No, Chiropractic Adjustments Don’t Cause Strokes — But Misinformation Might Give Me One.
your neck adjustment isn’t the problem — your google search history is…
When people hear about chiropractic care, especially spinal adjustments, one of the first concerns they voice is safety — specifically, whether adjustments can cause strokes or other serious complications. This fear, often fueled by sensational headlines and misinterpreted research, deserves a evidence-based review. So, let’s break it down through six major studies that have examined this issue from different angles.
1. What the Research Really Says About Risk
A large retrospective analysis found that serious adverse events among people receiving spinal manipulative therapy are exceedingly rare — far less frequent than complications from many common medical interventions (1). The rate of severe outcomes is estimated at less than one per several million treatments, giving strong reassurance that chiropractic adjustments are statistically very safe when performed by trained professionals.
2. Looking at Cervical Artery Dissection
Several studies have explored whether chiropractic care could trigger a cervical artery dissection — a tear in a neck artery that can lead to stroke. These include investigations of U.S. adults (2), studies assessing vertebral artery dissection in patient cohorts (3), and a case-crossover analysis of carotid stroke risk after chiropractic care (4). Each found little to no evidence suggesting a causal relationship, noting instead that people who suffered dissections often sought care for neck pain that was already an early symptom of a vascular injury. In other words, the stroke risk was linked to the underlying condition, not the adjustment itself.
3. Putting It into Systematic Context
Two systematic reviews help clarify the broader picture. The first assessed cervical spine manipulation and carotid artery dissection (5), finding no proven causal link between chiropractic treatment and dissections. The second — a meta-analysis of chiropractic care and cervical artery dissection — reinforced that conclusion, reporting that current evidence does not support causation (6). Together, these reviews show the scientific consensus: chiropractic adjustments are not established causes of arterial injury.
4. Understanding Correlation vs. Causation
The misunderstanding often arises because of timing. If someone develops stroke symptoms after visiting a chiropractor, it’s natural to assume the two are connected. But in most documented cases, the dissection was already underway before the appointment — producing neck pain, dizziness, or headaches that prompted the visit (2–4). The adjustment didn’t cause it; it was simply coincidental timing.
5. What This Means for Patients
For patients, these findings mean you can confidently include chiropractic care in your wellness plan without undue fear. Skilled chiropractors use precise, evidence-based techniques, and ongoing research has confirmed that serious complications are exceedingly uncommon. As in all healthcare, communication is key — let your practitioner know about any unusual symptoms or medical history, and they will tailor care accordingly.
Take‑Home Messages
Serious complications from chiropractic adjustments are extremely rare, with fewer severe outcomes than many routine medical procedures (1).
Research shows no causal link between spinal manipulation and stroke or arterial dissection (2–6).
People who experienced dissections often had pre-existing vascular conditions, causing neck pain before treatment (2–4).
Remember, correlation doesn’t mean causation — timing does not prove the adjustment caused the event (3,4).
Chiropractic care, when delivered by qualified professionals, is a safe and effective option for musculoskeletal pain and joint health (1,5).
Sharing your medical history helps ensure care that is both safe and personalized.
References
A retrospective analysis of the incidence of severe adverse events among recipients of chiropractic spinal manipulative therapy. Eric Chun‐Pu Chu, Robert J. Trager, Linda Yin‐King Lee & Imran Khan Niazi Scientific Reports | (2023) 13:1254 | https://doi.org/10.1038/s41598-023-28520-4
The association between cervical artery dissection and spinal manipulation among US adults James M. Whedon, Curs L. Petersen, William J. Schoellkopf, Scot Haldeman, Todd A. MacKenzie, Jon D. Lurie European Spine Journal (July 2023) https://doi.org/10.1007/s00586-023-07844-9
Chiropractic associated vertebral artery dissection: An analysis of 34 patients amongst a cohort of 310 Akash Mitra, Hooman A. Azad, Nikil Prasad, Nathan A. Shlobin, Michael B. Cloney, Benjamin S. Hopkins, Babak S. Jahromi, Matthew B. Potts, Nader S. Dahdaleh Clinical Neurology and Neurosurgery 206 (2021) 106665
Risk of Carotid Stroke after Chiropractic Care: A Population-Based Case-Crossover Study J. David Cassidy, DC, PhD, Dr MedSc, Eleanor Boyle, PhD, Pierre Côté, DC, PhD, Sheilah Hogg-Johnson, PhD, Susan J. Bondy, PhD, and Scot Haldeman, MD, PhD A Journal of Stroke and Cerebrovascular Diseases, Vol. 26, No. 4 (April), 2017: pp 842–850
The Association Between Cervical Spine Manipulation and Carotid Artery Dissection: A Systematic Review of the Literature Chadwick L.R. Chung DC, Pierre Côté DC, PhD, Paula Stern DC, Georges L'Espérance MD Journal of Manipulative and Physiological Therapeutics Volume 38, Issue 9, November–December 2015, Pages 672-676
Systematic Review and Meta-analysis of Chiropractic Care and Cervical Artery Dissection: No Evidence for Causation Ephraim W. Church, Emily P. Sieg , Omar Zalamo , Namath S. Hussain , Michael Glantz, Robert E. Harbaugh (February 16, 2016) Systematic Review and Meta-analysis of Chiropractic Care and Cervical Artery Dissection: No Evidence for Causation. Cureus 8(2): e498. DOI10.7759/cureus.498