Could the dark spots on your legs and arms be related to rheumatoid arthritis?
The symptoms you're describing sound like they could be splinter hemorrhages or signs of rheumatoid vasculitis, both of which can occur with RA.
Splinter hemorrhages appear as dark streaks or lines that look like bruises underneath the skin Show Full Answer
Could the dark spots on your legs and arms be related to rheumatoid arthritis?
The symptoms you're describing sound like they could be splinter hemorrhages or signs of rheumatoid vasculitis, both of which can occur with RA.
Splinter hemorrhages appear as dark streaks or lines that look like bruises underneath the skin. They're caused by damaged or leaking capillaries (tiny blood vessels). While they can be seen in people with RA, they're not exclusive to it and can also result from trauma or other conditions.
Rheumatoid vasculitis is a more serious complication that affects about 1 percent of people with RA. It typically develops in those who have had severe RA for 10 or more years. This condition causes inflammation of blood vessels, which can lead to:
- Purplish rashes (purpura) on the skin
- Skin ulcers, especially on the legs
- Dark spots that persist
- Numbness or tingling in affected areas
This is considered a medical emergency and requires immediate attention from your rheumatologist. The restricted blood flow can cause serious damage to organs and tissues if left untreated.
Please contact your doctor right away to get properly evaluated. They may need to perform a biopsy to diagnose the condition accurately and adjust your treatment plan.
December 21, 2025