Braces and elastic bands?

So I started wearing my elastics today and they don't really hurt (even though there heavy's witch is the strongest my orthodontic gives) but they do feel really really weird, they make my throat dwell like it's being pressed on and when ever I eat thing it's the food get stuck in my throat and is slowly sliding down I also burp alot when wearing them but the burps "burst" my throat is anyone eale dealing with any of this?!?!