Spreading Hedyotis Herb — Safety & Interactions

Bai Hua She She Cao · Herba Hedyotis Diffusae

Contraindications

  • Spleen-Stomach Deficiency Cold — cold-bitter nature strongly contraindicated with loose stools, poor appetite, and cold abdomen; prolonged use impairs digestive Yang
  • Qi and Blood deficiency without Heat — inappropriate for deficiency patterns lacking toxic Heat presentation

Cautions

  • Standard dose: 15–60 g dried herb in decoction; doses up to 120 g/day used in clinical oncology settings under supervision
  • Generally considered safe at therapeutic doses with no major systemic toxicity documented in clinical use or animal studies
  • Anticoagulants and antiplatelets: flavonoids and phenolic acids have mild antiplatelet activity — monitor bleeding parameters with concurrent use at very high doses
  • Immunosuppressants: polysaccharide fraction enhances immune function; theoretical antagonism with immunosuppressant drugs (tacrolimus, cyclosporine) — avoid concurrent use without transplant physician review
  • Pregnancy: cold-natured, large-dose use traditionally avoided in pregnancy; no formal teratogenicity data but caution advised

Drug Interactions

Drug Class / Substrate Mechanism Severity Source
Immunosuppressants (tacrolimus, cyclosporine) — polysaccharide immunostimulation may partially antagonise immunosuppression; monitor transplant patients

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.