meng chong

Name: meng chong
Creator: Bencao Index

虻虫·Tabanus

gradfly

Toxic

Toxicity graded by American Dragon.

About meng chong

Meng Chong (舵虫) is the horsefly, recorded as Tabanus. It is bitter in flavour and slightly cold, entering the Liver channel alone. The catalogue files it among the substances that invigorate the Blood.

Names

Pinyin	meng chong·méng chóng, mang chong?
Chinese	虻虫
Latin Name	Tabanus
English Name	gradfly·gradfly; tabanus·Tabanus
Japanese	mochu
Korean	maengchung

Classification

Category: Invigorate the Blood
Channels: Liver
Flavour: Bitter
Temperature: Slightly Cold
Family: Tabanidae
Species: Tabanus bivittatus
Tags: Chinese Herbs, Common

Actions and indications

Breaks up Blood stasis, reduces abdominal masses and unblocks the vessels

Blood stasis causing amenorrhea, retained lochia or abdominal masses
Stubborn, fixed, long-standing stasis, as one of the strongest (attacking) Blood movers
Irregular periods from obstruction (not from deficiency)
Palpable fixed masses from congealed Blood

Dispels stasis, heals injury and relieves pain

Traumatic injury
Bruising, swelling and pain after an injury, with old Blood obstructing the channels

Combinations

shui zhi + da huang + tu bie chong
Amenorrhea from Blood Stasis.
shu di huang + shui zhi + tao ren
Amenorrhea or retained lochia.
shu di huang + ru xiang + mo yao
Trauma-related injury.
shui zhi
Severe Blood Stasis, whether with mania and abdominal masses or as a large accumulation of Blood after trauma
sheng di huang + shui zhi + tao ren
Irregular menses; bleeding and pain after childbirth

Dosage

Age	Raw	Granule	Tincture	Concentrate	Frequency
Any 1-3g; Powder: 0.3-0.6g	1-3 g	—	—	—	—

Cautions

pregnancy Do not use in pregnancy; this is the firmest caution for so strong a Blood-breaking medicinal
contraindication No significant Blood stasis, including deficiency without stasis; it attacks rather than tonifies
contraindication Debilitated patients
contraindication Diarrhea
contraindication A bleeding tendency, active bleeding, or surgery that is planned
caution Slightly toxic; for use under professional supervision, not for self-prescribing
caution An insect medicinal (gadfly): unsuitable for vegetarians and vegans, and patients should be told of its animal source
caution Ask about insect-protein sensitivity before dispensing; horsefly salivary glands contain recognised human allergens
caution Several gadfly species are traded and only a microscope separates them; use authenticated material from a reputable supplier

Interactions

Drug interactions

Anticoagulant or antiplatelet therapy (such as warfarin, direct oral anticoagulants, heparin, aspirin or clopidogrel), or a bleeding disorder: have use reviewed first. In a controlled trial in acute brain haemorrhage, a formula containing this herb with Shui Zhi gave no benefit and more adverse events, attributed to bleeding risk; no formal interaction study exists

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