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Quan Shu (General Collection) states: Postpartum blood dizziness is caused by failed blood entering the Liver meridian, resulting in black spots appearing before the eyes, dizziness of the head and eyes, inability to rise or sit, unconsciousness with a sense of suffocation, which is called blood dizziness.
This occurs when blood heat takes advantage of deficiency, counterflows upward to the Heart, causing coma and unconsciousness, and qi closure nearing extinction; drinking child's urine is most effective.

Chen Liangfu states: Postpartum stasis blood rushing to the Heart is due to not drinking child's urine after delivery, leading to the flare-up of deficient fire. Burning deer horn into ash and administering it mixed with child's urine can restore consciousness immediately; this herb is extremely effective in promoting blood circulation. Another prescription uses Trogopterus Dung (Wulingzhi), half raw and half processed, named Duxing San (Single-Traveling Powder). Another is Fanhun Dan (Soul-Returning Pill), which is also Yimu Wan (Motherwort Pill).

Jiaju Yilu (Medical Records for Home Living) states: Due to the depletion of primordial qi after childbirth, lochia attacks upward taking advantage of the deficiency, causing blurred vision and dizziness, or fullness and oppression below the heart, coma with clenched jaws, or excessive and urgent phlegm obstruction; Shixiao San (Pain-Stopping Powder) is the primary treatment. If dizziness results from excessive bleeding, or if there is coma with restlessness and confusion, a large dose of Xionggui Tang (Ligusticum and Angelica Decoction) should be used to tonify, added with child's urine.
Shenzhai notes: The above three passages describe postpartum blood dizziness belonging to excess patterns. Failed blood entering the Liver and lochia attacking upward are pathologies of stasis blood; one should use herbs that promote blood circulation and dispel stasis.

Li Dongyuan states: Women experiencing fainting and closed eyes during childbirth do so because sudden loss of yin blood leaves the Heart spirit without nourishment. The Heart and Pericardium correspond to Ministerial Fire and Sovereign Fire. They are calm when receiving blood and endangered when losing blood. When fire blazes intensely, it causes fainting. When fire invades the Lung, it causes closed eyes and unconsciousness. This is because the sudden loss of yin blood fails to suppress and soothe the fire. The Classics state: when disease qi is deficient, tonification is suitable, not purgation. Closed eyes indicate conditions belonging to Yin. Sudden loss of substantial blood causes fire to blaze intensely; only by tonifying blood will the spirit become calm. When the Heart receives blood, it is nourished, and the spirit does not become confused.

Guo Jizhong asks: What is postpartum blood dizziness? He answers: After childbirth, qi and blood are suddenly deficient. Without rest, blood follows qi upward, confusing the Heart spirit, causing black spots before the eyes, or suffocation and unconsciousness, clenched jaws, and dissipation of spirit; simply administering Qinghun San (Clear-Soul Powder) will restore consciousness.

Zhu Danxi states: Postpartum blood dizziness in women is caused by deficient fire carrying blood upward, gradually leading to dizziness. Additionally, Cui Shi states: All dizziness is caused by deficient heat, where qi and blood rush and transport, resulting from an empty abdomen.
Shenzhai notes: The above three passages describe postpartum blood dizziness belonging to deficiency patterns. Sudden loss of yin blood and the upward flare-up of deficient fire are both caused by abdominal emptiness; one should use herbs that tonify blood, nourish yin, and descend fire. However, for nourishing yin, Rehmanniae Radix (Dihuang) and Paeoniae Radix Alba (Baishao) should not be used; for descending fire, bitter-cold herbs should not be used.