Scratching an itch is so good, and so bad - Science News A mouse study on scratching, reported in the Jan 31 Science, fleshes out this head-scratching paradox and could point out ways to better curb pernicious itch in people
Scratching and allergic skin inflammation | National . . . Many skin diseases, such as dermatitis, feature a prolonged itching sensation This sensation encourages scratching, which can bring temporary relief but may also promote skin inflammation and more itching This prompts further scratching, leading to a vicious cycle of worsening disease
Why your itch gets worse when you scratch it - and what . . . Why does scratching become a cycle that's so hard to break? Dr Pillai describes the itch–scratch cycle as a loop powered by both skin and brain You feel an itch, so you scratch, then the skin releases more inflammatory chemicals, this is followed by the nerves becoming more sensitive, now the itch intensifies, and you want to scratch again
Study Reveals How Scratching Fuels Allergic Inflammation New research uncovers how scratching triggers an immune response that makes itching and inflammation even worse Scratching an itch is like snoozing your alarm It feels amazing in the
Scratching promotes allergic inflammation and host defense . . . Scratching in response to itch is clinically well recognized to exacerbate dermatitis and is pathogenic in some diseases However, scratching an itch is often a pleasurable sensation and does not trigger avoidance behavior, which suggests that it may provide some benefit to the host