Postpartum Heavy Sweating and Panting — the More You Tonify, the More You Sweat? Doctor Zhang Xichun’s Life-Saving Chinese Yam Water (Sheng Shanyao) for a New Mother
Patient search words: excessive sweating after childbirth / postpartum panting / postpartum heavy sweating / sweating that will not stop after having a baby / cannot catch the breath / sweat pouring down in streams / cough and fever after giving birth
Corresponding medical terms: postpartum deficiency (chan hou xu sun) · postpartum panting and shortness of breath (chan hou chuan cu) · deficiency of the lung, spleen and kidney · impaired transformation of qi (qi hua bu li)
Opening: one herb, three days, a life saved — this is Doctor Zhang Xichun’s “life-saving formula”
Doctor Zhang Xichun had a habit in prescribing: he kept coming back to the same small handful of herbs, recombining them over and over. Doctor Luo Dalun calls them the great pillars of Doctor Zhang Xichun’s pharmacy — shan yu rou (cornus fruit), sheng shigao (raw gypsum), sheng huangqi (raw astragalus) — and the one we meet today: Chinese yam (shanyao).
💬 Note from Doctor Luo: Chinese yam is one of the herbs Doctor Zhang Xichun used best, and many of the ways I use yam myself I learned from him. Once you understand how these herbs are used, you can look back at Doctor Zhang Xichun’s formulas and see them clearly at a glance — he simply recombined these same herbs over and over, adjusting the pairing to each illness. That is where his mastery lies.
Who was the patient? Ten-odd days after giving birth, she suddenly could not catch her breath
The patient was a new mother, about ten days after giving birth, in the middle of her confinement month. A woman in confinement should be resting peacefully — but on this day, something suddenly went wrong: violent panting and heavy sweating. She felt as though this breath of hers simply could not come up, and she began to gasp; at the same time sweat poured down her body in streams, without stopping; her body also ran hot, as though she had a slight fever; and she was coughing as well.
💬 Note from Doctor Luo: Many women develop all sorts of body problems after giving birth, and heavy sweating is one of them. When the family sees this, they panic and hurry to call a doctor.
The more they tonified, the more she sweated: astragalus, rehmannia and white peony by turns — and the sweat only poured harder
The doctor arrived, saw it was postpartum deficiency, and set out to tonify — prescribing huangqi (astragalus), shudi (cooked rehmannia) and baishao (white peony) and other tonics. By the usual logic, a deficiency should be tonified. But the result? The more they tonified, the more she sweated.
💬 Note from Doctor Luo: Everyone, this is the problem many women run into after childbirth — she sweats, and the more you tonify, the more she sweats. Tonification at this time demands care; you cannot just tonify blindly. The family could not cope, so they sent for Doctor Zhang Xichun.
Doctor Zhang Xichun takes the pulse: in the space of one breath, the pulse beat seven times
Doctor Zhang Xichun came, felt her pulse, and found it extremely weak. How weak? In the space of one breath in and one breath out, the pulse beat seven times — fast and feeble at once.
💬 Note from Doctor Luo: Think about it — seven beats between one breath and the next is a very fast pulse. With the pulse racing like that and the symptoms this severe, it looked almost untreatable. But Doctor Zhang Xichun knew exactly what he was doing. He said: go quickly and buy 6 liang of sheng shanyao (raw dried Chinese yam slices) — that is a fairly heavy dose.
The prescription was a single herb: 6 liang of raw Chinese yam — for a full day and night she drank nothing but yam water
6 liang of raw Chinese yam sounds simple, but the whole secret lies in that word “raw.” Sheng shanyao (raw Chinese yam) is not the fresh yam sold in the vegetable market — it is yam that has been sliced and dried into dried yam slices.
💬 Note from Doctor Luo: Doctor Zhang Xichun explained that pharmacies sell two kinds of yam: one is sheng shanyao, the dried yam slices; the other is chao shanyao (stir-fried yam). You must never use the stir-fried kind — after stir-frying, very little of the medicinal property remains; you must use the raw. Remember this firmly when you go to buy the herb.
The method of use is unusual too: simmer the dried yam slices into a concentrated liquid and drink that water; when it runs low, add more water and simmer again, then drink again. For that entire day and night, every drop of water this new mother drank had to be yam water. The next day, change to another 6 liang of yam and simmer again.
Three days later: all complaints resolved — no one could have predicted it
So she drank. And what happened? Three days later, all her complaints were cured — the new mother recovered.
💬 Note from Doctor Luo: Everyone, this is the marvel of it. Three days — just three days of yam water, tonifying the lung, spleen and kidney all at once, and it restored her. Doctor Zhang Xichun’s command of this herb was superb.
Why can a single herb save a life? White color enters the lung, sweet flavor enters the spleen, rich juice tonifies the kidney
Why does Chinese yam deserve to be called a “life-saving formula”? Doctor Zhang Xichun explained the reasoning thoroughly:
- White color enters the lung: Chinese yam is white in color, so it enters the lung meridian and greatly tonifies lung qi;
- Sweet flavor enters the spleen: the boiled yam water is sweet, so it enters the spleen meridian;
- Thick, rich juice tonifies the kidney: yam’s juice is very thick and rich, and it can also tonify the kidney.
💬 Note from Doctor Luo: So a single herb, Chinese yam, tonifies all three organs — lung, spleen and kidney at once. Panting is the lung’s affair; heavy sweating means qi deficiency that can no longer hold things in, and its root is in the spleen and kidney — with this one herb, Doctor Zhang Xichun covered every thread of the problem.
Chinese yam in Doctor Zhang Xichun’s eyes: moistening the blood vessels, stabilizing transformation of qi, calming cough and settling panting
Besides tonifying the three organs, Doctor Zhang Xichun gave Chinese yam several special praises that most people have never heard:
Runs moistening through the blood vessels — we do not usually say yam can nourish blood, but Doctor Zhang Xichun held that it moistens and nourishes the blood vessels; stabilizes the transformation of qi (gu she qi hua) — it promotes the body’s qi transformation, the workings of the qi mechanism; settles cough and calms panting (ning sou ding chuan) — it stops cough and settles breathlessness; strengthens the will and nourishes the spirit (qiang zhi yu shen) — when the kidney is fully tonified, kidney qi is sufficient and the spirit is abundant.
💬 Note from Doctor Luo: Doctor Zhang Xichun believed Chinese yam is neutral in nature and can be taken long-term and in large amounts — eating it regularly does good. And it should be used raw, simmered into a liquid and drunk; it must not be stir-fried. This is the experience of the masters before us, and it has its own sound reasoning. So in all my later practice I basically never used stir-fried yam — I use nothing but dried yam slices.
Doctor Luo’s last resort: inside the ICU, yam water has saved many elderly patients
Doctor Luo Dalun learned this method and used it in the most critical setting of all — the intensive care unit.
💬 Note from Doctor Luo: Friends often come to me saying: my parent is being rescued in the hospital right now, can you give us a plan? The person is in the ICU with tubes in the nose — what can be put in? Can we use caterpillar fungus? Ginseng? I say, don’t use any of that carelessly. What works at a time like this? This yam. Use a large amount of dried yam slices simmered into a strong water — I usually use about 100 grams — and slowly push a little of this water into the stomach tube. Chinese yam quickly tonifies the lung, spleen and kidney, and above all it starts up the spleen and stomach function: once the digestive function is ignited, transformation of qi is promoted and the body’s qi mechanism rises and revives. The patient immediately turns the corner. If this does not work, then I do not believe anything will — my final trump card is the yam water method that Doctor Zhang Xichun taught us.
Bonus: when buying yam, look for “Huai yam” — from Wen County, Jiaozuo, Henan
Doctor Luo says this method has saved many elderly patients, and even the Western-medicine doctors in the ICU find it strange: how is it that, from the moment the yam water went in, the person began recovering little by little?
💬 Note from Doctor Luo: What does that tell you? Don’t look down on this yam. It is only a food, but I believe it is a life-saving gift Heaven gave to us humans — don’t treat it like an ordinary vegetable. One caution: the fresh yam from the vegetable market will not do. The yam we use in medicine is huai shanyao — Chinese yam produced in Wen County, Jiaozuo, Henan, also called huai yam; that is the one.
One last reminder: Doctor Luo advises everyone to be careful with medicines, and it is best to have a Chinese medicine practitioner analyze your situation. But the herb in today’s story is very neutral, and it is both food and medicine — if it does match your condition, then trying it will not hurt.
(Compiled from Doctor Luo Dalun’s explanations of Doctor Zhang Xichun’s case records; the case is from Yixue Zhongzhong Canxi Lu, Records of Chinese Medicine with Reference to Western Medicine.)