four week old puppy is throwing up after eating

my four week old puppy is throwing up after eating from his mother.

i have three more that eat off of her and are just fine i don't know what to do?






Hi
I'd recommend that you have this little guy checked out by your veterinarian. If he's always nursed just fine before, there may be a health issue developing.

At 4 weeks old these pups should be starting to be weaned onto solid food and to learn to lap water. If he does fine with that, then at least he will be getting the nutrition he needs. However if he is vomiting anytime he eats or drinks then it's serious and he needs to be seen by a vet asap.

Best of luck, hope he's doing much better soon.