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The sclera appears cyanotic, the pupil is constricted, vomiting occurs after taking medicine, abdominal pain with extreme thirst, stiffness and inconvenience in the shoulders and neck, hoarseness of voice, and sallow complexion constitute the "Five Reversals" (Wu Ni). If there is fever, thirst, diarrhea, and vomiting, it indicates that toxic pathogens have entered the interior, damaging the Zang-Fu organs; thus, it is incurable.

The first location is the Futu point (ST32), the second is the calf region, the third is the back, the fourth is the Back-Shu points of the Five Zang organs, the fifth is the nape, the sixth is the brain, the seventh is the chin hair area, the eighth is [text missing], and the ninth is the jaw/cheek area.

First: Entering the hairline is the Yuzhen point (GB9), which is also the root of the tongue. Second: The cervical vertebrae. Third: The spinal column is called Chonggu. Fourth: The Dazhui point (GV14) is called Yuzang. Fifth: The Feishu points (BL13) on both sides of the spine. Sixth: the Pishu (BL20) and Ganshu (BL18) points on both sides of the spine. Seventh: the Shenshu points (BL23) on both sides of the spine. Eighth: The posterior heart corresponds to the Jiutui point (CV15). Ninth: The Jiutui bone point.

First: The laryngeal bone is called Chuiping. Second: The chest is called Shenshe. Third: The heart area corresponds to Jiutui. Fourth: The point between the two breasts. Fifth: The center of the umbilicus is Shenque (CV8). Sixth: Two cun below the umbilicus is Changqujian.

Below the ear, near the depression at the tip of the mandible (Yache), there is a point named Houmai. One point below the umbilicus is named Jianggu. Three cun above Chengshan (BL57), there is one point related to the intestines.

The head is the convergence of all Yang meridians; if the acupoints here are damaged, marrow may leak out. The neck is close to the throat; any obstruction there prevents the intake of medicine and food. Shenshu (BL23) opposes the Kidney and is critical for life; needling too deeply may penetrate through. If carbuncles occur in these three locations, they are difficult to treat.
Carbuncles on the back that perforate into the membrane are incurable. (This refers to areas above the Ganshu point.) If not yet ulcerated, but with sunken flesh, cyanotic face, black lips, and bloody stools indicating organ failure, death ensues. Toxic sores sharp and acute one inch and three fen behind the right jaw are incurable. Ulceration penetrating the throat is incurable. Yin-type sores entering the abdomen are incurable; those entering the scrotum result in death. Sores deep in the temples exceeding one cun are incurable. In sores and ulcers, rigidity of the waist and back accompanied by spasms are all incurable.

When a carbuncle erupts on the back, if both hands can reach the upper part of the lesion, it is called "Left and Right Da," and if the head has many pus heads like a honeycomb, it is easy to treat.
If both hands can reach the lower part, it is called "Waist Carbuncle," which is also easy to treat. If neither hand can reach the upper nor lower parts, it is called "Fa Bei" (Erupting Back), which is the most severe condition. (The locations mentioned above are where meridians converge and internally connect to the Zang-Fu organs. If patients report symptoms early and physicians examine carefully and treat according to the syndrome, death can be avoided. However, if treatment is delayed or mismatched with the syndrome, even lesions in non-lethal locations may lead to death due to mismanagement.)