Infection?

Recently, I find there's a slight slit on the right of my lips. It's annoying when I wanted to open my mouth bigger. I'm so used to laughing my heart out while throwing my head back. But now, I have to restrain my laugh, cause it hurts when I accidentally open my mouth too big. Even when eating, I can't get food that is spicy or salty as it will sting my slit. Not only on my lips but on my ears too. You know, the join between my ear lobes and my jaw line. Hubs is taking me to skin specialist after work. Hopefully it can be cured before my big day, which is just 5 days away.