Why do you get itchy sores on your arms and legs that appear in the same spots?
These itchy bumps could be prurigo nodularis (PN), a skin condition that can develop in people with lymphoma. PN starts with intense itching, and scratching or rubbing the itchy areas causes bumps to form in the skin.
The bumps typically Show Full Answer
Why do you get itchy sores on your arms and legs that appear in the same spots?
These itchy bumps could be prurigo nodularis (PN), a skin condition that can develop in people with lymphoma. PN starts with intense itching, and scratching or rubbing the itchy areas causes bumps to form in the skin.
The bumps typically appear evenly on both sides of the body, which explains why you're seeing them in matching spots on your arms and legs. They commonly develop on arms, legs, torso, and buttocks - basically anywhere you can scratch.
Early signs include persistent itching that may feel like stinging, burning, or even insects crawling on your skin. The bumps usually appear about six weeks after the itching starts and can range from very tiny to about 1 inch in diameter. It's important to discuss these symptoms with your doctor to confirm whether it's prurigo nodularis or another skin condition. Sometimes what looks like ordinary bumps or bruises can be related to lymphoma itself, so showing your physician or sending pictures is always a good idea.
If it is PN, your doctor can suggest treatments to help manage the itching and discomfort while you're living with lymphoma.
December 21, 2025
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