I Was Eating Goldfish Crackers. I Must Not Of Swallowed

I was eating goldfish crackers. I must not of swallowed well and the way it feels I either scratched my epiglottis or got a small piece stuck. It hurts when I breath deep like I feel a vibration off it and it's sore. What can I do to relieve this? I tried hot water deep breathing I don't know.