The short version
- The most common side effects are short-lived soreness, stiffness or headache, and most go away within 24 hours, according to NCCIH.
- Serious complications are very rare, and there are no accurate estimates of how often they happen.
- A link between neck manipulation and cervical artery dissection has been reported, but causation has not been established.
- Osteoporosis, bleeding disorders, blood thinners and inflammatory spine disease call for extra caution or a gentler method.
- A full history and exam before the first adjustment is the main safety step.
Is chiropractic care safe for most people?
For most healthy adults, spinal manipulation by a licensed chiropractor is considered low risk. The National Center for Complementary and Integrative Health (NCCIH), part of the NIH, describes the usual side effects as mild to moderate and short-lived. Serious complications do happen, but they are very rare.
Safety depends on two things: who is treating you and whether you are a good candidate. That is why a careful history and exam come before any chiropractic adjustment. Spinal manipulation means applying a controlled force to a joint of the spine to improve motion.
What side effects are common after an adjustment?
The most common reactions are increased soreness, stiffness or a headache. NCCIH reports that most of these go away within 24 hours. Some people also feel tired for the rest of the day.
These effects are similar to how your body feels after starting a new exercise. They are a reason to tell your chiropractor how you felt after the last visit, not usually a reason for alarm.
| Type of effect | Examples | How often | What to do |
|---|---|---|---|
| Common and mild | Soreness, stiffness, headache, tiredness | Common; usually gone within a day | Gentle movement, mention it at your next visit |
| Uncommon | Pain that lasts several days or spreads | Less common | Call the office so care can be adjusted |
| Rare and serious | Artery tear in the neck, worsening disc or nerve problem, cauda equina syndrome | Very rare; no accurate estimates exist | Emergency care right away |
Can neck manipulation cause a stroke?
Researchers have not settled this question. A cervical artery dissection is a small tear in the wall of an artery in the neck. It can cause a stroke, and it is one of the more common causes of stroke in younger adults.
Several studies have found that people who had this kind of stroke were more likely to have seen a chiropractor shortly before. A large population study from Ontario, Canada, found the same pattern for visits to primary care doctors. The authors concluded that people with an early tear often seek help for the neck pain and headache it causes, before the stroke happens.
The American Heart Association reviewed the evidence in 2014. It stated that a cause-and-effect link has not been established and that the risk is probably low. It also advised that patients be told about the statistical association before neck manipulation. We agree that you deserve that information.
Who should avoid spinal manipulation or use a gentler approach?
Some health conditions raise the chance of injury from a high-velocity adjustment. A 2015 study of Medicare patients aged 66 to 99 found higher injury rates in people with osteoporosis, bleeding disorders, long-term blood thinner use, inflammatory spine disease and aortic aneurysm. The study was observational, so it cannot prove the adjustment caused the injury, but it shows who needs extra care.
People in these groups may need:
- A lower-force technique, such as instrument-assisted or table-assisted adjustments.
- Treatment that avoids manipulation of a certain region entirely.
- Medical evaluation first, when symptoms point to a fracture, infection, tumor or nerve emergency.
Pregnancy is not a reason to avoid care on its own, but techniques change as the body changes. Our pregnancy chiropractic page explains how.
How does a chiropractor screen for safety?
A safe first visit starts with questions. You will be asked about your symptoms, past injuries, surgeries, medications and conditions such as osteoporosis. A physical exam checks movement, strength, reflexes and sensation.
When the history or exam raises a concern, imaging may be the next step. Our guide on why chiropractors take X-rays explains when imaging is and is not useful. If something suggests a problem outside chiropractic care, the right step is a referral.
How does the risk compare with other back and neck pain treatments?
Every treatment for back and neck pain carries some risk. Pain relievers, injections and surgery each have their own side effects, and NCCIH notes that spinal manipulation for low back pain produces benefits similar to other recommended therapies. Choosing between them means weighing your condition, your health history and what you prefer.
If you have neck pain, a reasonable plan often mixes hands-on care with exercise, which also lowers how much manipulation you need. Ask any provider in Dallas, chiropractor or not, what the risks are for your specific situation. A good clinician will answer plainly.
Frequently asked questions
Yes. Mild soreness, stiffness or a light headache after an adjustment is the most common side effect reported in research, similar to how muscles feel after a new workout. The National Center for Complementary and Integrative Health says most of these effects go away within 24 hours. Pain that is severe, keeps getting worse, or comes with new numbness or weakness should be checked promptly.
This question is still debated. Studies have found a statistical association between neck manipulation and a rare type of artery tear called cervical artery dissection, which can lead to stroke. A large Ontario study found the same association with visits to primary care doctors, which suggests people with an early tear may seek care for neck pain before the stroke happens. The American Heart Association says causation has not been established and that patients should be told about the association.
People with signs of a serious condition, such as a fracture, infection, tumor or cauda equina syndrome, need medical care first. Severe osteoporosis, bleeding disorders, high-dose blood thinners, active inflammatory arthritis of the spine and recent spinal surgery all call for extra caution. In those cases a chiropractor may use gentler methods, skip manipulation of a certain area, or refer you to a physician.
Serious problems appear to be very rare, but there has not been much rigorous research on spinal manipulation in pregnancy. NCCIH advises talking through the potential risks and benefits with your health care provider. Chiropractors who treat pregnant patients usually adjust positioning and technique for the changing body and avoid pressure on the abdomen.
Choose a licensed chiropractor, give a complete health history that includes medications and past surgeries, and say so if you have had sudden, unusual neck pain or headache. Ask what technique will be used and whether a lower-force option is available. Report any new symptoms at your next visit, and seek emergency care for stroke warning signs.
Sources
- NCCIH: Spinal manipulation: what you need to know (opens in a new tab)
- Biller J, et al. Cervical arterial dissections and association with cervical manipulative therapy (AHA/ASA statement), Stroke, 2014 (opens in a new tab)
- Cassidy JD, et al. Risk of vertebrobasilar stroke and chiropractic care, Spine, 2008 (opens in a new tab)
- Whedon JM, et al. Risk of traumatic injury associated with chiropractic spinal manipulation in Medicare Part B beneficiaries, Spine, 2015 (opens in a new tab)
- Cleveland Clinic: Chiropractic adjustment (opens in a new tab)
This page is general education, not medical advice. It cannot replace an exam. Results from any treatment vary from person to person.
