Why do dogs smack their lips?

Many dogs smack their lips when they are being photographed (it makes some dogs uneasy) or when an owner trips on them. As with other behaviors, it’s important to look at context as things can get blurry at times. read more

When the dog feels nauseous, he may drool and smack his lips as he gulps down saliva. If the dog is sent out, he'll often try to eat grass. If this is not possible, he may frantically lick other available surfaces, including carpets and walls. read more

Mouth smacking is in many cases a sign of various health issues in canines. Since it frequently is a symptom, it is crucial to always be attentive to it. Lip smacking in dogs can indicate many ailments, including dehydration, dry mouth, kidney disease, consumption of toxic plants, liver disease, gingivitis and pre-seizures of epilepsy. read more