So for the past few months under my left armpit has been hurting/swelling up and is just getting worse leading to other symptoms.. so a few months ago I would have a pain under my armpit usely at night I could not lay on my left side it sent an extreamly Sharp pain to my left armpit/upper breast. So most of decemeber i have been constipaited having serious abdomial pain. I took magnozium citrit( as doctor ordered) cleaned me out bam no pain abdominal pain. But still pain in my armpit which now would move to my whole peck/breast and swell up, my girlfriend and I could both feel the difference and when armpit is swollen it is well noticed. That continuted with tthe constipion pain past Christmas. Two days before i was put on linness for IBS . Or what she said to get bowels moving she is set that I amn constipated. But I have been going to the bath room often lately often... And the abdonal pain has basically o mosy gone here n there through the day I have a dull felling I can feel it. But w like iy was before where o would be hunched over and guarding my side all day. But the pain from my armpit. and breast area has drmatically In creased. Pain now gos to my upper back, sholder blade and inbetween spaine. A few times the past two days I have the breast pain and a pain going into my neck. I m an 18 year old male. I just have the feeling that. Somethin. is not normel. I huge thing with all this pain started with yhe abdominal pain but that is usely not.hurting. the past month doing task like walking up a big hill with snow stuff on I get extreamly light headed and dissy to where I can t see and i have my eyes. Breathing is been very comlacated at times espaclly when doing a task needing a lot of energy. Sitting here typing this I have pain in my upper chest and it a full dullness pain in upper chest/brreast area when breath in