Craniosacral Therapy: Claims, Evidence and Safety

What craniosacral therapy is

Craniosacral therapy (CST) is defined in a 2024 review as an intervention based on a gentle touch that allegedly releases restrictions in tissues influencing the "craniosacral system." [1] A 2019 review describes it as derived from osteopathic manipulative treatment, using mindful, non-invasive palpation (feeling with the hands) of fascia between the cranium (skull) and the sacrum (the bone at the base of the spine). [2]

It is widely used by osteopaths, chiropractors and some physiotherapists, according to the 2024 authors. [1] It is described as gentle touch, which makes it a different practice from the spinal and neck manipulation covered in massage and chiropractic care compared.

The proposed mechanism is not established

The underlying assumption of CST is that movement in the cranial structures causes rhythmic movements of the cerebrospinal fluid. [1] A practitioner is said to feel this "rhythm" by touch. These are proposed explanations, not measured findings. The authors of the 2024 review state that to date no evidence is available to suggest any mobility of the cranial bones, and that the reliability of palpating the rhythm is not supported by sound evidence. [1]

A critical review published in 1999 reached a similar view on assessment: it found low inter-rater reliability, meaning different examiners did not agree on what they felt. [3] We did not find newer evidence in the sources we read that establishes a craniosacral rhythm as a measurable feature of anatomy, so this page does not present one.

What the reviews found

Two systematic reviews of randomized trials reached opposite conclusions.

Evidence labels: mixed, insufficient evidence, no good evidence of benefit.

1. 2019, chronic pain (10 trials, 681 patients)

   Unclear

   CST beat treatment as usual, sham treatment and active manual treatments for pain intensity and disability, with effects lasting up to six months [2]

   Reading: positive, but see limits below

2. 2024, any condition (15 trials)

   Unclear

   No statistically significant or clinically relevant change in pain or disability for headache, neck pain, low back pain, pelvic girdle pain or fibromyalgia [1]

   Reading: negative

3. 2024, other conditions

   Unclear

   Not effective for infant colic, preterm infants, cerebral palsy or visual function deficits [1]

   Reading: no good evidence of benefit

Why do they disagree? They differ in scope (chronic pain only versus any condition) and in how they judged trial quality. The 2019 authors themselves said more trials strictly following reporting standards are needed. [2] The 2024 authors noted that two trials suggesting benefit in children were seriously flawed and their findings are likely false positive. [1] The 2024 review received no external funding. [1] Our reading: mixed, leaning insufficient evidence, with a further limit that touch-based treatments are hard to blind.

The 1999 review called the research then available low-grade evidence with inadequate protocols, and said methods that could conclusively evaluate effectiveness had not been applied to date. [3] The 2024 authors concluded that no good evidence supports its use in any condition. [1]

Claims that CST treats infant colic, cerebral palsy, vision problems or developmental conditions are not supported by the 2024 review. [1] Proper evidence not found for CST as a treatment for anxiety, sleep or "trauma release" in the sources we read; we searched PubMed reviews of CST and the open-access full texts above.

What a session involves

The sources we read describe gentle touch, but we did not find a regulator or professional body page we could read that sets out a standard session. So ask the practitioner to explain what they will do, where they will touch, and how to stop. Consent is ongoing and you can stop at any point. For general expectations see your first massage.

Safety and who should see a doctor first

In the 2019 review, five of the 10 trials reported safety data; no serious adverse events occurred, and minor events were equally distributed between groups. [2] In the 2024 review, ten trials did not mention adverse events, and the five that did reported none serious. [1] The 1999 review noted one study that reported negative side effects in outpatients with traumatic brain injury. [3] We did not find a source that lists who should avoid CST.

So, as a precaution, tell your doctor before trying it if you have a head or spine injury, a recent head injury or a neurological condition. If something feels like an emergency, call 911 (in the US) first, not a practitioner. A baby who cries for hours, feeds poorly or seems unwell, and an adult with a persistent or worsening headache, need a medical assessment first. NCCIH advises not to use massage therapy to postpone seeing a health care provider about a medical problem. [4]

Training and regulation

In the US, NCCIH says there is no standardized national system for credentialing complementary health practitioners, and required credentials vary widely by state and discipline. [5] We did not read a US page that describes CST-specific licensing, so it is not described in the sources we read.

In the UK, the Complementary and Natural Healthcare Council (CNHC) provides a voluntary register of health practitioners, and craniosacral therapy is among the professions it registers. [6] Voluntary means joining is not required by law. Whatever a practitioner's other licence is (for example massage therapist or physiotherapist), ask what training in CST they have. See choosing a qualified practitioner. We do not list practitioners.

Related pages

How to evaluate a therapy claim, understanding evidence in complementary health and massage evidence by goal.