I have something similar to the original poster. I have some sort of
skin irritation that causes pimple-like
bumps around my mouth. It only affects the area around my mouth, especially in the little dip directly under my lower lip. It never actually "breaks out" on my lips, just around. I'm pretty sure it's not acne, at least not the regular acne, partly because it's only around my mouth and partly because there's no pus, the liquid inside is watery and clear-ish.