So last night, I was at a friend's martial arts studio where we were working on various techniques.

At one point, the edge of his hand caught me where my neck and jaw come together on the left side. The hit was harder than he meant it to be, and I screwed up the defense.

Right there on the left side, the salivary gland area began to hurt a bit. Nothing major, but definitely noticeable. It hurt for the rest of the night, and this morning was quite visibly swollen. I've taken loads of Motrin, swilled tons of water, and iced it as much and as often as I can stand it.

Anything I'm missing or need to look for?