Bumps on both corners of my lip?

I recently had a bad cold and still have not fully recovered from it (I still have a cold now with a stuffy nose, etc..) and shortly after I got a painful bump on the left side of my lip. I picked at it so now it's cracked.. a few days later the same bump is now on the other corner of my lip too. It kinda feels like it's burning/pulsing and it hurts to open my mouth to eat. Any idea what it could ...click here to continue

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