Limb pain that keeps climbing after a crash needs emergency care
An orthopedic trauma surgeon and an emergency doctor explain compartment syndrome
Some swelling is normal after a broken bone or a deep bruise. Severe pain that keeps getting worse is another matter. Acute compartment syndrome happens when pressure builds inside a muscle compartment, an enclosed group of muscles. The pressure cuts down blood flow to the tissue. It can follow a crush injury, a fracture, surgery or a cast that’s too tight. Orthopedic trauma surgeons and emergency doctors treat it as a problem where time counts. [1]
The pain pattern to watch for
Get emergency care if the pain is far worse than you’d expect from the injury. Be especially alert if it keeps climbing despite the pain treatment you were prescribed. The limb may feel very tight or swollen. Numbness, tingling or weakness may show up. Don’t wait until every possible sign appears. [1]
Is pain under a cast or splint still rising after medicine and keeping the limb raised? Get medical advice right away or go to the emergency room. Tell the team exactly when the pain changed and whether your fingers or toes feel different. Do not take off a prescribed cast yourself. Don’t put off care to try more home remedies. [1]
Why fast care makes a difference
No one can confirm compartment syndrome at home. Doctors examine the limb and may measure the pressure inside it. If acute compartment syndrome is found, surgery may be needed to relieve the pressure. Early treatment helps protect muscles and nerves. Don’t ask yourself whether you can put up with the pain. The safer question is “Is this pain changing in a way that needs an exam now?” [1]
Other causes of swelling
Swelling can also come from the first injury, an infection or a blood clot. Each of these needs different treatment. Describe exactly where the problem is, when it started and how bad the pain is. Also describe the color, the feeling in the limb and how well you can move it. Tell your doctor about any cast, surgery or crush injury. Don’t pick a cause based on a photo or an online symptom list. [1, 2]
If you’ve already been examined, hold on to your instructions for when to return. A pattern that’s new or getting worse after you go home still matters. Ask whether changes in swelling, pain, feeling or movement should send you straight back to emergency care. [1]
- Is this pain worse than expected for my injury?
- Has the feeling or movement in my limb changed?
- Do I need to be checked again in the emergency room right now?
Go now if limb pain is severe and rising
Is pain in an arm or leg severe and getting worse after an injury or under a cast? Get emergency care now. Don’t hold out for your next scheduled fracture appointment. [1]
Sources and further reading
This general guide draws on orthopedic trauma and emergency medicine. Possible acute compartment syndrome is an emergency. Get checked right away for severe limb pain that keeps getting worse after an injury.
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