Welcome, @honeychips. Fellow member @bburg's thought is certainly worth investigating. Have you recently started any new medication?

Additionally, I wonder if either of these discussions might give you some ideas to look into:
- New Dermatographia: What is helping you? https://connect.mayoclinic.org/discussion/new-dermatographia/
- Undiagnosed: Allergy symptoms without being allergic. Ideas? https://connect.mayoclinic.org/discussion/undiagnosed-allergy-symptoms-without-being-allergic-ideas/
- Post COVID skin conditions: What can I do to control the reactions? https://connect.mayoclinic.org/discussion/post-covid-skin-conditions/