Overview
Pain is much worse than expected.
Skin may change color.
When to get medical care
Causes
Caused by nerve system changes after injury.
OwieClear has pages on 1 condition that can cause burning pain, swelling, and color change in a limb after an injury. Each shows how soon to get care.
Common causes
- Complex regional pain syndrome (CRPS)See a doctor if it doesn't get better
Severe burning pain, swelling, and changes in skin color or temperature in an arm or leg, usually after an injury or surgery.
What you can do at home
- Keep moving gently.
Medicines
Physical therapy and medicines.
At the doctor
Diagnosed by exam.
Questions you may be asked
- Injury
The exam
A limb exam.
Tests
- Bone scan
Prevention
Early care.
- Move after injury
Check your symptoms
Most symptoms have more than one possible cause. The symptom checker looks at all of your symptoms together, plus your age, and shows how soon to get care.
Sources
Last updated 2026-11-13.