I can't tell you what to do about all those drugs your vet is prescribing for your dog but I know for my own dog I'd probably not use any of them.
What I would do is switch to a species appropriate raw diet...
What You Should Know When Your Dog is Vomiting from DogHelpNetwork.com!by
Ryan R.
HelpNetwork.com !
There are many reasons for dogvomiting . He may have eaten something spoiled, eaten too fast for his stomach to handle... at a time, so changing his meal schedule may be a simple fix to your dog’s vomiting. However, a dog or puppy...
DiarrheaDog Infoby
heru m.
allergies in dogs and cats can cause diarrhea, vomiting or itchy skin. Toxins including lead... for specific tests to determine the cause of diarrhea. (Anatomy of the digestive system: dog / cat)
Small...
Advanced Animal Nutrition Recalls Dog Power Dry Dog Foodby
FDA
with a reluctance to eat, vomiting, yellowish tint to the eyes or gums, or diarrhea... of its dry Dog Power Dog Food- due to aflatoxin levels that were detected above the acceptable limit...
that she has ate tthe full pouch or can. x
More food for thought. :-) Dogs who periodically vomit and eat grass..., the dog may eat grass and vomit yellowish fluid in an attempt to relieve the discomfort...