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.
Chapters
Hold up, wait a minute, all good, just a week ago, boom, at my house.
Dermatologist, and it took me over 12 years to learn this, and I'm gonna teach it to you in 30 seconds. It's a condition known as dermatographism. Literally means skin writing. As you see, my skin overreacts to minor friction, releasing histamine, turning your skin red, and oftentimes making it feel a little bumpy and itchy in the process. A type of physical urticaria, which is a fancy word for hives that come and go. Common triggers include rubbing, scratching, itchiness, but also stress, heat, exercise, which is why we don't do it outside, and rubbing after a hot shower. If this is driving you crazy or your itch is unbearable, take an antihistamine at night like Allegra, especially during allergy seasons. And when it pops up, cold compresses can really calm your skin down fast and efficiently. But if your itch is truly unbearable to the point where you got to pull your pants down in public to scratch that itch, running with a tube of hydrocortisone will save your sanity and calm that itch down much more efficiently. And if you do not want to get arrested— Stay Stay hidden behind the bushes until that itch calms down and you can pull up your pants.