Sweet Wormwood Herb … Safety & Interactions

Qing Hao · Herba Artemisiae Annuae

Contraindications

  • Spleen-Stomach deficiency cold with chronic loose stools
  • Use of crude herb as a substitute for standard malaria treatment

Cautions

  • Preparation matters ... prolonged boiling can reduce the volatile and heat-sensitive fraction traditionally associated with Qing Hao.
  • The whole herb and purified artemisinin-based medicines are related but not interchangeable.
  • Pregnancy safety for unsupervised medicinal use is not established, and artemisinin derivatives carry clearer first-trimester concerns.

Drug Interactions

Drug Class / Substrate Mechanism Severity Source
Possible interaction with CYP3A4 or CYP2B6 substrate drugs when artemisinin-rich preparations are used repeatedly

Pregnancy

Not recommended during pregnancy. Consult a qualified practitioner before any use.

This information is for educational purposes only and does not constitute medical advice. Always consult a qualified healthcare provider before using herbal medicines, especially if you take prescription medications.