She was thirty-six years old, a graphic designer who spent her days in front of two monitors and her nights nursing a headache that had become, over the past two years, the dominant fact of her life. She arrived at our clinic with a medical folder thick enough to qualify as a manuscript. Inside were the records of a long war: neurologists, pain specialists, MRI scans — all normal — and a pharmacy list that read like a pharmacology textbook. Triptans, NSAIDs, beta-blockers, anti-seizure medications prescribed off-label, Botox injections around the occipital nerve. Some had helped briefly. None had resolved anything. The migraines kept coming, two to three per week, each one lasting between twelve and thirty-six hours.
From the conventional perspective, there was nothing to treat. The MRI showed no lesions. The blood work was unremarkable. The neurological exam was clean. The diagnosis, therefore, was “chronic migraine of unknown etiology” — a statement that, while technically accurate, offered the patient nothing useful. She knew her migraines were chronic. She knew they had no identifiable structural cause. What she did not know was why she kept getting them, and without understanding the why, every treatment was essentially a shot in the dark.
This is precisely the clinical situation where TCM’s diagnostic framework reveals its greatest strength. Where Western medicine looks for structural pathology — something broken, inflamed, compressed, or occluded — TCM looks for functional pattern disruption. The structures may be intact, but the system’s dynamics may be profoundly disordered. And functional disorder, in TCM theory, is every bit as real and treatable as structural disease.
My examination of this patient began with what TCM calls si zhen: the four diagnostic methods. Her tongue was pale, slightly dry, with a thin white coating — a classic picture of blood deficiency. Her pulse was thready at both the heart and liver positions, fine and barely palpable under gentle finger pressure, confirming the pattern. Her complexion was markedly pale, especially in the lower face, and she reported that her migraines were always worse around her menstrual period — a detail that immediately pointed toward blood as a central factor.
When I pressed further, a clear clinical picture emerged. She slept poorly — difficulty falling asleep, frequent waking, and vivid, exhausting dreams. Her vision blurred intermittently, especially during headache episodes. She experienced dizziness when standing quickly. Her nails were brittle and had vertical ridges. Her menstrual periods were light, sometimes delayed by a week or more. She was prone to anxiety and irritability, especially in the premenstrual days.
In TCM diagnostic language, this constellation points to a specific and well-defined pattern: blood deficiency with liver hyperactivity. The reasoning runs as follows. Blood is the mother of shen (spirit) — when blood is deficient, sleep suffers and the mind becomes restless. Blood also anchors and nourishes liver yin — when this anchor weakens, liver yang rises uncontrollably, producing headaches, dizziness, irritability, and visual disturbances. The migraines, in this framework, are not the disease itself. They are the alarm — the symptom of a deeper imbalance that has been developing, likely, for years.
The Western approach had been to attack the pain — suppress the symptom with increasingly powerful pharmaceutical weapons. The TCM approach was to nourish the root. The formula I chose was a modified Si Wu Tang (Four Substances Decoction), one of the most celebrated blood-nourishing prescriptions in the Chinese pharmacopeia. Its four ingredients work in elegant synergy.
Dang Gui (Angelica root) tonifies blood and moves it simultaneously — a rare combination that both nourishes deficiency and addresses the mild stagnation that chronic blood deficiency inevitably produces. Bai Shao (White Peony root) anchors liver yang, softens the liver, and relieves pain through its spasmolytic properties. Chuan Xiong (Sichuan Lovage rhizome) is the preeminent blood-moving herb for the head, specifically directing the formula’s actions upward to address the headache while simultaneously improving cerebral circulation. Shu Di Huang (Prepared Rehmannia root) deeply nourishes kidney yin and blood, providing the foundational reserve that allows the system to rebuild itself.
To this core, I added Bai Shao at a higher dose for its liver-soothing effect, Ju Hua (Chrysanthemum flower) to gently descend rising liver yang, and Gou Teng (Uncaria stem with hooks) to calm the hyperactive liver and address the irritability and insomnia. The total prescription was designed to do two things simultaneously: replenish the depleted blood reserves and quiet the liver hyperactivity that the depletion had unleashed.
I prescribed the herbs as a decoction — two packages per day, brewed and drunk warm. I counseled the patient that improvement would be gradual and that she should not expect the dramatic relief she had experienced, briefly, from triptans. She was skeptical but willing. She had, after all, exhausted the alternatives.
The first week brought modest changes. Her sleep improved slightly — she fell asleep more easily and woke fewer times during the night. She had one migraine during the first week, which was fewer than usual, but she reported that it was slightly less intense. By the second week, the migraines dropped to one, and she noticed a reduction in her premenstrual irritability. By the third week, she had her first completely migraine-free seven-day stretch in over a year.
We continued the treatment for eight weeks, with periodic formula adjustments as the pattern shifted. By the sixth week, the migraines had reduced to perhaps one every two weeks, and even these were mild enough that she did not need to take any medication. Her sleep had normalized. Her complexion, she told me, had improved — a visible sign that the blood was recovering. Her period had become regular, with normal flow. The brittle nails, she reported half-jokingly, had started to grow more smoothly.
At the three-month mark, she was migraine-free for six consecutive weeks. We tapered the herbal treatment to a maintenance dose, and she continued to do well.
This case illustrates one of the most fundamental principles in TCM clinical philosophy: zhi bing qiu ben — treat the disease by seeking the root. Pain is a signal, not an enemy. When we suppress pain without addressing its origin, we silence the alarm while the fire continues to burn. In this patient’s case, years of blood deficiency — likely exacerbated by years of intensive computer work, poor sleep habits, inadequate nutrition, and chronic stress — had gradually eroded her body’s reserves until the liver could no longer be anchored. The migraines were the tipping point, the symptom that finally became impossible to ignore.
Nourishing blood is not a dramatic intervention. It does not produce the immediate, gratifying relief of a triptan injection. But it addresses the actual cause, and when the cause is addressed, the symptoms resolve — not temporarily, but durably. This is the quiet power of root treatment, and it is what TCM, at its best, offers to patients who have been told that their condition has “no known cause” and therefore no real solution.
Professor Zhao Hanqing is a senior TCM practitioner at Beijing Heniantang, specializing in traditional Chinese medicine theory, classical formula research, and TCM informatics. With years of clinical experience and academic dedication, Professor Zhao bridges the wisdom of ancient Chinese medical classics with modern computational approaches to advance the field of TCM knowledge systems.
Disclaimer: This article is presented for educational and informational purposes. Individual results may vary. Always consult qualified healthcare providers before beginning any treatment. This case study has been modified to protect patient privacy.
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