Sorry but I'm having a difficult picturing a red bump. It might be an ingrown hair or it might be a sexually transmitted infection, especially if you're itchy. Since you're worried, it's best to go see
Couple of comments, and our Bump ...by
Dr. Johanna Marie McShane
we should be thoughtful about how we use that term. Personally, I'm more fond of "an increase in symptoms or behaviors... that have already been present.
It's important to pay attention to relapses. Some kinds of increases in symptoms are indicative...
More likely than not, the smll red hard lump on your elbow is unrelated to the one on your back. Possibilities include sebaceous cysts & lipomas. I doubt that you have an abscess which is typically described as painful the