A Nine-Year-Old Boy Kept Coughing, Running Warm and Losing Weight After a Cold? — Doctor Zhang Xichun Cleared the Residual Heat and Cured Him in Five Doses

Patient search terms: coughing constantly after a cold / coughing and spitting phlegm / feeling hot and vexed inside / not wanting to eat / child getting thinner and weaker / nothing the doctors gave helped Medical terms: consumptive cough (xu lao ke sou) · residual heat from external contraction not cleared · yin deficiency with lung heat · Bai Hu Jia Ren Shen Tang (White Tiger plus Ginseng Decoction) pattern

Opening: an ordinary cold nearly ruined a nine-year-old boy

Today’s patient was a boy just nine years old — the son of Brigade Commander Yao of Fushun (in today’s Liaoning Province). An utterly ordinary cold dragged on until it became a consumptive illness: coughing without stop, growing thinner and weaker by the day, medicine after medicine doing nothing. How did the boy finally get well? Doctor Zhang Xichun used only five doses.

💬 Note from Doctor Luo: There is a trait in Doctor Zhang Xichun’s case records — in most cases he names the patient’s official position and full name, openly and plainly. This boy was the son of a brigade commander of the Northeast Army — the man held office right there in town. Would you dare to write fiction about such a person? So the authenticity of Doctor Zhang Xichun’s cases is extremely high. Anyone who doubts Chinese medicine can read these records — none of this is invented.

Who was the boy, and how did the illness settle in step by step?

At first the boy simply had an external contraction — a cold. When the cold pathogen enters the body it stays in the Taiyang channel (the foot Taiyang bladder channel). As the pathogen moves deeper into the Yangming channel (the foot Yangming stomach channel) and contends with the body’s upright qi, it generates heat — Yangming qi-level heat exuberance — and the body runs a high fever.

The doctors at that point looked at the high fever and asked: what do we do? They cleared it purely with sweet, cold herbs — lu gen (reed rhizome), xuan shen, sheng di — the kind of medicines that nourish fluids and clear heat. The fever itself did come down. But after the illness “ended,” residual pathogen and residual heat were still lodged inside the organs, never expelled. As time went on, the yin portion was worn away — yin deficiency set in, the upright qi grew weaker and weaker, and gradually the case turned into consumptive cough (xu lao ke sou).

💬 Note from Doctor Luo: Get this logic straight: with an external contraction, the cold pathogen moves inward step by step — from the Taiyang channel into the Yangming channel — and the struggle between upright and pathogenic qi turns into heat. Some people object that the six channels of Zhang Zhongjing have nothing to do with the organs, but in fact they do connect. When the pathogen enters Yangming, you will often see a reaction at the right guan position of the pulse (which corresponds to the lungs, spleen and the “ming” — the gate of life).

How bad was it? What was happening to the child?

The nine-year-old boy’s symptoms were perfectly clear:

• His heart often felt hot — vexed and hot inside;
• His body also often felt warm;
• His appetite was poor, he was lazy about eating — he did not want food;
• When he coughed, he frequently brought up phlegm and saliva;
• He was growing thinner and weaker by the day.

He had taken plenty of heat-clearing, cough-stopping medicines — but any slight improvement was immediately followed by relapse, which is almost the same as no effect at all.

💬 Note from Doctor Luo: Why did the earlier medicines fail? Because the root of the illness was not the cough on the surface — it was the un-cleared Yangming residual heat. The heat pathogen had been squatting inside the body all along; merely stopping the cough and clearing the lungs could never reach the root.

How did Doctor Zhang Xichun think it through? The pulse-reading that was the key stroke of the whole case

Doctor Zhang Xichun put his fingers on the pulse and found it wiry and rapid (xian shu) — beating fast, and under the fingers like a taut string; especially the right pulse, wiry and hard.

Here is how he analyzed it:

A rapid pulse means the upright qi is insufficient — in particular yin deficiency: heat over a long time wounds yin, and the more yin is depleted, the faster the pulse beats. A wiry pulse means the blood is deficient too — this is the yin-blood deficiency caused by the heat pathogen.

And the right pulse wiry and hard? That is the residual heat from the original external pathogen still lingering in the Yangming fu (the stomach). Taken more finely, this pulse should land at the guan position — the spleen pulse, alone enlarged and notably hard.

💬 Note from Doctor Luo: Doctor Zhang Xichun had a distinctive way of taking the pulse. In the usual convention, the three fingers of the left hand feel the heart, liver and kidney, and the three fingers of the right hand feel the lung, spleen and “ming.” Doctor Zhang Xichun often did not go into such fine detail — it was more a matter of “what the left middle finger feels, what the right hand generally feels.” As for the coughing and spitting of phlegm — that is the sign of heat wounding the lung over time: the pathogenic heat had stayed in the body and damaged the lung organ.

The treatment strategy: clear the residual heat first, then nourish yin — the order must not be reversed

Doctor Zhang Xichun’s treatment proceeded in two steps:

Step one — clear away the Yangming residual heat. Step two — only then nourish yin and support the upright qi.

If you nourish yin while the pathogenic heat is still un-cleared, you ruin things: the heat stays inside, and over time it wounds yin even more — you intend to nourish yin, but in the end you achieve nothing, the heat cannot be expelled, and the yin is injured anyway.

💬 Note from Doctor Luo: This is Doctor Zhang Xichun’s sense of proportion in treating illness — first expel the pathogen with just a touch of upright-qi support, and only afterwards nourish yin and build the upright. Expelling the pathogen and supporting the upright — the timing and the proportions both matter; you cannot grab at everything at once.

Prescription, part one: a modified Bai Hu Jia Ren Shen Tang (White Tiger plus Ginseng Decoction) — clearing the Yangming residual heat

To clear the pathogenic heat, Doctor Zhang Xichun gave a formula and said plainly that it was a modified version of Bai Hu Jia Ren Shen Tang (White Tiger plus Ginseng Decoction):

• Raw shi gao (gypsum), one and a half liang (45 g) — store-bought gypsum comes in lumps and strips; it is best to crush it into a fine powder, the finer the better, because that is what makes the decoction potent;
• Lu dang shen, three qian (9 g) — a kind of dang shen (codonopsis) produced in Shanxi, which Doctor Zhang Xichun especially valued;
• Xuan shen (figwort root), five qian (15 g) — nourishes yin, moistens dryness, generates fluids and clears heat;
• Raw Huai Chinese yam, five qian (15 g) — supports the upright qi;
• Fresh mao gen (Imperata root), three qian — Imperata root can draw the heat out from the organs and bowels; this was one of Doctor Zhang Xichun’s own insights;
• Gan cao (licorice), two qian (6 g).

💬 Note from Doctor Luo: Many families buy raw gypsum and simply throw the lumps and strips straight into the pot to decoct, and the effect is mediocre. Doctor Zhang Xichun stressed this again and again: the finer you crush the raw gypsum, the better — the whole potency lies in this detail.

Bai Hu Tang and Bai Hu Jia Ren Shen Tang: the two keys Zhang Zhongjing left to later generations

The predecessor of Bai Hu Jia Ren Shen Tang is Bai Hu Tang (White Tiger Decoction), a famous formula from Zhang Zhongjing’s Shang Han Za Bing Lun (Treatise on Cold Damage and Miscellaneous Diseases). What does it treat? It treats the pathogen entering from the Taiyang channel into the Yangming channel and transforming into heat in the interior — an external cold that manifests as heat illness, which in fact means the body has begun to resist: the contention of upright and pathogenic qi generates heat.

What does this heat illness look like? Later physicians summarized the Four Greats:

• Great heat — a high fever;
• Great sweating — the patient sweats profusely;
• Great thirst — a fierce thirst, always wanting cold water;
• A surging (hong) large pulse — the pulse’s force comes on like a flood.

💬 Note from Doctor Luo: The Four Greats do not necessarily all appear together. As a general rule, if you judge it to be Yangming qi-level heat exuberance, Bai Hu Tang can be used — and the formula is widely used in warm-disease (wen bing) treatment as well. Whenever the body shows heat illness and the heat is at the Yangming qi level, the formula applies.

The original Bai Hu Tang has four ingredients: zhi mu (Anemarrhena), raw shi gao, gan cao and jing mi (rice, the Northeast kind). The main herb is raw shi gao — Doctor Zhang Xichun held that it is pungent and cool in nature and can drive heat outward. Do others fear that raw gypsum is a greatly cold herb? Doctor Zhang Xichun believed it is not that cold — merely slightly cold at most — and its ability to draw out heat is outstanding, which is why his whole life he was especially skilled at and especially fond of using raw gypsum.

Why is zhi mu in the formula? First, it has a cooling, moistening, yin-nourishing nature that helps the gypsum push the heat outward; at the same time it nourishes yin a little, guarding against Yangming heat wounding the yin over time.

Doctor Zhang Xichun’s two classic substitutions:

• Xuan shen in place of zhi mu — xuan shen is more balanced. In particular, when treating a woman who has caught an external contraction after childbirth and the pathogen has entered Yangming, Doctor Zhang Xichun always used xuan shen instead of zhi mu;
• Raw Huai Chinese yam (dried yam slices) in place of jing mi — jing mi merely lingers in the stomach and intestines to assist the stomach qi; it has none of the yam’s upright-qi-building power. Chinese yam can greatly tonify the essence of the lung, spleen and kidney — all three organs. Doctor Zhang Xichun held that when yam “nourishes yin,” what it actually does is nourish the essence — the essence of the lung, spleen and kidney.

💬 Note from Doctor Luo: Does “never alter a classical formula” apply to Zhang Zhongjing’s prescriptions? No. That era was very early, and there were many uses of herbs that later generations had not yet figured out. Doctor Zhang Xichun studied the classical formulas — his thinking all came from Zhang Zhongjing — but he was never rigid; he adapted when adaptation was called for, and added better herbs when better herbs existed. My own practice: I keep the rice in and add the Huai yam as well, and I increase the dosage — the effect is excellent. That is my own experience.

Bai Hu Jia Ren Shen Tang: when fierce heat has wounded the qi and the yin, clearing heat alone is not enough

Bai Hu Jia Ren Shen Tang is also a formula from Zhang Zhongjing’s Shang Han Za Bing Lun. The original text of the Shang Han Lun says: “After taking Gui Zhi Tang (Cinnamon Twig Decoction), if profuse sweating is followed by great vexation and unrelieved thirst, with a surging large pulse, Bai Hu Jia Ren Shen Tang governs.” There is another clause: “In cold damage, if the disease is still not resolved seven or eight days after vomiting or purging, with heat bound in the interior, heat in both exterior and interior, frequent aversion to wind, great thirst, a dry tongue with vexation, and a desire to drink several sheng of water, Bai Hu Jia Ren Shen Tang governs” — the heat is bound inside (in the Yangming channel), both exterior and interior are hot, the patient often fears wind, is desperately thirsty, the tongue is dry, and cold water feels better and better the more he drinks.

Why add ginseng? Bai Hu Tang is for heat stored in the body, Yangming heat exuberance; Bai Hu Jia Ren Shen Tang is for when the heat has become so fierce that it has wounded the body’s qi and yin — qi and yin both deficient. Extreme heat consumes the fluids (jin and ye, the thinner and the thicker body fluids); once the fluids are consumed, the patient becomes desperately thirsty and desperately hot. At that point ren shen (ginseng) is added: ginseng tonifies the qi and at the same time generates fluids.

💬 Note from Doctor Luo: Isn’t ginseng a qi tonic? Doctor Zhang Xichun himself marveled at this: ginseng is a qi-tonifying herb, not a yin-nourishing one. But add it to Bai Hu Tang — the gypsum clears the heat, the ginseng tonifies — and it can restore the true yin at the very height of pathogenic fire; truly marvelous, a kind of chemical union (hua he zhi miao) — one of the body’s most wonderful changes: supporting the upright qi and tonifying the qi, while at the same time achieving a yin-nourishing effect.

Doctor Zhang Xichun used this formula very cautiously: he rarely used Northeast ginseng; he used Shanxi dang shen — Northeast ginseng is a little hotter, while dang shen is far more balanced. Looking across his whole career, he did not use plain Bai Hu Tang much; he used Bai Hu Jia Ren Shen Tang far more often — which itself shows his caution. When he met someone with insufficient upright qi, plain Bai Hu Tang alone could not support the upright, so he turned the jing mi into Huai yam and added dang shen or ginseng — especially for the elderly, children, and people who were very weak, he always used it this way. This embodies his thinking of expelling the pathogen while supporting the upright at the same time.

💬 Note from Doctor Luo: In his whole life, Doctor Zhang Xichun basically carried Bai Hu Jia Ren Shen Tang to its utmost. Today we are telling a case, so we will not go into every detail of how he explored this formula; but keep in mind his logic of prescribing — why he changed this herb, why he used it this way — that is his real experience.

The course of treatment: two doses to clear the heat, three doses to support the upright — five doses in all, and the boy was cured

After two doses in a row of the modified Bai Hu Jia Ren Shen Tang, the child’s heat in body and heart greatly diminished — both the vexing heat in the heart and the warmth of the body surface eased a great deal; the cough and sputum improved by more than half; and the pulse was far calmer than before.

Doctor Zhang Xichun knew the pathogenic heat was mostly cleared. Now he turned to nourishing yin and supporting the upright — a new formula:

• Raw Huai Chinese yam, one liang (30 g) — a large dose to support the upright qi;
• Gou qi zi (wolfberry), eight qian (24 g) — tonifies the essence of the liver and kidney;
• Raw Huai di huang (Rehmannia), five qian (15 g) — a sweet, cold herb that nourishes yin and clears heat (Huai di huang is the authentic regional herb from Wenxian County, Jiaozuo, Henan);
• Xuan shen, four qian — nourishes yin;
• Sha shen (Adenophora root), four qian — nourishes yin;
• Raw Hang shao yao (white peony), three qian (9 g) — nourishes yin;
• Raw yuan zhi (Polygala root), two qian — Doctor Zhang Xichun held that yuan zhi has the function of regulating the opening and closing of the lung, stopping cough and resolving phlegm;
• Bai zhu (Atractylodes), two qian — tonifies the spleen; this is the first appearance of bai zhu in the case. When regulating a child whose spleen and stomach have been weakened by an external contraction, he would usually pair Huai Chinese yam with bai zhu, because bai zhu is especially strong at tonifying the spleen;
• Raw ji nei jin (chicken gizzard lining, yellow, crushed), two qian (6 g) — first, it opens the appetite; second, it invigorates the blood and removes stasis. Here, for a child, the appetite-opening and food-stagnation-resolving action is the stronger one;
• Gan cao, one and a half qian.

After three doses in a row: the appetite grew, the stomach opened, and every complaint was cured.

💬 Note from Doctor Luo: Do you see it? A nine-year-old child, with a lingering external contraction that would not resolve, a weakened body, coughing and fever without stop — two doses of heat-clearing medicine, three doses of upright-supporting medicine, five doses in all, and the illness was completely gone. Why was Doctor Zhang Xichun so effective? His diagnosis was accurate, he used the classical formulas properly, and he took the classical formulas one step further — a slight change of herbs and the force was greater; when supporting the upright he used Huai yam in heavy dosage, added yin-nourishing ingredients, and finished with spleen-tonifying, food-resolving herbs — three doses and the disease was cured.

Bonus: why are today’s medicines not as good? Doctor Luo Dalun’s search for Chinese yam

Doctor Zhang Xichun had a standing approach to lung disease and to the weakness that follows an external contraction: use raw Huai Chinese yam in large doses to support the upright qi. Why could he cure in just a few doses? Because he used authentic regional herbs (dao di herbs) — he knew exactly where the herb was good, and when it worked he used it heavily.

💬 Note from Doctor Luo: Someone once said — “Chinese medicine died because of Chinese materia medica.” With authentic regional herbs missing and medicines being counterfeited, the herbs stopped working in the end: the doctors wrote brilliant formulas and clear theories, but the medicines had no effect. I agree with this wholeheartedly — the decline of clinical efficacy comes in large measure from poor herb quality.

Doctor Luo Dalun once went specially to Wenxian County, Jiaozuo, Henan — the production area of Huai yam. The field is called lu tu di (the fertile dark soil), and it is truly not large — just a few villages. At the time, what the roadside stalls were selling was all fake: Hebei yam, grown in sandy soil. He asked the young villagers why they did not grow it themselves. They said: “This crop must be planted one year and rested for eight” — the land has to lie fallow for eight years before it can be planted again, and when only the old people grow it, the farmers lose money.

Doctor Luo Dalun told the village party secretary: could you grow the truly good yam, and preserve the truly good Chinese medicine our ancestors used? He would help publicize it, and his followers would buy. The secretary’s reply stuck in his memory — “You publicize — how much do you need?” A big question mark formed in Doctor Luo’s mind: hardly anyone was growing it, so how could they promise “however much you need”? But when the article came out, the small remaining stock sold out instantly. The secretary saw it: “My goodness — this is not enough!”

💬 Note from Doctor Luo: Later I told them: grow the yam with no pesticides, no chemical fertilizer, no herbicides, and no growth promoters — exactly the way the ancients grew it. They said that way the yield drops by half — and in fact, looking at it now, it dropped by more than half. I said the price could be higher: going to a Western hospital for an IV drip for a cold costs two thousand yuan once; this yam can ward off countless colds’ worth of upright-qi deficiency, and one jar lasts for many uses — however expensive, it is still far cheaper than Western medicine. My followers would recognize it. And they really did grow it — and it sold out quickly, before I even got around to publicizing it.

Doctor Luo Dalun says: if this virtuous cycle continues — people recognize good things, farmers receive the money, and are more willing to grow good things — then truly authentic medicinal herbs can survive. If everyone sells fakes and everyone wants only the cheap, then things go badly — bad money drives out good, and what gets left for later generations will not be good Chinese medicine at all.

💬 Note from Doctor Luo: Some followers ask me: “Doctor Luo, I am torn — there is a much cheaper one right next door. Should I buy the expensive or the cheap?” My answer is: we must restore the truly good Chinese medicine of antiquity. Why was Doctor Zhang Xichun’s medicine so effective? He used raw Huai Chinese yam in heavy dosage — from the very first case in Medical Records Integrated Chinese and Western Medicine right down to today, almost every single case uses raw Huai Chinese yam — valued, and used in large amounts. That is where the efficacy lies. Restore it, and we honor our ancestors; only then can we truly see the efficacy of Chinese medicine.

Closing: what we learn from Doctor Zhang Xichun is the thinking and the methods

Doctor Luo Dalun says that when he looks back on the times his own treatment was most effective — especially the dying patients whose families invited him to analyze the case and who were finally brought back from the brink — most of those cases used Doctor Zhang Xichun’s thinking. In everyday health regulation, Doctor Zhang Xichun’s ideas come up everywhere: when he regulated his own elderly father’s health, he constantly used Doctor Zhang Xichun’s thinking, and it worked immediately.

💬 Note from Doctor Luo: After I studied Doctor Zhang Xichun, I felt this thinking was excellent. Learning his way of analyzing illness and his methods of using herbs is certain to be useful for understanding Chinese medicine and protecting your own body. I share these things with you a little every day, and in the end we will have talked through the cases of all these famous physicians — we talked about the Dao De Jing for a year and a half; this Chinese medicine case series is our own home field. We take it slowly. If it can inspire you even a little, I am very gratified.

Compiled from Doctor Luo Dalun’s lectures on Doctor Zhang Xichun’s case records, from Medical Records Integrated Chinese and Western Medicine (《医学衷中参西录》, published in installments 1918–1934).