Counterflow menstruation

Also inverted menstruation. Passing of blood through the mouth or nose during or around menstruation; includes menstrual spontaneous external bleeding and menstrual blood ejection.

Patterns

Repletion (实 shí): Counterflow menstruation occurring before or during menstruation is usually attributable to congestion of internal heat forcing blood to rise and forming a repletion heat pattern.

Biomedical correspondence: vicarious menstruation.

Medicinal therapy: Drain heat and cool the blood with Three Yellows Four Agents Decoction (三黄四物汤 sān huáng sì wù tāng).

Vacuity (虚 xū): Counterflow menstruation occurring after menstruation is attributable to yīn vacuity causing internal harassment.

Medicinal therapy: Nourish the blood and clear heat with Rhinoceros Horn and Rehmannia Decoction (犀角地黄汤 xī jiǎo dì huáng tāng). Compare deviated menstruation.