Traditional Thai Medicine

Historical layers and their sources

A 2017 review by researchers at Mahidol University describes traditional Thai medicine as knowledge accumulated across several eras: Sukhothai to Ayutthaya (the review gives 1350 to 1767), Thonburi (1767 to 1782) and the early Rattanakosin period (1782 to 1851). The review says this knowledge rests on historical experience, traditional wisdom and old medical textbooks, and that the tradition is heavily influenced by Buddhism. It does not give a single founding date, and the period boundaries are the review's own.

The catalogue record for a 2007 book by the historian of medicine C. Pierce Salguero describes the tradition as emerging from Buddhism, animism and Ayurveda, with Vedic Indian, Khmer and Chinese medical influences. Only the bibliographic record was read for this draft, so the book's own arguments and evidence for those influences have not been checked and are attributed to the catalogue description.

Village practice and the Wat Pho inscriptions

UNESCO's inscription text for Nuad Thai, traditional Thai massage, says the practice has roots in village self-care, with massage healers in every village, and that it later became a formal system passed on through apprenticeship and training courses. The text also records a 1985 Project for the Revitalization of Thai Massage. These are statements made in the nomination by the Thai submitting state and were not independently audited.

A page from the epigraphic archives of Wat Pho in Bangkok says King Rama III commissioned the temple's renovation in 1830, ordering the collection of knowledge, and that stone inscriptions were made between 1831 and 1841; the archive includes traditional medicine among its subjects. The page reports that a UNESCO Memory of the World committee agreed to register the archive on 27 May 2011. Counts of inscriptions differ between sources and are not used here.

State support and hospital integration

The 2017 review says the Thai government has supported research on traditional medicine, particularly on medicinal plants, since 1997. A 2020 review of antidiabetic plants describes the revitalisation of traditional Thai medicine as a clear government priority. A 2012 prospective study at one district hospital in Nakhon Pathom proposed a management model for placing applied Thai traditional medicine services inside Ministry of Public Health hospitals and judged the approach feasible. It rested largely on staff opinion surveys and covered one hospital.

One abbreviation, two meanings

Research papers use the abbreviation TTM for both traditional Thai medicine, the wider system, and traditional Thai massage, a single manual practice within it. The 2017 review lists four components of the medical system: medical practice, pharmacy practice, traditional midwifery and traditional Thai massage. A trial of massage therefore says little about herbal preparations, and a study of a herbal remedy says nothing about massage. UNESCO's inscribed element is the massage alone, titled Nuad Thai.

Sen lines and the four elements

UNESCO's text describes sen as lines understood to crisscross the body, with ailments believed to arise when energy flow along them is obstructed, and describes the massage as aiming to normalise four body elements. The 2017 review gives the elements as earth, water, wind and fire, and says that within the Buddhist-influenced belief an imbalance in one element leads to illness. These are concepts of the tradition and not measured anatomical or physiological structures, and the sources reviewed do not test them.

Court-type and folk styles

A 2021 trial describes court-type traditional Thai massage, which it calls Nuad Raja Sum Nak, as the procedure inherited from practitioners in a master's palace, and contrasts it with the usual or folk style, Nuad Chaleisak. The trial compared the court-type style with a Thai hermit exercise. The paper does not elaborate the differences beyond origin and finger-and-hand technique, so the extent to which trial results apply to other styles is not established.

Techniques as described by UNESCO

UNESCO's text says practitioners work with the hands, elbows, knees and feet, together with herbal hot compresses, and that the practice now exists in two forms, therapeutic treatment and health promotion, as an income-generating occupation. The text is a cultural description and not a clinical protocol. Practitioners vary in style, and a session in one setting may differ from another.

Session formats used in trials

Trial protocols show a range. A 2025 trial in plantar heel pain gave a single 40-minute session. A 2021 trial of the court-type style used 30-minute sessions every other day for two weeks, six sessions in all, aimed at four points on the upper trapezius muscle. A hospital trial in Bangkok used about 30 minutes twice a week for four weeks. A 2024 depression trial used 90-minute sessions twice a week for eight weeks. These protocols were designed for research and are not standard practice.

Practitioners and working conditions

A 2026 cross-sectional survey of 396 certified Thai traditional massage practitioners working in 204 public health facilities in north-eastern Thailand found a 12-month prevalence of work-related musculoskeletal disorders of 81.31 per cent, self-reported on questionnaires. The abstract does not say which body certified the practitioners. This page does not cover regulation or training standards, because the sources reviewed do not address them.

Uses stated within the tradition

UNESCO's text presents the massage as part of the art, science and culture of traditional Thai healthcare, with the aim of restoring balance among the body's elements and energy flow along the sen. It also names a social meaning, saying the practice expresses care within families and communities. The 2017 review attributes illness in the tradition to elemental imbalance. These are claims made by the tradition and its submitting state, not findings.

Herbal medicine

A 2020 review surveyed medicinal plants used in traditional Thai medicine for diabetes. It identified 183 species, of which about 30 per cent still lacked experimental evidence for their stated activity, and reported that 46 bioactive compounds with antidiabetic effects had been isolated from 24 species. The evidence reviewed was laboratory and ethnobotanical, and the review does not report clinical trials. Plant use in the tradition should not be read as evidence of benefit in people.

Conditions studied in massage trials

Trials of traditional Thai massage have studied chronic pain, low back pain, neck and shoulder myofascial pain, plantar heel pain, and depression as an add-on to antidepressants. A study of a topic does not show that the practice is used for it in Thailand or that it helps, and each trial is specific to its population, comparator and outcome.

Systematic reviews of pain

A 2015 systematic review of controlled trials of traditional Thai massage for chronic pain included six articles. Its abstract reports pre-treatment to post-treatment pain reductions ranging from 25 per cent to 80 per cent, with improvements in disability, perceived muscle tension, flexibility and anxiety, and says benefits appeared to be maintained for up to 15 weeks. The abstract calls for more research on long-term benefit against control conditions. Only the abstract was read, so risk of bias was not checked.

A 2012 literature review compared Swedish and traditional Thai massage for chronic low back pain. It searched nine databases, found 13 papers and summarised six, and reported that both appeared to relieve pain and improve function and mood and to be about equally effective. The authors noted methodological limitations and called for studies comparing the two directly.

Trials with active comparators

A trial of 120 outpatients with chronic non-specific low back pain compared Thai massage with joint mobilisation, with no control group. Pain and disability fell in both arms over four weeks, and the authors judged the two equally effective in the short term. They stated that the sample was too small to detect a difference between the techniques. A 2025 trial of 60 people with plantar heel pain found that a single session of ultrasound with stretching reduced pain and improved ankle movement more than a single session of massage, with follow-up of 24 hours.

A trial of 140 older adults with chronic low back pain compared massage alone with massage plus a herbal compress, measuring pain, disability and quality of life at baseline, 6 and 15 weeks. Both groups improved, and the authors reported no statistically significant difference between them, meaning the herbal compress added no measurable benefit in that trial.

Massage added to antidepressants

In a 2024 randomised trial, 48 people with a diagnosis of severe depression who were taking antidepressants received either 90-minute traditional Thai massage sessions twice a week for eight weeks or continued their usual activities. The massage group's Hamilton Depression Rating Scale score fell by 5.14 points more than the control group's (95% confidence interval 2.92 to 7.37). Randomisation covered 65 people but 48 were analysed. Assessors were not blinded, most participants were women, and the control group received no attention-matched activity, so a contribution from attention and expectation cannot be separated from the massage itself.

Design limits of the trials

People receiving massage know they are being massaged, so blinding of participants is not possible, and the trials reviewed here either had no control group, used no-treatment or active comparators, or relied on self-reported pain. One of them reports that outcome assessment was blinded and the others do not say so in the passages read. Results from one style, dose or population cannot be carried over to another, and none of the trials tests the sen or element theories.

Independence and the herbal evidence base

Two of the trials read in full state that they were supported by the same Khon Kaen University research centre on back, neck and joint pain, and its researchers appear as authors across several other cited trials. That does not show bias, but much of the controlled evidence comes from a small number of Thai research groups. Herbal evidence is mainly laboratory work; an animal study of a traditional detoxification process for croton seeds, for example, cannot show effects in people.

Adverse events in trials and case reports

The reporting of harms is thin. The Bangkok hospital trial reported constipation in 28.3 per cent of 120 participants without describing how adverse effects were recorded, and the court-type trial and the heel pain trial reported no adverse events. A 2019 case report describes a 20-year-old man who developed weakness and numbness three days after a Thai massage from a layperson; imaging showed a spinal epidural haematoma from the neck to the upper back, treated with emergency surgery. The authors suggest massage, like chiropractic manipulation, may be associated with spinal trauma. A single case cannot show how often this occurs.

A short 2015 commentary lists possible harms of the massage, including fracture risk from rough technique, a reported heart attack around the time of a massage in which causation was disputed, and the absence of standard history-taking by some practitioners. It is a commentary and not a systematic safety study, and it was summarised from a processed page, so its detail should be checked before reuse.

Herbal preparations

Croton seeds are an ingredient of many traditional Thai recipes and, according to a 2025 rat study, are put through a traditional detoxification process before use. The study found no acute toxicity at 300 to 2,000 milligrams per kilogram, but untreated seed at 100 milligrams per kilogram caused a purgative effect, and the process lowered the measured amounts of two constituents. The sources reviewed do not report contamination or herb-drug interaction data, so those questions remain unaddressed here.

Suitability and care boundaries

The sources reviewed do not set out formal contraindications. The trial of massage against joint mobilisation excluded people with severe systemic disease, previous spine surgery, pregnancy, psychiatric disease and severe pain, so its results do not apply to them. The case report advises clinicians to consider spinal epidural haematoma when neurological complaints follow massage. New weakness, numbness or other neurological symptoms are reasons to seek urgent medical assessment, and massage or herbal preparations should not replace or delay necessary care.