So I had a red spot just below my lip on the skin and i was afriad it was a cold sore.  However when i woke up the next morning it was a HUGE whitehead so I am guessing it was just a pimple.  I popped it and white pus came out like a normal pimple.   Every few hours the white head would come back and I kept popping it.... few days later it was swollen and feels like a cold sore (which i get every now and then ) and there were two other tiny blisters further up on my lip, ( not touching or clumped together like a normal cold sore) now this morning the two little blisters dont seem to be there anymore but the origional spot the "pimple" was is still swollen and a little painful...