Low Blood Sugar Levels Affect Puppies Far More Than Adult Dogs. Even if your puppy is very healthy, low blood sugar levels may still affect him. This is why it’s critical to understand the symptoms and how to manage them properly. Tiny puppies (particularly Toy breeds such as Pomeranians) have almost no storage of fat. Fat is the body’s fuel and sugar levels fall if there’s not enough. Adult dogs can balance it out better because their liver creates more sugar. But puppy livers don’t have the capacity to do this and, suddenly, your tiny puppy has hypoglycaemia. Symptoms of Hypoglycaemia Symptoms may be quite vague. You have to keep your eyes out for them, particularly in a tiny puppy due to high susceptibility. Without enough sugar, your puppy’s breathing and heart rate start slowing down and cause other problems. Watch for these symptoms: Sorry the complete article is only available to our Premium members. Please join us now. Copyright. www.pomeranian.org.