Skin Turns Red When You Scratch? Dermatographism Explained + 3 Tips to Help

16 Jun 2026 · 1 min
1:03

Dermatologist Shereene Idriss explains dermatographism, where scratching or rubbing your skin triggers red, itchy hives from histamine release. She recommends nighttime antihistamines like Allegra, cold compresses, and topical hydrocortisone for relief, especially during allergy season.

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