The patient was a 58-year-old accountant who arrived holding the wall. Her dizziness had begun three months earlier — not the spinning of true vertigo, she insisted, but a swaying fog, “like walking on a boat that has already docked.” Worst in the morning, better after she moved around, worse again after lunch. An MRI had shown nothing alarming. Blood pressure was unremarkable. Her physician had prescribed an antihistamine typically used for motion sickness, which had done nothing, which surprised no one, since she was not exactly suffering from motion.
Her other complaints read like a single paragraph: heaviness in the head “like a wet towel,” a chest that felt wrapped, mild nausea without vomiting, poor appetite, sticky taste in the mouth on waking, and stools that were loose more often than not. Her tongue was pale and swollen with a thick, greasy white coat. Her pulse was slippery — the pulse the classics compare to beads rolling on a plate.
In Chinese medical terms, the picture assembled itself quickly. The clear yang — the pure, light qi that rises to brighten the head like dawn light — was being blocked on its way up. The blocking agent was phlegm-damp: the thick, turbid residue of a digestion that had stopped transforming fluids properly. The classics gave this exact syndrome a name centuries ago: phlegm-mist clouding the clear orifices — 痰浊上蒙清窍. Dizziness from phlegm has a recognizable signature, and her case carried it: heaviness rather than spinning, a wrapped chest, a slippery pulse, a greasy tongue coat, and symptoms that improve with movement, because movement stirs the stagnant qi.
The treatment principle wrote itself: dry the damp, transform the phlegm, raise the clear, and quiet the head. Her formula was built around 半夏白术天麻汤 — Pinellia, Atractylodes and Gastrodia Decoction — a classical combination made precisely for dizziness of phlegm origin: 半夏 (Pinellia) to dry damp and subdue rebellious qi, 白术 (Atractylodes) to strengthen the spleen’s transformation, 天麻 (Gastrodia) to settle internal wind and quiet dizziness, with 茯苓 (Poria), 陈皮 (tangerine peel), and a few companions supporting the work.
The honest half of her treatment was not in the herbs. She drank iced drinks at every meal, ate lunch at her desk in air conditioning, worked through the evening, and slept five hours. Phlegm-damp is not primarily an infection; it is a production — manufactured daily by a spleen asked to digest cold, raw, greasy, and irregular inputs while running on insufficient sleep. No formula out-prescribes a lifestyle committed to manufacturing the problem. So the prescription included terms: warm, cooked food; no iced drinks; lunch away from the desk; dinner early and light; sleep before eleven.
Week one produced no drama, only a better appetite and a lighter head. By week three the morning fog had thinned noticeably — she described it as “the towel coming off for a few hours each day.” The formula was adjusted twice over nine weeks, then tapered off. At four months, the dizziness appeared only after late nights or rich restaurant meals, and she had learned to read it as a report rather than a mystery.
The lesson her case teaches is the one Chinese medicine repeats most often and patients believe least: chronic dizziness with a greasy tongue is usually not a head problem. It is a middle-burner problem with a head symptom. Clear the mist at its source — the digestion — and the view from the top takes care of itself.
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.
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