If you are struggling with gastroparesis there are precious few drugs - prokinetics - that can offer much assistance to the frail PWP.
Prucalopride is pretty much the best bet but, and certainly if you are in the UK, getting hold of that will be mightily difficult...will require much jumping through hoops and, likely, the assistance of an open-minded and flexible gastro specialist...Lotsa luck!
youtube.com/watch?v=dZsbO92...
The above video ably addresses the shortcomings of most prokinetics for PWP.
There is an alternative: Motilitone, which is approved in South Korea.
ncbi.nlm.nih.gov/pmc/articl...
I have been able to buy it from here:
korepharm.com/en-gb/product...
After a week or so, my mum's symptoms appear to be improving.