hello there,
your symptoms can be due to any infection or
herpes or any pathology of breast that has spread to your armpit or high blood sugar.
work up that can be done in your case is USG both breasts with armpits,
complete blood count, blood sugar.
it would have been helpful if photo of the affected area had been available.
still let us try and help you.
kindly try tablet zifi 200mg twice daily for atleast 7 days, tablet
metrogyl 400mg twice daily for 7 days,tablet PCM 500, thrice daily.
aloe Vera for local application,tablet
cetirizine at bed time, tablet nurokind G once a day.
kindly let us know the results of reports and medicines, please discuss the same with your doctor.