

Description

Native North American perennial with deeply divided leaves; one of the best astringent herbs used by Indigenous peoples and Eclectic physicians.

Active Compounds

tannins (up to 28%)gallic acidellagic acidflavonoidsphenolic acids

Traditional Uses

Diarrhea and dysentery by many Indigenous tribes
Wound healing and bleeding
Ulcers
Used by Menominee, Potawatomi and many tribes

Modern Uses

Astringent (very high tannin)
Wound healing
Antimicrobial
Anti-inflammatory

Dosage Information

Recommended dosing guidelines

Forms: tea, tincture, topical, capsule
Adult Dose: 2–4 g root as decoction; 2–4 mL tincture 3x daily
Child Dose: 1–2 g tea for children over 5
Preparation Notes: Root most astringent; aerial parts also usable; combine with raspberry leaf for diarrhea

Safety Information

Not recommended during pregnancy

Generally safe while nursing

Contraindications

Pregnancy in large doses
Constipation

Possible Side Effects

Constipation with overuse
Nausea from high tannins

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