No, don’t give Kitkat to dogs. Kitkat is coated with chocolate that can induce toxicosis in canines in large amounts. Milk is also one of Kitkat’s ingredients that can trigger adverse reactions in dairy allergic or dairy-sensitive dogs.
Risks
KitKat contains chocolate which is toxic to dogs. When consumed in small quantities, it can cause digestive issues; in large amounts, it can cause poison to dogs.
KitKat is high in sugar. Excessive consumption can lead to tooth decay, obesity, and diabetes.
KitKat also has milk which is difficult for dogs to digest.