 [ Symptoms ] weird bump on skin that changed from pink to brown and developed a sore it is firm and not painful what could it be  this bump developed a few years ago it does not hurt but sometimes the skin around it gets very sensitive and feels like it is burning it does not hurt but it has changed color and it developed a wound when i do not remember injuring myself there it kind of worries me any idea [ Disease ] i have experience a poison ivy recurrence as well my brother had been working outside with it unbeknownst to him and when he came inside decided he wanted to try and see if he could pick me up he picked me up from behind and i my arms against my chest when he did it he then ended up with a horrific poison ivy rash all over his arms face and legs and i had a poison ivy in lines across my arms where his had touched mine it eventually got better but 6 months later i got strep throat when i got sick the rash re appeared in the exact same distinct pattern across my arms except it was a much lighter rash this time around…it still itched like poison ivy though i am guessing it had something to do with my immune system launching against my strep throat and somehow re activating my original response to the poison ivy…