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Sha syndrome contracted from seasonal pathogens causing cough involves injury to the Lung meridian; it cannot be treated as common wind-cold. The method should prioritize scraping (Gua Sha) to clear the throat and smooth Qi, with cooling the Lungs and dispersing Sha as the main principle (see Formula: Bao Ba Fang).

A patient suffered from wind-cold cough, experiencing slight chills and fever in the late afternoon, with a Kou (hollow) and deficient pulse lacking strength. This was Sha affecting the Lung meridian. After scraping and bloodletting, symptoms slightly improved, but without medication, the cough persisted for over ten days. It was cured using Bao Ba Fang added with Qian Hu (Peucedani Radix) and Shan Dou Gen (Sophorae Tonkinensis Radix et Rhizoma).

When Sha invades the Lung meridian, rebellious Qi causes paroxysmal coughing, accompanied by salivary vomiting or hiccups, facial edema, or chest oppression. This indicates heat-toxin entering the Qi level, where Sha vessels often do not appear; scraping is indicated. In rare cases where toxin enters the Blood level, one must wait for Sha vessels to appear before performing bloodletting. Urgent management of Sha toxin is required; treating it as common wind-cold would be an error.

A patient presented with incessant paroxysmal coughing, facial swelling, continuous vomiting of phlegm, and hemoptysis, with a Wiry, Tight, and Rapid pulse. This resulted from Sha Qi agitating within the vessels. Extensive scraping was performed, followed by administration of Shi Er Fang added with Tong Bian (Child's Urine), taken cool. Recovery was achieved with Si Si Fang.

A young woman suffered from fever, cough, vomiting of phlegm, chest distension, and facial edema. After taking medicines for wind-cough, her chest oppression worsened. After one month, recognizing this as a variation of Sha syndrome, she underwent scraping. She was then treated with Jin Yi Fang added with Bei Mu (Fritillariae Bulbus) and Bo He (Menthae Haplocalycis Herba), administered with Tong Bian, resulting in immediate recovery.

Abdominal pain without vomiting or diarrhea is termed Dry Huoluan (Severe Colic). If toxin enters the Blood level, bloodletting is appropriate. For recent food stagnation, emesis is indicated; for long-standing stagnation, digestion promotion is used. After resolving food stagnation, if obstruction remains, purgation is applied. Abdominal pain with vomiting and diarrhea indicates toxin entering the Qi level; scraping is appropriate, and bloodletting is used if Sha vessels are present, aiming to regulate Yin and Yang Qi. It must be known that intestinal food stagnation should be expelled, not stopped; stopping it exacerbates pain. If pain occurs after vomiting and diarrhea, it is due to irritation from excreta; Huo Xiang Zheng Qi San is appropriate, while guarding against food stagnation and blood stasis. Treatments may include digestion promotion, purgation, or blood activation. Shao Yao (Paeoniae Radix Alba), Fu Ling (Poria), drying-dampness agents, and warming herbs should not be indiscriminately prescribed. For the severe colic of Dry Huoluan, bloodletting is performed first, followed by Shi Er Fang combined with Run Xia Wan (Moistening Downward-Purgative Pill), yielding excellent results.

A patient experienced abdominal pain at night, with dozens of episodes of vomiting and diarrhea, worsening pain. Although old food was expelled through vomiting and diarrhea, the pain persisted because toxin had entered the Blood level, causing blood stasis pain. Small doses of Si Liu Fang and Si Qi Fang were administered, providing slight relief. A second dose the next day led to recovery.