![Dermatographia is a condition also known as skin writing. When people who have dermatographia lightly scratch their skin, the scratches redden into a raised wheal similar to hives. These marks usually disappear Dermatographia is a condition also known as skin writing. When people who have dermatographia lightly scratch their skin, the scratches redden into a raised wheal similar to hives. These marks usually disappear](https://preview.redd.it/swktnwl659i01.png?auto=webp&s=aac51871a7228df80a57fa093e760b386e8e21b7)
Dermatographia is a condition also known as skin writing. When people who have dermatographia lightly scratch their skin, the scratches redden into a raised wheal similar to hives. These marks usually disappear
![My dad has these scratches on his leg but has zero idea what they could be from. Any idea? : r/Weird My dad has these scratches on his leg but has zero idea what they could be from. Any idea? : r/Weird](https://i.redd.it/0hz8u9mur5hb1.jpg)
My dad has these scratches on his leg but has zero idea what they could be from. Any idea? : r/Weird
![Close-up of vesicles and scratch marks on the leg in a 57 year old female patient with lichenfied spongiotic dermatitis. Spongiotic dermatitis, a type Stock Photo - Alamy Close-up of vesicles and scratch marks on the leg in a 57 year old female patient with lichenfied spongiotic dermatitis. Spongiotic dermatitis, a type Stock Photo - Alamy](https://c8.alamy.com/comp/2ACJ27C/close-up-of-vesicles-and-scratch-marks-on-the-leg-in-a-57-year-old-female-patient-with-lichenfied-spongiotic-dermatitis-spongiotic-dermatitis-a-type-2ACJ27C.jpg)