Please help! A week ago exactly I was on a plane and noticed little pain in my underarm. Later that evening I saw that it looked to be a small whitehead. The next day I had another one, the day after that I had another one and the next day I had a total of 6. Thinking they would go away after I popped them they continued to form. I asked a pharmacist who said they were just zits from irritation and to put neosporin on them. Now what I thought were small pimples are large lumps. All of the have formed into lumps about the size of a peanut butter M&M. They are extremely painful and have caused loss of sleep and it hurts to simply rest my arm by my side as I am always walking around with my arm out as if I am resting it on something. They are only growing larger and I'm not sure if I should see a doctor or what. Please, please, please let me know if you have any ideas or help.
Again simple symptoms, started out looking like small whiteheads and are now large, painful lumps.