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		 That happened to me about 10 years ago with the huge cyst in the armpit. It's from the aluminum in antiperspirants. It can block your sweat glands which causes a pretty bad infection. 
The dumbass who is trying to pop it at home is a fool and he needs to go to the doctor asap. The infection is much deeper than the cyst on the surface, especially with one that large. 
		
	
		
		
		
		
		
		
			
		
		
	
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