After a car accident, almost everyone asks us the same thing within the first few minutes: how long is this going to hurt? It is a fair question, and the most useful answer is not a single number. Back pain after a crash follows a few common patterns, and knowing which one you are in tells you whether to wait it out or get checked.
We are Dr. Brenda Slovin and Dr. Erik Slovin, and we have spent more than 25 years working with people after car accidents. Here is what we want every patient to know.
The typical timeline for back pain after a car accident
For most kinds of back pain, the general picture is encouraging. The NHS says back pain usually improves within a few weeks, though it can sometimes last longer or keep coming back. Mayo Clinic gives a similar picture, noting that most back pain improves over time with home care and self-care, often within a few weeks.
Car accidents add a wrinkle. The force of a collision can strain muscles, ligaments and joints in ways an ordinary tweak does not. A large study of 948 people seen in emergency departments after a motor vehicle collision found that 37% still had moderate or severe low back pain six weeks later, the same share as those with neck pain. In other words, back pain that is still around a month and a half after a crash is common. It is not a sign that something is wrong with you, but it is a sign that it deserves attention.
A rough way to think about it:
- The first few days: soreness and stiffness are common, especially when you first get up or after sitting.
- Two to six weeks: many people notice steady improvement. Pain that is the same or worse at this point is worth having evaluated.
- Past three months: pain that continues longer than three months is called chronic pain. It needs a proper look, not more waiting.
What is normal and what is not
Normal after a crash usually looks like this: an aching or stiff lower or mid back, tightness when you bend or twist, discomfort after sitting in the car, and pain that slowly eases from week to week, even if it has ups and downs.
Some symptoms are not normal and should not be watched at home. The NHS advises urgent care if back pain comes with tingling, weakness or numbness in both legs, loss of feeling around the genitals or bottom, or changes in bladder or bowel control, or if it started after a serious accident such as a car accident. Mayo Clinic lists back pain that follows a fall, blow to the back or other injury, or that comes with a fever, as reasons for prompt attention.
See a doctor soon (not necessarily the emergency room) if your pain:
- spreads down one or both legs, especially below the knee
- comes with weakness, numbness or tingling in a leg
- is severe and does not ease with rest, or is worse at night
- has not improved after a few weeks
We wrote more about warning signs in 5 Red Flags That Your Lower Back Pain Is Serious.
What helps in the weeks after the accident
Every injury is different, so there is no one plan that fits everyone. Still, a few things come up again and again in reputable guidance and in our own experience.
Keep moving, gently. The NHS recommends staying active and continuing with your daily activities as much as you can, and advises against long periods in bed. Short walks and changing position often are good starting points.
Use heat for stiffness. Many people find a heat pack or hot water bottle, wrapped in a towel, helps with stiffness and muscle spasm, which is what the NHS suggests.
Get evaluated early. A crash can involve the spine, pelvis, ribs and the joints around them. An exam sorts out what is muscle soreness and what needs imaging or a referral. Starting early gives you a clear baseline and a record of what happened, which matters if you later deal with an insurance claim.
Pay attention to the trend, not one bad day. Ask yourself whether you are better than a week ago. If the answer keeps being no, it is time to get help instead of waiting another month.
How we approach back pain after a car accident
Personal injury and complex, long-running cases are a large part of our practice at Slovin Chiropractic Center, 99 Main Street in Norwalk, CT. When you come in after an accident, we start with a careful history and exam, look at how your spine and pelvis are moving, and decide together whether chiropractic care makes sense or whether you need imaging or another specialist first. If something on the exam points to a problem outside our scope, we tell you and refer you.
You can read more about how we work with crash injuries on our Auto Injuries page, and about longer-term back problems on our back pain page. We accept most major insurance, we speak Spanish, and Saturday visits are available by appointment only.
Frequently asked questions
How long does back pain last after a car accident?
Most back pain improves within a few weeks, but pain after a crash often lasts longer. In one large emergency department study, 37% of people still had moderate or severe low back pain six weeks after a collision. Pain that is not improving after a few weeks should be evaluated.
Is it normal to have back pain days after being rear ended?
Soreness and stiffness in the first days after a rear end collision are common. Numbness, leg weakness, bladder or bowel changes, or severe pain are not normal and need prompt medical care.
When should I see someone for back pain after a car accident?
Get urgent care right away for red flag symptoms. Otherwise, it is reasonable to get checked soon after the accident, and you should be seen if pain spreads into a leg, keeps you up at night, or has not improved after a few weeks.
If your back has been hurting since an accident, call us at (203) 840-0000 or stop by to book a visit.

