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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Could Be The Reason For Having A Bump On My Armpit?

I have a bump on my armpit that at one time was quite big, I pressed on it and yellow puss came out, now it keeps coming back in the same spot for the past couple years, and because i pop it frequently it hasn't grown to that size again. It is not painful, but what is it?
Fri, 6 Jun 2014
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Dermatologist 's  Response
Hello and welcome to healthcaremagic

I would keep a possibility of Furuncle/boil, which is bacterial infection of the hair follicle with surrounding cellulitis. The infection usually gaining entry through the hair follicle.

The best way to approach is to start on an empirical oral antibiotic for a week OR 10 days (My choice of oral antibiotic would have been Amoxycillin 500mg in combination with clavulanic acid 125 mg, thrice daily, for a week OR Cephalexin 500ng thrice daily OR Cefadroxil 500mg twice daily, for a week). This would take care of the infection.

An OTC antibacterial cream/ointment e.g 2% mupirocin can be applied twice daily.

An OTC pain killer e.g ibuprofen once or twice daily would help you deal with the pain.

If the lesion does'nt respond or continue to enlarge, it may have to be incised to drain the pus

regards
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What Could Be The Reason For Having A Bump On My Armpit?

Hello and welcome to healthcaremagic I would keep a possibility of Furuncle/boil, which is bacterial infection of the hair follicle with surrounding cellulitis. The infection usually gaining entry through the hair follicle. The best way to approach is to start on an empirical oral antibiotic for a week OR 10 days (My choice of oral antibiotic would have been Amoxycillin 500mg in combination with clavulanic acid 125 mg, thrice daily, for a week OR Cephalexin 500ng thrice daily OR Cefadroxil 500mg twice daily, for a week). This would take care of the infection. An OTC antibacterial cream/ointment e.g 2% mupirocin can be applied twice daily. An OTC pain killer e.g ibuprofen once or twice daily would help you deal with the pain. If the lesion does nt respond or continue to enlarge, it may have to be incised to drain the pus regards