Any help would be helpful

Excuse my hairy leg lol

I don’t really have time to go to the doctor and recently I went down my backyard and there is this green with purple/violet ugly plant

And last night after I took a shower as I layer in bed my leg was very uncomfortable and it don’t itch it just kinda feels like it burns a little and it’s red like irritated

Please any help would be appreciated

Update: I took a shower and I washed it off with water and soap a few times and so far it’s almost gone it’s night so within the day it reduced thank you everyone who commented it’s appreciated