What Illnesses Make A Dog Shake, Refuse To Eat?

Loss of appetite in dogs is general signs of illness. Dogs refuse to
eat when they are ill. This condition is serious if continues for more
than 24 hours. Shaking in dogs can normal and abnormal depending upon
medical and environmental condition. Following are some causes of
shaking in dogs.

1. Exposure to cold
2. Swimming
3. Pain
4. Nervousness
5. Fleas
6. Skin parasites
7. Ear infection

Proper treatment is directly related with accurate diagnosis. Your dog must also be showing some other signs of illness if he is shaking due to any medical cause. So, ideally, take your dog to vet.