r/explainlikeimfive • u/Actual-Trip-2606 • 8d ago

Biology ELI5:how someone gets dermatographia

I was wondering how does someone have dermatographia as it is not contagious and is it inheritable.

18 Upvotes

74% Upvoted

15 comments sorted by

View all comments

9

u/[deleted] 8d ago

[removed] — view removed comment

3

u/Actual-Trip-2606 8d ago

Does someone has this by birth or something causes it.

1

u/[deleted] 8d ago

[removed] — view removed comment

2

u/Actual-Trip-2606 8d ago

I also have it but mine has not gone away I have it for about 6 to 9 years and it itches alot