A pulled back, or muscle strain, happens when fibers in your back muscles stretch or tear. The good news: most episodes resolve in about 17 days, and what you do in the first 48 hours can significantly affect how quickly you recover and how much pain you experience along the way.
What’s Actually Happening in Your Back
When you “pull” your back, you’ve strained a muscle or tendon in the lumbar region. Twisting, lifting awkwardly, or even sneezing at the wrong angle can do it. The hallmark symptoms are localized pain, muscle spasms, swelling, and difficulty moving. You might have felt a sudden pop or sharp catch at the moment it happened.
This is different from a sprain, which involves ligaments (the tissues connecting bones at a joint) rather than muscles. Sprains tend to produce more bruising and joint instability. With a muscle strain, the dominant issue is spasm. Your muscles clamp down around the injury site to protect it, and that spasm often causes more pain than the tissue damage itself.
Ice, Heat, or Both
For most new injuries, ice is the standard first step. But lower back strains are an exception. Because so much of the pain comes from muscle spasm rather than tissue damage, heat is often more helpful than ice from the start. A hot water bottle, wheat bag, or warm bath can relax the muscles that are locking up around the injury.
If you do choose ice (particularly if you notice swelling), apply it every two hours while awake for the first 24 to 48 hours. Wrap it in a towel to protect your skin and keep sessions to about 15 to 20 minutes. After the first two days, switch to heat regardless. A heating pad, warm bath, or deep heat cream all work.
Which Pain Relievers Actually Work
Not all over-the-counter painkillers perform equally for back pain. Anti-inflammatory medications like ibuprofen and naproxen tend to work significantly better than acetaminophen for this type of injury. A review published in the BMJ found no evidence that acetaminophen relieved back pain, reduced disability, or improved quality of life compared to a placebo. A separate study in The Lancet confirmed that recovery time was identical (about 17 days) whether people took acetaminophen or a sugar pill.
Anti-inflammatories address both pain and the inflammation driving muscle spasm, which is why they’re more effective here. You can also combine them with acetaminophen safely, since the two types of medication work through different pathways and don’t appear to have additive side effects. Many people find the combination more effective than either alone. If you take acetaminophen, keep your daily dose under 3,000 milligrams to maintain a safety margin, even though the maximum approved dose is 4,000 milligrams.
Move Early, but Move Gently
Your instinct will be to lie still. Resist it. Research consistently shows that bed rest leads to worse outcomes for acute back pain, including greater disability even on the first day. Early, gentle movement promotes blood flow to the injured area, reduces stiffness, and helps your muscles recover faster. That said, you’re the best judge of how much rest you need in the first few hours. The goal is to avoid prolonged immobility, not to push through sharp pain.
Within the first day or two, start incorporating gentle movements. The NHS recommends these five exercises for new back problems:
- Pelvic tilts: Lie on your back with knees bent. Place your hands on your hips and slowly tilt your pelvis to flatten your lower back against the floor. Hold for two seconds, then tilt the other way to create a small arch. Repeat.
- Knee rolls: Lie on your back with knees bent and pointing toward the ceiling. Slowly roll both knees to one side, hold a few seconds, return to center, then roll to the other side.
- Single knee hug: Lying on your back, gently pull one knee toward your chest and hold briefly. Return and switch legs.
- Double knee hug: Same idea, but pull both knees toward your chest at once.
- Cat camel: On your hands and knees, alternate between arching your back upward and letting it sag downward in a slow, controlled motion.
Start with just two to three repetitions at a time. The key is frequency over volume: do a small set every hour rather than one long session. If any movement produces sharp or worsening pain, back off and try again later.
Sleeping With a Pulled Back
Nighttime is often when a pulled back feels worst, because you’re lying in one position for hours and muscles stiffen. Small adjustments to your sleeping setup can make a real difference.
If you sleep on your side, draw your legs up slightly toward your chest and place a pillow between your knees. This keeps your spine, pelvis, and hips aligned and takes pressure off your lower back. A full-length body pillow works well if you tend to shift positions overnight.
If you sleep on your back, place a pillow under your knees. This relaxes your back muscles and preserves the natural curve of your lower spine. A small rolled towel tucked under your waist can add extra support. Whichever position you choose, make sure your neck pillow keeps your head in line with your chest and back rather than propping it too high or letting it drop.
What Your Recovery Timeline Looks Like
Most pulled backs follow a predictable arc. The first two to three days are the worst: pain is sharpest, spasms are most frequent, and movement feels limited. By the end of the first week, you should notice meaningful improvement if you’ve been moving gently and managing inflammation. Full recovery for a typical strain takes about two to three weeks.
During recovery, avoid the activities that caused the injury. When you return to lifting, bending, or exercise, ease back in gradually. Jumping back to full intensity too soon is one of the most common reasons people re-strain the same area.
Signs That Need Medical Attention
Most pulled backs heal on their own, but certain symptoms suggest something more serious than a muscle strain. Get evaluated promptly if you experience severe or worsening weakness in your legs, numbness spreading into your groin or inner thighs, or any loss of bladder or bowel control. These can indicate nerve compression that requires urgent treatment.
You should also see a provider if your pain hasn’t improved at all after two weeks, if it’s getting worse rather than better over time, or if it followed a significant trauma like a fall or car accident. Pain that wakes you from sleep repeatedly or is accompanied by unexplained weight loss or fever points to something beyond a simple strain.