hello doctor! my sister has a heat boil on her right breast. Few moths back she had the same on her left thigh she went to the doctor and took some antibiotics and aslo applied Nadoxin. She was completely relived. But now she has the same on her breast she applied Nadoxin, but the boil is the same and it still has not popped out. please help my sister....ths is there for past 1 week.