Glad to hear your results from the colonoscopy were good.
I've had 5 colonoscopies in the past 15 years. I always drank the gallon of Go-Lyte or other brand name until the last one. I had the Fleet phospho soda and it just about made me puke. The whole process -- light eating, liquids only, etc made me shake so bad and feel very nauseated. I can't go that long without food. The Fleet has the grossest taste (I can still imagine the taste), and the after effects of nausea were not so good. I could barely take down the second bottle.
I am always awake for the procedure (must watch the monitor), and the drugs were the same as I had the time before. The nausea was the same as was prior to the procedure, and when I was out for breakfast (which I always do), I couldn't even eat much. I was nauseated the entire day and slightly into the next day. Gravol was very helpful.
That was the longest colonoscopy process I've ever been through, I'd take the Go-Lyte any day. At least I can eat the day of the purge. I won't do the Fleet again, ever
So, your problem could be the drugs or the Fleet. If you're at home not doing anything strenuous, take Gravol which will help take off the edge of the nausea.
I do hope you feel better soon.
Please let us know the results from the biopsies. I hope everything is all clear.
Best to you,