Susan I think you are right. Either that or ithappens simultaneously. I feel a sting/intense itching and when I look there is usually a tiny raised bump or reddish raised area...before I scratch!
August 19, 2025
While the classic description of PN involves the itch-scratch cycle where scratching leads to nodule formation, the exact cause of PN isn't fully understood by researchers. The condition may be linked to changes in the immune system or increased nerve fibers/sensitivity in the skin, which could explain why some people Show Full Answer
While the classic description of PN involves the itch-scratch cycle where scratching leads to nodule formation, the exact cause of PN isn't fully understood by researchers. The condition may be linked to changes in the immune system or increased nerve fibers/sensitivity in the skin, which could explain why some people experience bumps before itching.
The nodules in PN can vary significantly in their presentation:
• They can be skin-colored, pink, red, or dark brown
• Range from tiny dots to quarter-sized bumps
• Appear in small numbers or hundreds across the body
• May be symmetrical on the body The immune response in PN involves cells that release substances called cytokines and histamines, which can trigger inflammation and itching. This complex interaction between the immune system and nerve endings might explain why some people experience the symptoms in a different order than the typical itch-scratch pattern.
Remember that everyone's experience with PN can be unique, and your pattern of symptoms is valid even if it differs from what's commonly described.
August 5, 2025