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Meng Chong (tabanus, gadfly)

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Cool Meng Chong (Tabanus)
Bitter, Cool, Slightly Toxic
Tone Marks:
méng chóng


  • Breaks Blood Stagnation, moves the Blood, unblocks the menses
    For traumatic injury, irregualr menstruation, amenorrhea, retention of the lochia, and abdominal masses.

Contraindications and Cautions

  • Do not use during pregnancy. This herb has been shown to cause teratogenic (birth defects) effects.

Herb-Drug Interactions

  • This section is being researched, and is not completed.

Toxicity and Overdose

  • This herb is considered toxic (while some Chinese herbs are toxic, it must be noted that many come prepared, or are combined, to mitigate their toxicity).


  • 1 to 1.5 grams in decoction, 0.3 grams in powder (Chen)

This Herb Appears in the Following Formulas: