Underarm boils again?

ok so a few week before christmas i have about 8 boils underneath my right arm they were realy painfull and it hurt to put my arm down and move. Think these could enjoy been cause by using dry clor (stops excessive sweating) but i didnt get them beneath my left arm..
I also get one on my lower back that be big and i have no notion what caused that?
So i be on antibiotics and that cleared them up.
but now they are coming posterior under my arm and it cant enjoy been cause by dry clor this times as i havent used it since last time. presently i have 2 below my arm and this is how it started last time.
any perception what could be causing them?
and what i can do?
im 17 if this help too
no family history Given your age it sounds close to Hidradenitis Suppurativa. I say given your age because Suppurativa is inverse acne.
Medline states:
No one know what causes HS. It is more adjectives in women, African-Americans and associates who have have acne. It usually starts after the teenage years. Treatments include antibiotics, anti-inflammatory medicine and sometimes surgery. Losing weight and wearing loose clothing can give support to, too.
You can read more about it and how to treat it here:
http://familydoctor.org/online/famdocen/...
Go to the doctor first of adjectives. My husband has have them and they can get infected if you don't bring care of them.