This rash/blotch on my leg has been here for a while now, i’ve done a lot of research and couldn’t find was it is, if someone could help that would be great

Answer:
it's allergy
Explanation:
allergy can be big and small
I also have sometime
it Can cause it to you when you go ner to then or wear them so prevent going close to which you are allergic or it will spread more
I am allergic to metals
it Can go away in 2-3 days
don't use any medicines
and also u can use face cream or powder that are used in house it can be Itchi sometimes don't worry about it
if it didn't go away in 3 day
please consent a doctor
I hope you are well
thank hope it help you