Why is my dog not eating breakfast and throwing up foamy grass?

Question

My 4 year old great pyrenees usually eats 1.5 cups of Nutro limited ingredient lamb and sweet potato food twice a day AM and PM. He usually eats it all, but for the past few days, he has been skipping the AM feeding. He eats all of his PM feeding though. I was worried and offered him one of his treats in the AM yesterday and he ate it. This AM, no eating again and he threw up foamy grass. The soonest the vet could see him is Friday, so I'm wondering what this could be? What can I do? Thank you! Pet's info: Dog | Great Pyrenees | Male | neutered | 75 lbs

Jenna Beyer, DVM, MBA, cVMA · Accepted Answer

Hello, and thanks for using PetCoach! There could be several reasons for vomiting just in the morning, common causes would include dietary intolerance (unlikely if Falkor has been on Nutro for a while), dietary indiscretion (eating something he shouldn't), food allergy, intestinal parasites, bilious vomiting syndrome, among a few less common things. He definitely needs a thorough examination with a vet, and if he starts having diarrhea or becomes lethargic, you should see if the vet can fit you in sooner than Friday. In the meantime, you can see if changing up his food routines slightly to help with possible bilious vomiting syndrome. Feed Falkor a small meal right before bedtime, and give him breakfast first thing when he wakes up. We are trying to limit the amount of time he has an empty stomach at night. After examination and routine testing (like intestinal parasite screening, bloodwork, or xx-rays) to rule out other causes of vomiting, your vet may prescribe an antacid, medications to coat an upset stomach, or medications to help move things out of the stomach quicker in an attempt to manage the vomiting. I hope you have found this information helpful. Here is some more info on vomiting in dogs: http://www.petmd.com/blogs/nutritionnuggets/dr-coates/2014/june/feeding-dog-vomits-every-day-31825 https://www.petcoach.co/article/most-common-causes-of-chronic-vomiting-in-dogs/ https://www.petcoach.co/article/how-to-deal-with-chronic-vomiting-in-dogs/

Why is my dog not eating breakfast and throwing up foamy grass?

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