[Acne] A pimple under the skin by my lip has gotten fucking enormous. What's should I do?

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This shit is way out of control. I thought it had a head and tried poping it. Didn't work, got bigger and harder. Then I tried exfoliating and using my prescription tretinoin x. Didn't work, got bigger and harder. One half looks like a deformed kylie jenner lip, the other normal. To make matters worse, I have class tomorrow and I kind of want to shave, my facial hair is getting to be a bit much. What do I do?
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Submitted by fingwalkingparadox