Scratching an itchy rash worsens inflammation by triggering pain-sensing neurons and activating mast cells, creating a ...

A sun rash is an immune system reaction to sunlight exposure that causes itchy bumps, raised patches, or blisters on your skin. Here’s why and how to find relief.

The research highlights why avoiding scratching is essential for healthier skin. Scratching may feel good in the moment, but it often makes rashes worse by increasing inflammation. While it can help ...