you shouldn't and if he needs something then get medication from the vet
It is not advisable to give ibuprofen or naproxen to cats without consulting a veterinarian.
By 4 weeks old.
no because it is old enough to eat puppy food. so giving the puppy milk is unnecessary for it.
no
Yes you can give a 3 week old puppy milk. Because I have a 3 week old puppy and drinks it fine. So the answer is yes
1
every 6 hours
no. it will give them a tummy ache
Not without asking a doctor first. That much ibuprofen is considered a prescription dose.
An emergancy Vet visit.
Most breeder give out their puppies at 8 weeks or 2 months old.
Never give an animal human medicine unless a veterinarian prescribes it specifically. It can kill it. Ask a vet what to give the puppy.