Vomiting / changes

Hi
I have cirrhosis with most of the symptoms that go a long with it.
Nausea and frequent vomiting  have been a consistant problem. The last few days
however the nausea has been worse but just as I start to actually vomit it's like it's blocked
I know that our stomach are made not allow  food to reflux into the esopagus but this is
more like something else is stopping it.from coming up. and quiet  frankly its worse than actually vomiting
I am able to swallow , eat and drink with out difficulty.
Does any one have any ideas.
I see enough Drs with out calling everytime something changes.
Gail