See a doctor. See pcp.
It . It is certainly possible if you have been exposed to someone who has herpes. Herpes infections of the lip often start as little bumps that mimic acne and seem to ooze a fluid and then crust over after a few days. Take a look at the link below to see if the picture looks similar to what you are talking about. A dermatologist can perform a viral culture which can help determine whether it is herpes but the culture needs to be of an active lesion.
Pimple on lip line, thought herpes, but no pain, tingling etc. Popped it, little puss, today had scab bit, underneath just bright red skin, justa zit?
Still Herpes. See your pmd for proper evaluation and treatment. Partner can help. Read more...