Though drinking milk is not toxic for your dog, it can produce a lot of significant problems down the road. Many dogs are lactose intolerant to some degree, which means they have a difficult time digesting dairy products. Some of the symptoms of lactose intolerance after exposure to dairy products are: Loose stools.
What happens if a dog drinks milk?
Though they may be able to tolerate the sugar and protein, whole milk has a high fat content that could trigger vomiting and diarrhea nonetheless. It's also high in calories due to the fat and sugar content, so if dogs drink milk or eat dairy frequently, they could develop obesity or pancreatitis.
Why does milk make dogs puke?
Lactose intolerance is caused by a deficiency in Lactase, which is not uncommon in adult dogs. Feeding your dog a large amount of dairy can cause diarrhea, vomiting, and other signs of GI upset, because the lactose in the dairy isn't digested properly.
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