Weird lump in armpit

Last night i suddenly felt a pain in my left armpit, feeling around i discovered a small painful lump, just by glancing it with my fingers it broke, and some pus/blood started oozing out. I tried gently pressing on both sides and suddenly blood stood out, the pressure in the lump lessened and i didn't think anymore of it.

Today it looks like [this.](http://imgur.com/wVfqsCB)
It's roughly ½-1 cm deep.

Should i go see a doctor?

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curiousad
1 Answers
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Most likely just a cyst. Very very common in the underarm area. Use a wet hot towel to help draw it out and release the pressure. Probably only need to see a doctor if it gets infected and/or very swollen.

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