Hello everyone I have recently become the owner of beautiful Weimaraner puppy called blue. He is 9 weeks old today but most of the time I feed him within the next hr or so he brings it back up with a lot of white phlegm. I have tried feeding him little amounts often to prevent this but to no luck. I have had antacid tabs off vet but still seems to be happening. We feel so sorry for him as he is understandably a little under weight, due to not keeping his food down. Any help would be greatly received, thanks.