Wood Fern

Dryopteris crassirhizoma

Family: Dryopteridaceae Evidence: T decoctionpowder

Anthelmintic, insecticide, and antitumor herb used in TCM. Also used as a hemostatic and to prevent influenza.

Safety Profile

PregnancyUnsafe
BreastfeedingUnsafe
PediatricNot Recommended

Contraindications

Pregnancy, liver or kidney disease, anemia

Interactions

May interact with fat-soluble medications

Side Effects

Nausea, vomiting, diarrhea, headache; visual disturbances and liver damage at toxic doses

Surgery: Discontinue before surgery
Liver: Hepatotoxic at high doses
Kidney: Nephrotoxic at high doses
Allergy: Insufficient data
This information is for educational purposes only. It is not medical advice. Consult a qualified healthcare provider before using any herbal product.