What's the current diet look like? Had an accident myself twice early on with Ozempic, that eventually stopped. No vomiting on my end, but there was gagging before certain foods, enough that a bunch of things got avoided entirely.
Drank a ton of yogurt-based drinks, might be worth trying for gut health and getting some nutrition in during the rough patches. Helped a lot personally.
Plain water and I still don't get along great either, partly from bariatric surgery, so herbal tea or anything drinkable, flavor packets mixed into water, or watered-down juice might be worth a shot.
Hope things improve soon, OP!