​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​I dont know what this is on my lip! Is it a pinple or a cold sore?? Theres white puss inside and its starting to swell up my upper lip! Someone please help