Mild soreness, tiredness, or a short-lived change in your symptoms in the first 24 to 48 hours is a common response to your first visit. In a study of more than 1,000 new chiropractic patients, 55% reported at least one reaction over their first several visits, and most were mild or moderate.[1]
Your body is adjusting to new movement in joints and muscles that may have been stiff or guarded for a long time. This page explains what you might feel, why it happens, and what to do about it. In that study, 64% of reactions began within 4 hours of treatment and 74% were gone within 24 hours.[1]
A typical first few days
Based on one study of new patients. Your experience may differ.
Soreness: what to expect
Soreness after a first adjustment usually feels like a mild workout ache. In the largest study we reviewed, local discomfort was the most common reaction (53% of patients), followed by headache (12%), tiredness (11%), and radiating discomfort (10%).[1] Reactions were mild or moderate in 85% of patients, and most had faded within 24 hours.[1] Non-serious reactions after manual therapy are common across studies, though reported rates vary widely.[2]
You may notice:
- Dull achiness or tenderness around the adjusted area
- Muscle tightness or fatigue, sometimes a little tiredness overall
- Mild headache or a feeling of being “unwound” or slightly off-balance
- Stiffness that eases as you move
Why it happens: the exact cause is not fully established, but a reasonable explanation is that your joints and muscles are being asked to move in ways they haven’t in a while. Tissues that have been guarded or shortened can complain a bit when they are first stretched and loaded in new ways, much like the soreness after your first workout in months.
Why we ice: inflammation, acute and chronic
Ice may help ease short-term soreness, but the research behind it is limited. Reviews of ice for acute soft-tissue injury suggest it can reduce pain, yet the trials are small and low quality, and none we found tested ice after a chiropractic adjustment.[4][6] To understand where ice fits, it helps to know what inflammation actually is.
Acute inflammation (hours to days) is your body’s repair crew arriving. Infection and tissue injury are its classic triggers, and the response brings white blood cells and plasma proteins to the affected area.[7] When tissue is irritated or stressed, cells release chemical messengers such as histamine, bradykinin, and prostaglandins. These do three things:
- Widen nearby blood vessels, bringing more blood to the area (warmth and redness)
- Make vessel walls more permeable, letting fluid and immune cells in (swelling)
- Sensitize nerve endings (tenderness and aching)
White blood cells then clear out damaged debris, and repair cells begin rebuilding. This process is protective and usually settles on its own within days.
Chronic inflammation (weeks to months or longer) happens when the irritation never fully stops, for example from ongoing poor mechanics, repetitive strain, or long-standing joint dysfunction. Instead of finishing the job and shutting off, the immune response lingers. Researchers propose that a low-grade, tissue-level response to ongoing stress, called para-inflammation, is probably responsible for many chronic inflammatory conditions.[7]
Where ice fits: ice lowers the temperature of the tissue underneath and can dull pain.[5][6] Think of it as an optional comfort tool, not a requirement for healing.
How to ice safely
- Wrap an ice pack or bag of frozen peas in a thin towel. Never place ice directly on skin.
- Apply to the sore area for about 10 minutes. A review of the evidence found repeated 10-minute applications through a wet towel to be most effective.[5]
- Wait at least an hour before repeating, up to a few times a day for the first 24 to 48 hours. Avoid vigorous activity for about 30 minutes afterward, since ice can temporarily impair reflexes and motor function.[5]
- Stop if the skin turns bright red or white, or if you feel burning or numbness.
Why you might feel worse before you feel better
Short-lived reactions after a first adjustment are common and are not usually a sign that something went wrong.[1][2] In that same study, it was unusual for symptoms to start later than the day of or the day after treatment, to last longer than a day, or to be severe.[1]
Researchers have not pinned down exactly why some people flare, but these are the leading explanations:
- Long-guarded tissue is being challenged. Muscles and joints that have braced for months or years may protest when they begin moving differently.
- Your nervous system is recalibrating. Pain is partly your brain’s interpretation of signals from the area. When those signals suddenly change, the brain can take a day or two to update its picture. In one experiment with healthy volunteers, spinal manipulation reduced pain sensitivity in the treated area, possibly through pain-inhibiting pathways in the spinal cord.[8]
- Healing is an active process. Tissue stress can trigger the inflammatory response described above, which may briefly amplify familiar aches. This is a plausible explanation rather than a proven one.
- Surrounding areas are catching up. When one segment starts moving better, neighboring muscles and joints that were compensating have to adjust.
A flare-up that eases within a couple of days and is followed by gradual improvement is a good sign. A flare-up that is severe, keeps building, or comes with the warning signs listed below needs a call to us.
Why we see you again within a couple of days
We usually recommend a second visit within 2 to 3 days. This reflects our clinical approach to checking how you responded and adjusting your care; we did not find a trial that tests this specific timing.
- Reinforcing the change. Most reactions fade within a day,[1] so a visit at 2 to 3 days lets us tell a temporary reaction from a change that is holding.
- Checking your response. We can see how you reacted, whether you had soreness or a flare-up, and how your movement and symptoms compare with your first visit. That tells us whether to adjust the technique, intensity, or areas treated.
- Catching a rough patch early. If you are sore or flared, we can manage it, ease your discomfort, and keep you moving in the right direction.
- Building momentum. As things improve, we space visits further apart.
The right schedule depends on you, and we will adjust it as you respond.
What you can do, and when to call us
Helpful after your visit
- Drink plenty of water.
- Keep moving with gentle walking and easy stretching. Avoid long stretches of sitting or lying still.
- Hold off on intense workouts or heavy lifting for the first 24 hours, unless we tell you otherwise.
- Use ice as described above for soreness. Some people also find a warm shower or heat helpful for tight muscles after the first day.
- Notice what changes and when, and bring your observations to your next visit.
Call the office if
- Soreness or a flare-up is getting worse after 48 hours instead of easing
- Your symptoms feel significantly different from your original complaint
- You have questions or are unsure whether something is normal
Call 911 or go to the nearest emergency room if you experience
- Sudden, severe headache unlike any you have had before
- Difficulty speaking, facial drooping, vision changes, or sudden loss of balance
- New weakness or numbness in an arm or leg, or numbness in the groin or inner thighs
- Loss of bladder or bowel control
- Chest pain or trouble breathing
These are rare: no serious complications were reported in two large patient studies,[1][2] and stroke after neck manipulation is considered a rare and unpredictable event.[3] They still need urgent evaluation.
Sources
Retrieved through PubMed. Numbers in brackets above refer to this list.
- Senstad O, Leboeuf-Yde C, Borchgrevink C. Frequency and characteristics of side effects of spinal manipulative therapy. Spine. 1997;22(4):435-440. doi:10.1097/00007632-199702150-00017
- Peters R, Schmitt M, Mutsaers B, et al. Identifying patient characteristics associated with the occurrence of post treatment non-serious adverse events after cervical spine manual therapy treatment in patients with neck pain. Arch Phys Med Rehabil. 2023;104(2):277-286. doi:10.1016/j.apmr.2022.08.007
- Haldeman S, Kohlbeck FJ, McGregor M. Unpredictability of cerebrovascular ischemia associated with cervical spine manipulation therapy: a review of sixty-four cases after cervical spine manipulation. Spine. 2002;27(1):49-55. doi:10.1097/00007632-200201010-00012
- Bleakley C, McDonough S, MacAuley D. The use of ice in the treatment of acute soft-tissue injury: a systematic review of randomized controlled trials. Am J Sports Med. 2004;32(1):251-261. doi:10.1177/0363546503260757
- MacAuley DC. Ice therapy: how good is the evidence? Int J Sports Med. 2001;22(5):379-384. doi:10.1055/s-2001-15656
- Hubbard TJ, Denegar CR. Does cryotherapy improve outcomes with soft tissue injury? J Athl Train. 2004;39(3):278-279. PMC522152
- Medzhitov R. Origin and physiological roles of inflammation. Nature. 2008;454(7203):428-435. doi:10.1038/nature07201
- George SZ, Bishop MD, Bialosky JE, Zeppieri G, Robinson ME. Immediate effects of spinal manipulation on thermal pain sensitivity: an experimental study. BMC Musculoskelet Disord. 2006;7:68. doi:10.1186/1471-2474-7-68
This page is general information and does not replace the guidance we give you for your own care.