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The *Furen Liangfang* (Good Prescriptions for Women) states: There are five types of leukorrhea in women, caused by wind-pathogen invading the uterine gate during menstruation or postpartum, and transmitting to the zang-fu organs. If the Foot-Jueyin Liver Meridian is injured, the discharge resembles green mud. If the Hand-Shaoyin Heart Meridian is injured, the discharge resembles red fluid. If the Hand-Taiyin Lung Meridian is injured, the discharge resembles white nasal mucus. If the Foot-Taiyin Spleen Meridian [Note: Original text erroneously says Foot-Jueyin] is injured, the discharge is yellow like rotting melon. If the Foot-Shaoyin Kidney Meridian is injured, the discharge is black like clotted blood. The human body possesses a Dai Mai (Belt Vessel), which crosses horizontally at the waist, resembling a sash. Since diseases arise here, it is named Dai Xia (Leukorrhea).

The *Jingui Yaolue* (Essential Prescriptions from the Golden Cabinet) states: In women suffering from Wind-Cold for seven to eight days, if chills and fever continue to occur intermittently with regular timing, and the menstrual flow happens to stop abruptly, this is termed Re Ru Xue Shi (Heat Entering the Blood Chamber). The blood must be congealed, causing symptoms resembling malaria with intermittent onset. Xiao Chai Hu Tang (Minor Bupleurum Decoction) should be administered as the primary treatment.

Xu Zhongke annotates: There are four variations of Heat Entering the Blood Chamber in women. Typically, Heat Entering the Blood Chamber presents with delirium, but this case lacks delirium, presenting only with malaria-like symptoms. This indicates that while Shang Han (Cold Damage) affects both men and women, women have unique pathophysiology. Thus, it begins with "Woman suffering from Wind," referring to the Wind-pattern treated by Guizhi Tang (Cinnamon Twig Decoction) in Shang Han texts. By the seventh or eighth day, the exterior pathogen has resolved, yet chills and fever recur, hence described as "continuing to appear." However, the fever does not persist continuously, hence "intermittent." Inquiry reveals the menses had started but stopped abruptly, indicating residual heat remaining and invading due to deficiency, causing residual blood to congeal, thus resulting in intermittent chills and fever. This is not a transmission from Taiyang (Greater Yang) to Shaoyang (Lesser Yang); rather, the heat generated by congealed blood causes these symptoms, hence resembling malaria. Although the pathogen did not transmit to Shaoyang, Xiao Chai Hu Tang is still used because the Qi of the Blood Chamber is governed by the Liver, and the Liver and Gallbladder are interior-exterior partners. The Gallbladder is affected by the Liver's invasion, manifesting as malaria-like symptoms. Other medications are unsuitable; therefore, the method advocates harmonizing the interior and exterior. When the Qi of the Upper Jiao harmonizes, the suddenly congealed blood will dissipate on its own. Using harsh purgatives, as indicated for Didang Tang (Ephedra and Madder Decoction), would violate the contraindications for Shaoyang disease.

Commentary: The above passage discusses cases where menstruation ends abruptly before completion. Although there is blood congealing, it is not a full excess pattern. Xiao Chai Hu Tang should be modified with Dang Gui (Angelica Sinensis Root), Dan Pi (Moutan Cortex), and Sheng Di Huang (Rehmannia Root) to cool the blood.