i have JVM but latley something differnt is happening can someone help please

Iv been diagnosed for 4 years and nothing like this is been happening, recently when I try to say something my mouth stays opening and I can't talk I have no control over it also whenn I was praying I was standing up right and just fell straight into the ground but I got up right away this happend once the mouth thing keeps happening ans I don't know why can someone help me please