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GA-05Global Recovery Atlas5 / 9

Korean traditional medicine

한의학 / 한방hanuihak / hanbangKorean

“Korean medicine (the discipline) and Korean-medicine practice (the clinic)”

South Korea runs two full medical professions side by side. A hanuisa holds a six-year doctorate, passes a national licensing examination, admits patients to Korean-medicine hospitals, and bills national health insurance. Its distinctive intellectual contribution is sasang constitutional medicine: a nineteenth-century argument that the same drug moves different bodies differently, and that temperament is physiologically causal.

Also called

  • hanuihak (the academic field)
  • hanbang (the clinical practice)
  • sasang constitutional medicine

Era of origin

1433CE

Regulation

Statutory

Origin region

Korean Peninsula

Korea; the sasang system formulated in Hamhŭng

Evidence grade

Limited

Small trials, high risk of bias, low certainty. Direction of effect is more trustworthy than its size.

The headline finding

The manual and acupuncture arms have some of the better-conducted trials in this atlas, including one strong result for acute low back pain. Constitutional prescribing is measurable and unproven, and herbal safety is a real limiting factor.

01The technique02The theory of the body03The physiology04The evidence05What it is genuinely good forSide by sideLimited evidence

Situating it

Session 30 to 60 min per visit; herbal courses of 2 to 8 weeksCost $ · 5 to 20 USD out of pocket in Korea under NHI; 150 to 400 USD per month of herbal decoction
Intellectual lineage
Built on shared East Asian classical medicine, then progressively localized: the Hyangyak Jipseongbang (1433) catalogued native Korean drugs to reduce dependence on Chinese imports, Heo Jun's Dongui Bogam (1613, inscribed on the UNESCO Memory of the World register in 2009) synthesized the whole field, and Lee Je-ma's Dongui Susebowon (1894) added constitutional typology. The hanja for the field was formally changed from 漢 (Han-Chinese) to 韓 (Korean) in 1986, a deliberate assertion of independence.
Era
Continuous from the Three Kingdoms period; Hyangyak Jipseongbang 1433, Dongui Bogam 1613, Dongui Susebowon 1894
Where it is practiced today
Fully institutionalized in South Korea: roughly 25,000 licensed hanuisa, twelve university colleges of Korean medicine, dedicated Korean-medicine hospitals with specialty residencies (including a Korean rehabilitation medicine specialty), and coverage under National Health Insurance. Also practiced in North Korea as Koryo medicine, and by Korean-diaspora practitioners abroad.
Training
Six years including a premedical phase, biomedical basic sciences, the Korean-medicine classics, herbal pharmacology, acupuncture, chuna, and clinical rotations. Optional four-year specialty residency.
Regulatory status
Hanuisa are licensed by the Ministry of Health and Welfare after a six-year Doctor of Korean Medicine programme (or a four-year graduate-entry route) and a national examination. They are legally physicians of Korean medicine with their own hospitals, their own specialties, and NHI reimbursement. Chuna manual therapy became reimbursable in 2019. There is a long-running statutory and legal conflict between hanuisa and conventionally trained MDs over access to imaging and laboratory diagnostics, which is worth knowing because it shapes what a hanbang clinic can and cannot see.
Integration into modern sport
Widely used by Korean athletes and increasingly formalized: Korean-medicine rehabilitation departments treat sports injuries with chuna, pharmacopuncture, and acupuncture, and there is a small but real Korean trial literature on acupuncture for acute sports low back pain. The critical issue for any drug-tested athlete is herbal formulations, addressed below in strong terms.
01Template section 01 of 05

The technique

A clinic visit rather than a treatment: intake, constitutional assignment, then some combination of needling, manual therapy, moxibustion, cupping, and a herbal decoction dispensed for weeks.

  1. 01

    Constitutional assignment

    Before treatment: a structured interview covering digestion, sweating, thermal preference, sleep, and temperament, plus observation of body shape, voice quality, and facial features. Modern clinics increasingly use validated instruments (the QSCC II, and the shorter KS-15). Output is one of four types: 태양 Taeyang, 태음 Taeeum, 소양 Soyang, 소음 Soeum.

  2. 02

    Hanyak, the decoction

    한약. Eight to twenty crude drugs, weighed to a formula adjusted for constitution and pattern, decocted and dispensed in retort pouches, taken two or three times daily for two to eight weeks. Common formulas include 쌍화탕 Ssanghwa-tang for post-exertional depletion and 보중익기탕 Bojungikgi-tang for fatigue with weak digestion; 오가피 Acanthopanax, 우슬 Achyranthes, and 두충 Eucommia appear in musculoskeletal formulas.

  3. 03

    Acupuncture, including saam technique

    침술. Alongside standard channel-based needling, the distinctively Korean 사암침법 saam four-needle method selects two points to tonify and two to drain based on five-phase relations between the affected and neighbouring organ-systems, using very few needles.

  4. 04

    Pharmacopuncture

    약침. Injection of a sterile herbal extract into acupoints or into tissue around a painful joint. This is a modern Korean development, not a classical technique, and some products (notably Shinbaro, derived from a multi-herb formula) have been through actual randomized trials and regulatory processes.

  5. 05

    Moxibustion

    뜸. Mugwort (Artemisia princeps) burned as small direct cones, indirectly on a slice of ginger or garlic, or as a stick held two to three centimetres off the skin, bringing local skin temperature to roughly 43 to 50 degrees Celsius for ten to twenty minutes at points such as ST36 and the lower abdomen.

  6. 06

    Chuna manual therapy

    추나. The Korean manual specialty, cognate with tuina but developed separately, combining soft-tissue work, joint mobilization, and thrust manipulation. It is a named, examined, NHI-reimbursed procedure with a standardized technique taxonomy, which makes it the most formally regulated manual therapy in this atlas outside physiotherapy.

The Korean context also includes the 찜질방 jjimjilbang, a public bathhouse with graded hot rooms, cold pools, and sleeping halls, which functions culturally the way the Finnish sauna does and delivers essentially the same thermal stimulus. It is not part of hanbang formally, but any honest account of Korean recovery practice has to include it, and its physiology is covered in the Nordic entry.

A first hanbang visit usually runs 30 to 60 minutes and a follow-up 15 to 30, with courses of six to twenty visits. The decoction is the part patients most associate with the tradition, and it is the part that most needs treating as pharmacology rather than as tradition.

02From inside the tradition

The theory of the body

The fundamental clinical variable is not the pattern of the moment but the kind of body in front of you, fixed at birth, defined by the relative strength of four organ functions and legible in temperament.

Sasang's argument runs roughly like this. Every person is born with a fixed asymmetry in the strength of four organ-system functions. That asymmetry determines digestion, thermoregulation, sweating pattern, fluid handling, body habitus, characteristic emotional response, and, critically, how the person will respond to a given drug. Illness is therefore not primarily an invasion or an imbalance of the moment; it is the predictable failure mode of a particular constitution under stress. Treatment aims at the constitutional weakness, and the same symptom in two different types is a different disease requiring a different formula.

This is, stated in 1894, a theory of interindividual variation in drug response. That is the question pharmacogenomics asks. Lee Je-ma's answer (four discrete kinds of person, identifiable by inspection) is almost certainly wrong in its specifics, and the question he was asking is the right one, which is more than can be said for most nineteenth-century medical theorizing anywhere.

The integration is worth understanding too. A hanbang clinic does not deliver one modality. It delivers a diagnosis, a manual therapy, a needling protocol, a thermal therapy, and a several-week drug course, from one practitioner, in one system, with internal consistency requirements between them. That coherence is the tradition's structural strength and the reason attributing outcomes to any single component is nearly impossible.

Taken on its own terms

Korea did something unusual and worth respecting: it put its traditional medicine inside a national insurance system, which forced it to justify itself with trials, produce standardized technique taxonomies, and submit to reimbursement review. Korean researchers consequently run some of the better-designed traditional-medicine trials in the world, including ones with unflattering results, and they have taken sasang literally enough to test it, looking for associations between constitutional type and BMI, metabolic syndrome, autonomic tone, and candidate polymorphisms. A tradition that turns its own central doctrine into a checkable hypothesis is behaving like a science, whatever the outcome.

Its vocabulary, in its own words

기gi
Qi in Korean reading. Functional capacity and animating flow, on the shared East Asian model.
사상sasang
The four constitutions. Taeyang (strong Lung function, weak Liver), Taeeum (strong Liver, weak Lung), Soyang (strong Spleen, weak Kidney), Soeum (strong Kidney, weak Spleen). Not four temperaments layered onto one physiology: four different physiologies.
성정seongjeong
Nature and emotion. Lee Je-ma's most striking move: he treated characteristic emotional dispositions (anger, sorrow, joy, calm) as physiologically causal, not as symptoms. A Soyang person's tendency to haste is part of the mechanism of Soyang illness.
한약hanyak
Korean herbal medicine. Formula composition is adjusted by constitution: the same complaint in a Soeum and a Soyang patient yields different prescriptions, because the drug is understood to act on the constitution as much as on the complaint.
동의보감Dongui Bogam
Heo Jun, 1613. "Precious Mirror of Eastern Medicine." Twenty-five volumes organizing the entire field by internal and external manifestation, with a stated editorial preference for cheap, locally available drugs over expensive imports, which is a public-health argument as much as a medical one.
03Template section 03 of 05

The physiology

Three separable things are happening: manual and needling inputs, a thermal input, and a pharmacological input. The third one is drug therapy and needs to be evaluated as drug therapy.

  • Moxibustion is thermotherapy

    Skin surface at 43 to 50 degrees Celsius activates TRPV1 and TRPV2, producing local vasodilation, counter-irritant analgesia via descending inhibition, and local heat-shock protein and HO-1 induction. The smouldering cone also emits far-infrared. Nothing about the effect requires the point to be an acupoint, and the effect is real.

  • Moxa smoke exposure

    Worth naming as a genuine hazard rather than a quibble: moxa smoke contains fine particulate matter and polycyclic aromatic hydrocarbons, and poorly ventilated clinics produce occupational exposures that Korean and Chinese researchers have measured and flagged.

  • Needling and manual inputs

    Segmental gating, conditioned pain modulation, descending opioidergic modulation, and local adenosine signaling, as detailed in the tuina entry. Chuna thrust techniques share the spinal-manipulation physiology detailed in the chiropractic entry.

  • Hanyak is pharmacology

    These are crude drugs with real bioactive constituents at real doses: ephedrine and pseudoephedrine from 마황 mahwang (Ephedra), glycyrrhizin from 감초 gamcho (licorice, which causes pseudohyperaldosteronism, hypokalaemia, and hypertension at sustained dose), ginsenosides from 인삼 insam, puerarin from kudzu, and aconitine from 부자 buja (Aconitum, cardiotoxic and requiring specific processing). Herb-drug interaction through CYP3A4 and P-glycoprotein modulation is a documented pharmacokinetic reality, not a theoretical concern.

  • Constitutional typing as measurement

    Sasang classification instruments show acceptable reliability, and epidemiological associations replicate in Korean cohorts, most consistently Taeeum type with higher BMI and metabolic risk. The defensible reading is that the typology partly encodes body habitus and autonomic tone, which are real and measurable, rather than four discrete biological kinds.

For any athlete subject to anti-doping testing, one paragraph in this entry matters more than the rest of the page. Herbal decoctions do not come with an ingredient panel and a dose. Ephedra (mahwang) contains ephedrine, which is prohibited in competition. Several herbs used in Korean and Chinese formulas contain higenamine, which is prohibited at all times. Aconitum requires correct processing to avoid cardiotoxicity. And unregulated herbal products sold as traditional medicine have repeatedly been found adulterated with pharmaceuticals including sibutramine and corticosteroids. A hanuisa in a Korean hospital will give you a written formula if you ask. Ask, in writing, every time, and have it checked against the prohibited list before you swallow anything.

Korean and Chinese herbal medicine also appears in hepatology series as a documented cause of drug-induced liver injury, accounting for a substantial share of DILI admissions in some Korean cohorts5. That is not an argument against the tradition; it is an argument for treating a decoction with the same seriousness you would treat a prescription, because that is what it is.

What is not supported, stated precisely

The four constitutions as discrete biological kinds are not supported: what replicates are continuous associations with habitus and autonomic measures, which is a different and weaker claim than the theory makes. Gi as a measurable transported quantity is not supported. The five-phase correspondences underlying saam point selection (a season mapping to an organ mapping to an emotion, generating a treatment) have no mechanistic support. Stated precisely: the constitutional mechanism is not supported as stated, while the classification is measurable and the clinical payoff of classifying remains unproven, which is a genuinely unusual and interesting position for a traditional doctrine to be in.

Side by side

The proposed mechanism, and the current physiology

The left column is the tradition’s own account, stated as it would state it. The right column is what can currently be said. The verdict grades the explanation only. A practice can survive a failed mechanism, and in this atlas it frequently does.

  • Constitutional type determines drug response

    Proposed

    Four fixed constitutions, identifiable by inspection and temperament, determine how a body responds to a given formula.

    Current physiology

    The right question, badly answered. Interindividual variation in drug response is real and substantially genetic; four discrete inspectable types are not the structure it takes. Classification instruments are reliable and their clinical payoff is unproven.

    Reframed

  • Temperament is physiologically causal

    Proposed

    Characteristic emotional disposition is part of the mechanism of constitutional illness, not a consequence of it.

    Current physiology

    More defensible than it sounds. Autonomic tone, HPA reactivity, sleep, and pain modulation are genuinely bidirectional with affect, and the biopsychosocial model arrived at a version of this a century later.

    Converges

  • Moxibustion warms the channel and expels cold

    Proposed

    Burning mugwort at a point introduces warmth that disperses cold and damp obstruction along the channel.

    Current physiology

    It is a 43 to 50 degree local thermal stimulus: TRPV1 activation, vasodilation, counter-irritant analgesia, HSP and HO-1 induction. Real modality, wrong ontology.

    Reframed

  • Herbal formulas act on the whole system gently

    Proposed

    A well-composed formula harmonizes the constitution, with the assistant drugs moderating the chief drug's force.

    Current physiology

    These are polypharmacy regimens with active constituents at pharmacological doses, real interaction potential through CYP3A4 and P-gp, and a documented hepatotoxicity signal. Gentle is not the correct adjective.

    Not supported
  • Converges The tradition's account and current physiology point the same way.
  • Reframed The prediction survives. The explanation does not, and a different mechanism accounts for it.
  • Not supported No mechanism, no route, no data. Stated about the mechanism, not about the practice.
04Template section 04 of 05

The evidence

Better than most of this atlas on the manual and needling arms, because Korea's insurance system forced the trials. Weakest exactly where the tradition is most distinctive.

Claim by claim

  • Motion-style acupuncture for acute low back pain

    Supported

    A well-conducted Korean randomized trial found motion-style acupuncture treatment produced clinically meaningful improvement in pain and disability in acute severe low back pain compared with injected NSAID1. One trial, real design, real result, and the strongest single finding in this entry.

  • Chuna manual therapy for spinal pain

    Partly

    A growing Korean RCT literature with better-than-average methodology, generally showing short-term benefit comparable to other manual therapies. Standardized technique taxonomy makes replication more feasible here than in most manual traditions.

  • Pharmacopuncture for musculoskeletal pain

    Partly

    Some products have gone through randomized trials with positive results2. The general practice raises characterization and sterility questions, and the trials are small and mostly domestic.

  • Moxibustion for knee osteoarthritis and other pain

    Partly

    Systematic reviews find small effects at low certainty3. The most-replicated moxibustion finding is unrelated to pain: BL67 moxibustion for breech presentation, where Cochrane finds a possible reduction in the need for external cephalic version at low certainty4.

  • Constitution-tailored prescribing improves outcomes

    Unsupported

    Essentially no evidence. Trials establishing that classifying a patient by sasang type and prescribing accordingly beats prescribing without classifying do not exist in usable form. This is the tradition's central claim and its largest evidential gap.

  • Herbal formulas for recovery, fatigue, or performance

    Unsupported

    Individual constituents have documented pharmacology; formula-level trials for athletic outcomes are small, domestic, and inadequate. Safety, not efficacy, is the binding constraint here.

The credit due here is specific. Because Korean medicine is inside the national insurance system, it has had to produce standardized procedure definitions, reimbursement-grade evidence, and trials with active comparators, and Korean groups have published negative and null results about their own tradition. That is what accountability looks like and it is rarer in this field than it should be.

The debit is equally specific. The distinctive doctrine, constitutional stratification, is the part with the least outcome evidence, and the most widely consumed component, multi-herb decoctions, is the part with the most documented harm. Those two facts together mean the honest recommendation is to use the parts of hanbang that look like careful manual medicine and treat the pharmacy with the caution you would give any unlabelled drug.

05Template section 05 of 05

What it is genuinely good for

The verdict

In Korea, a legitimate second front for musculoskeletal pain delivered by a licensed physician-equivalent with a referral pathway. Take the manual therapy and the needling. Treat the decoction as a drug or decline it.

Use it for

  • Acute and subacute low back pain, where the Korean acupuncture and chuna evidence is at its strongest
  • Persistent regional pain that has plateaued on conventional care, inside a system where hanbang is covered and integrated
  • Access: for many Korean patients this is the accessible physical-medicine option, and it is a reasonable one

Do not use it for

  • Anything where you need imaging or laboratory diagnosis first, given the statutory limits on hanuisa diagnostic access
  • Unlabelled herbal decoctions if you are drug-tested, pregnant, on prescription medication, or have liver disease
  • Constitution-based prescribing as though the classification carried established predictive validity

The practical protocol for an athlete: get the diagnosis confirmed by whichever practitioner in your system can order the scan, take the chuna and the needling if regional pain is the problem, ask for the herbal formula in writing and have it screened against the prohibited list, and refuse anything that arrives without an ingredient list. Korea has built the most institutionally serious traditional-medicine system in the world, and using it well means using the accountable parts.

Cautions

  • Hanyak formulas can contain WADA-prohibited substances, most obviously ephedrine from mahwang and higenamine from several common herbs. Get the ingredient list in writing.

  • Korean and Chinese herbal medicine is a documented cause of drug-induced liver injury. Report new fatigue, dark urine, or jaundice immediately and stop the decoction.

  • Licorice (gamcho) at sustained dose causes hypokalaemia and hypertension, which matters a great deal in an athlete who also sweats heavily.

  • Direct moxibustion burns the skin deliberately in some protocols. Confirm which technique is being used, and ask about ventilation.

Sources

References

A reading list rather than the output of a systematic search, and it is labelled that way deliberately. Where a claim on this page rests on a specific study, the superscript number links here.

  1. [1]

    Shin JS, Ha IH, Lee J, et al. Effects of motion style acupuncture treatment in acute low back pain patients with severe disability: a multicenter, randomized, controlled, comparative effectiveness trial. Pain. 2013;154(7):1030-1037.

  2. [2]

    Park KS, Kim S, Kim C, et al. Randomized controlled trials of Shinbaro pharmacopuncture and Korean medicine integrative treatment for lumbar and cervical disorders. (Korean Medicine clinical trial literature, 2013 onward.)

  3. [3]

    Choi TY, Lee MS, Ernst E. Moxibustion for the treatment of osteoarthritis: a systematic review and meta-analysis. Rheumatol Int. 2012;32(10):2969-2978.

  4. [4]

    Coyle ME, Smith CA, Peat B. Cephalic version by moxibustion for breech presentation. Cochrane Database Syst Rev. 2012;(5):CD003928.

  5. [5]

    Suk KT, Kim DJ, Kim CH, et al. A prospective nationwide study of drug-induced liver injury in Korea. Am J Gastroenterol. 2012;107(9):1380-1387.

  6. [6]

    Lee SW, Lee JH, Jang ES, et al. Development and validation of the Korean Sasang Constitutional Diagnostic Questionnaire (KS-15). Evid Based Complement Alternat Med. 2013.

  7. [7]

    Heo J. Dongui Bogam (동의보감), 1613. Inscribed on the UNESCO Memory of the World Register, 2009.

  8. [8]

    Lee JM. Dongui Susebowon (동의수세보원), 1894. The founding text of sasang constitutional medicine.

Continue

Elsewhere in the lab

Cross-links chosen for this tradition specifically, plus the rest of the atlas.

Truth EngineHerbal formulas and the prohibited listOpenScience LibraryThermotherapy: what heat actually does to tissueOpenGlobal Recovery AtlasBack to all nine traditions and the comparison tableOpen

Education, not diagnosis. This is a student-authored science platform. Nothing here replaces a physician, a physical therapist, or an athletic trainer. Sudden severe pain, numbness, an inability to bear weight, or visible deformity means stop reading and get seen.