However, with the advent of modern pain medications and a better understanding of pain control in dogs, most pups experience only minimal discomfort after surgery when all post-surgical recommendations are followed. The risks associated with spaying a dog include pain, infection, dehiscence (opening) of the surgical site and excessive bleeding.
Dogs can be neutered as adults as well, although there’s a slightly higher risk of post-operative complications in older dogs, dogs that are overweight or dogs that have health problems.For cats: It is generally considered safe for kittens as young as eight weeks old to be spayed or neutered.