What age is the child? Constant questions and chatter is normal also movement that's what kids do , can you enlarge on the fear of choking and vomiting ?
Very important questions by margy. I would add - are any of these also problems at school?
Hm. My son has sensory issues and gagging/choking are a real concern of his. As a tiny toddler/baby switching to solid food---- he did indeed choke and gag on food quite a bit and it created a fear for him. He had trouble chewing which caused the gagging and choking issue.
Is that the kind of thing you are speaking of?
My son was/is constant motion as well. He is what they call a sensory seeker and bumps into things and actually craves movement for her nervous system to feel right.
So, no one can diagnose your child here but maybe can give you some ideas to look into. Of course, it could all be normal too.
More information would be helpful!