Osha

Ligusticum porteri

Family: Apiaceae Evidence: T tinctureteadecoction

A sacred Native American herb from the Rocky Mountains used for respiratory support, sore throat, and as a first-line immune herb. Difficult to cultivate.

Safety Profile

PregnancyUnsafe
BreastfeedingInsufficient Data
PediatricNot Recommended

Contraindications

Pregnancy (emmenagogue). Kidney disease. NEVER wild-harvest without expert ID — look-alikes include poison hemlock.

Interactions

Few known interactions.

Side Effects

Warming, tingling sensation. GI upset.

Kidney: May irritate kidneys with prolonged use.
Allergy: Apiaceae family allergy. CRITICAL: poison hemlock look-alike.
This information is for educational purposes only. It is not medical advice. Consult a qualified healthcare provider before using any herbal product.