I woke up this morning with a red lump on my upper arm, it is very prominent and sore to touch, can you give me an idea of what this could be. I am a C5/C6 tetraplegic and on warfarin, I have previously had blood clots in both legs and one in my lungs.
Hi, Dear thanks for the query to Chat Doctor. Causes for Your red upper arm lump-a-In my opinion it could be bedsore on the pressure points of your upper arm -if that lump is on the pressure points.b-or it could be a-Bedbug bite or Insect bite ? Or Spider bite.-The -as you are on warfarin sore red lump -has developed prominently post-insect bite.Don't worry, as this would go with Tb Cetirizine which you ask from your Family doctor. Hope this would help your worry to take proper steps for health. Wishing you fast recovery. Wellcome again if you have any more query in this regard. Have a Good Day.