Apiaceae
Osha Root
Ligusticum porteri
⚠ Use with Caution
Avoid in Pregnancy
Native to: Rocky Mountains, Mexico, Central America
Also known as: Bear Medicine, Mountain Lovage, Colorado Cough Root, Chuchupate
Wikimedia Commons / CC BY-SA
Parts Used
Root
Therapeutic Uses
Viral upper respiratory infections, bronchitis, influenza, pneumonia (early stages), high altitude sickness, asthma, deep lung infections. Sacred plant of many Native American traditions — used by bear (medicine from bear).
Herbal Actions
Antiviral, expectorant, bronchodilator, diaphoretic, antimicrobial, immune stimulant, anti-inflammatory
Active Constituents
Phthalides (Z-ligustilide, E-ligustilide), ferulic acid, terpene compounds, essential oils, alkaloids
Preparation Methods
🏺 Tincture🍵 Decoction☕ Herbal Tea
Traditional Preparation Notes
| Herbal Tea | 1 tsp dried root per 250ml, simmer 15 min, 3–5x daily during acute illness |
| Tincture | 3–5 ml (1:5, 60% ethanol), 3–5x daily acutely |
| Notes | Best used at onset of respiratory illness — strong antiviral and bronchodilating action. Powerful herb — respect dosing. Combine with elderberry and echinacea for synergistic immune action. |
Safety Information
Safety Rating
⚠ Use with Caution
Pregnancy
Avoid in Pregnancy
Drug Interactions
Possible — consult doctor
Contraindications: Contraindicated in pregnancy. Avoid with blood thinners. Do not confuse with toxic hemlock species (Conium) — get expert sourcing.
Side Effects: Strong taste. GI upset at high doses. Photosensitivity possible (furanocoumarins). Headache. Rare allergic reactions.