Make sure to keep small dogs warm if they are underweight or don’t eat.

Intense exercise when a dog hasn’t eaten can cause hypoglycemia. Don’t strenuously exercise a dog who has just eaten a meal, as this can cause bloating. Wait at least 90 minutes after feeding before exercising your dog.

If your dog gets daily insulin, make sure the same person does it every day. This can cut down on double doses. Giving a dog too much insulin can result in death. [6] X Research source Make a food and activity log for your dog to make sure he is getting consistent levels of food and activity.

Loss of appetite Increased hunger Blurred vision Confusion Lack of energy Loss of consciousness Anxiety Shivering Heart palpitations Seizures

If your small dog is refusing to eat and shows signs of low blood sugar, you can give him glucose.