Hi. I have several tattoos and the one in quiestion I have had for over a year. I had to give blood on the 1st of August. Ever since then this particular tattoo (closest to the draw site) is bumpy. My dr said she wasn't sure and if it got worse to come back. It has and hasn't. The bumps dried up and almost went away but last night in my sleep I must have scratched it and I woke up to huge bumps and my arm felt like it was on fire. Any ideas? I have another appt today with my dr...