i just don't understand what this bump is
i just don't understand what this bump is
How long has this been there? Is it growing, itching?
There is no way to diagnose what you are seeing from here. There are just too many possibilities from a sebaceous cycst which often disappear on their own, warts, other bacterial infection, a rash, an allergic reaction to something, or an sexually transmitted disease.
Something on skin which is red and hurting for no apparent reason is cause to be seen by a doctor, if you think it too worrisome, who can examine, test, and if necessary, treat whatever it is.
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