[newdoggirl]

Adorable!

What food was he eating & what food is he eating now? It could be a lot of things...an allergy, over-eating, treats that aren't sitting right.

I assume he's acting normal otherwise or your vet would see you earlier. He might just still need time to settle into his new food.

 

[newdoggirl]

Yeah, I'd try ditching the can and see how he does.

I don't know a lot about puppies (we got our girl at 7 months old) but, she had crazy diarrhea from eating "Now" Grain Free Large Breed (similar to Orijen). We used to say she'd have "Starbucks S#!ts" because she'd just poop out everything she ate and Now is expensive! We tried other kibbles but nothing worked. Eventually, we switched to raw and she's been amazing ever since. She's lean has muscles, healthy teeth, coat, etc. So, if you can't figure out what's bugging him and he's testing negative for everything else, it's something to think about.