Most sternum pain is musculoskeletal, not cardiac, and responds well to a combination of rest, anti-inflammatory medication, stretching, and heat or ice. Chest wall problems account for roughly 25 to 50 percent of all chest pain complaints in primary care, with costochondritis (inflammation where the ribs attach to the breastbone) being the most common culprit. The relief strategy depends on what’s causing the pain, so identifying the source is the first step toward feeling better.
Rule Out a Heart Problem First
Before treating sternum pain at home, it helps to know what cardiac chest pain actually feels like compared to musculoskeletal pain. With costochondritis or a strained chest muscle, pain is typically sharp or stabbing, worsens when you take a deep breath or cough, and feels tender when you press on the breastbone. You might notice a specific sore spot you can point to with one finger.
Heart-related chest discomfort is different. People experiencing a cardiac event usually describe squeezing, tightness, or pressure rather than sharp pain. They often say it feels like an elephant sitting on their chest. If your sternum pain comes with shortness of breath, pain radiating to your jaw or left arm, nausea, or lightheadedness, treat it as a medical emergency.
Home Remedies for Musculoskeletal Sternum Pain
Costochondritis and chest wall strains often resolve on their own, but that process can take weeks to months. In the meantime, several approaches can reduce your discomfort significantly.
Over-the-counter anti-inflammatory medications like ibuprofen or naproxen target the inflammation driving the pain. Take them with food and use them consistently for a few days rather than just when pain spikes, since reducing the underlying inflammation is the goal. If anti-inflammatories bother your stomach, acetaminophen can help with pain even though it won’t address inflammation directly.
Ice works best in the first 48 to 72 hours or after any activity that aggravates the area. Apply an ice pack wrapped in a thin cloth for 15 to 20 minutes at a time. After the initial inflammatory phase, switching to a warm compress or heating pad can loosen tight chest muscles and improve blood flow to the area. Some people alternate between the two and find that more effective than either alone.
Avoid movements that reproduce the pain. That sounds obvious, but it means being mindful of things like heavy lifting, push-ups, and even twisting motions that engage your chest wall. Rest doesn’t mean total immobility, though. Gentle movement keeps the surrounding muscles from tightening up and making things worse.
Stretches That Ease Chest Wall Tightness
Tight pectoral muscles pull on the structures around your sternum and can keep pain cycling. A simple doorway stretch is one of the most effective ways to open up the chest. Stand in a doorway and raise both arms to your sides, bending your elbows at 90-degree angles with your palms facing forward. Rest your palms on the door frame, then slowly step one foot forward until you feel a stretch across your shoulders and chest. Stay upright rather than leaning forward. Hold for 15 seconds, step back, and repeat three times.
If raising your arms to 90 degrees hurts, drop your elbows slightly lower on the door frame. The stretch should feel like a gentle pull, not a reproduction of your pain. Doing this two to three times daily, especially after sitting at a desk, can gradually reduce the tension contributing to your sternum discomfort.
Research on noncardiac chest pain found that a three-week program of pectoral stretching exercises performed for 20 minutes, three times per week, produced meaningful pain reduction. When stretching was combined with trigger point treatment to the pectoral muscles, the improvement was even greater and lasted at least three months.
Breathing Techniques to Reduce Strain
When your sternum hurts, you may unconsciously shift to shallow, upper-chest breathing, which actually increases tension around the breastbone. Diaphragmatic breathing moves the work of breathing lower, into your belly, so your rib cage and sternum don’t have to expand as much with each breath.
To practice, lie on your back with your knees bent. Place one hand on your upper chest and the other just below your rib cage. Breathe in slowly through your nose, directing the air downward so your stomach pushes your lower hand outward. The hand on your chest should barely move. Breathe out slowly through pursed lips. Once this feels natural lying down, practice it sitting in a chair with your shoulders and neck relaxed. Even a few minutes of diaphragmatic breathing several times a day can noticeably reduce the chest wall tension that amplifies sternum pain.
Sleeping Without Making It Worse
Nighttime can be rough with sternum pain because lying flat puts pressure on the chest wall, and rolling onto your stomach compresses the breastbone directly. Side sleeping is generally the most comfortable option. Place a pillow between your knees to keep your spine aligned and reduce the tendency to roll forward onto your chest.
If side sleeping still bothers you, try propping yourself up at a slight incline using a couple of pillows or a wedge under your head and upper back. This position takes pressure off the sternum and also helps if acid reflux is contributing to your pain. A pillow or bolster under your knees while sleeping on your back can further reduce strain.
When Acid Reflux Is the Cause
Not all sternum pain comes from muscles and joints. Acid reflux produces a burning sensation behind the breastbone that can easily be mistaken for a musculoskeletal problem. The key difference is timing: reflux pain typically flares after eating, when lying down, or after consuming alcohol, coffee, or spicy food. It doesn’t get worse when you press on the sternum or take a deep breath.
Over-the-counter antacids neutralize stomach acid quickly and can provide fast relief. For more persistent reflux, lifestyle changes make a real difference: eating smaller meals, not lying down for two to three hours after eating, reducing alcohol and tobacco, and losing weight if that’s a factor. Elevating the head of your bed by a few inches can also keep acid from creeping upward at night.
After a Direct Blow or Injury
A bruised or fractured sternum from a car accident, sports collision, or fall follows its own timeline. A broken sternum heals on its own in most cases, but the pain can persist for three months or longer. There’s no cast or brace for a sternum fracture. Recovery relies on pain management, gentle activity, good nutrition, and avoiding smoking, which slows bone healing.
Ice the area in the first few days to control swelling. Use pain medication as needed so you can breathe deeply enough to prevent lung complications from shallow breathing. If you notice new symptoms like increasing pain, difficulty breathing, or swelling after a sternum injury, get medical attention promptly.
When Home Remedies Aren’t Enough
Most people find that a combination of anti-inflammatories, stretching, and time resolves their sternum pain within a few weeks. But costochondritis can sometimes last six months or more, and recurring episodes are common. If you’ve been dealing with persistent pain that limits your ability to work, exercise, or go about daily life, physical therapy offers several options beyond what you can do at home.
Trigger point injections, where a small amount of local anesthetic is delivered into tight knots in the pectoral muscles, have been shown to produce significantly greater pain reduction than stretching alone. A clinical trial found that patients who received weekly injections for three weeks alongside a stretching program had lasting improvement at the three-month mark. Other physical therapy approaches that show effective results include dry needling, deep friction massage, therapeutic ultrasound, and heat therapy applied directly to trigger points.
The typical path looks like this: start with home management for two to three weeks. If pain isn’t improving, see your doctor to confirm the diagnosis and discuss whether physical therapy or other targeted treatments would help move your recovery along.