Pimple On Armpit With Pus. A boil or cyst accompanied by pus in the armpit should never be squeezed lanced or handled excessively. Get a blemish removal tool here.

Read below for more causes and treatments options. This is a medical video for educational purposes only. I tend to obsess and squeez them a lot and they get bigger but usually go away without treatment.
Popping giant pimple in armpit - YouTube.
A boil or cyst accompanied by pus in the armpit should never be squeezed lanced or handled excessively. Armpit acne can also be caused by an allergic reaction as well as skin irritation. He or she will likely make an incision and drain the infected area. William Blahd on WebMD says that cysts are noncancerous and will feel like a small pea under the skin.