My advice -- don't wait a second longer, go seek a doctor's advice this instant!
I have a bad knee. Can't run or hike long distances. But cycling and doing aikido don't hurt as much as the former two activities. Still hurts, especially after a vigorous aikido session, but bearable and will disappear after an hour or two.
The point is you wouldn't want to reach my situation to only start getting a doctor's opinion. What you have felt is perhaps minor, nonetheless though let's not take chances, shall we?
Hope you do recover by the 25th. and good luck!