CHS Recovery Advice?

I have been having bouts of nausea for over a year, but this episode this past week was especially rough and encouraged me to quit smoking forever. I started getting sick last week and it worsened by Friday, I waited to go to my PCP until the following Tuesday, and my doctor has suggested concern for CHS before. I had continued smoking as I would feel relief from the nausea on a temporary ongoing basis from the last time I saw her for chronic GI upset in the fall of the previous year. But now I feel determined that I will not smoke, the bouts of nausea have been awful, im on a slew of different meds, including Halodol which I believe has been helpful but I’m still struggling with nausea and sleeping especially at night. I had a short stay at the ER where they gave me fluids and other therapeutic treatments. It’s been 4 days of not smoking and I was hoping to feel more relief by now, so I wanted to ask other folks about the timeline/trajectory of recovery because I’m feeling a bit stressed and discouraged. Thanks