That's never a good thing. Go see a dermatologist right away. You may have "Hidradenitis suppurativa."
Under your armpit could be breast cancer. It is best you go see a doctor.
she poked armpit, left 3 tiny blood spots (yeah that was the best i could think of...) in the end of chapter 17.
he punched Stanley cos Stanley didnt call him armpit ;]
Tingling in the left arm and armpit could signal a heart attack. It also could be a sign of thoracic outlet syndrome.
The Black Plague was very painful because you would get huge tumors on your neck , armpit, and groin. You would constinly be coughing, and sneezing. You could vomit blood.
6 hours i believe is the standard before having blood work. I've sometimes cheated with an apple juice, but in general you should drink only water, and dont over hydrate! this could thin the blood just enough to disrupt testing.
If you have an infection in your body, the lymph system works to control the infection. The armpit soreness could be a lymphy node doing its job - fighting infection.
you could have pulled a muscle in your side.
the of your blood after birth could be blue and red.
I quote the Walrus: I don't believe in Beatles, I just believe in me." You could be the Walrus... BELIEVE!!
a clump or a lump? a lump could be an ingrown hair
The brachial artery runs right through the armpit so being punched there could cause nerve damage or internal bleeding.