Scratching an itchy bug bite may feel satisfying, but science shows it can actually make the problem worse. Researchers found that scratching activates immune cells called mast cells, increasing inflammation, swelling, and itchiness. It also triggers the release of a chemical messenger that amplifies the body’s inflammatory response, creating a frustrating itch-scratch cycle. While scratching may provide brief relief and even help remove some germs from the skin, the overall effect is more irritation and a longer-lasting itch. Experts recommend using anti-itch creams, calamine lotion, hydrocortisone, or menthol-based products instead. Resisting the urge to scratch can help your skin heal faster and reduce discomfort.
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