Why Is My Dog Licking Lips So Much. Sometimes a dog will lick their lips or the air before they vomit so this can be a good warning sign for you especially when accompanied with other unusual behavior like drooling and panting. Too much licking can be a sign of anxiety whenever the dog is scared or nervous. Obsessive licking may be a sign of underlying issues including anxiety boredom or fear. Lip smacking can be a calming mechanism for dogs in response to a stressful situation.
Any kind of trauma can cause lip licking. Licking carpets or blankets is another indication that the behavior is rooted in anxiety. If you scold your dog for having an accident in the house for example they might look away from you and begin licking their lips. Because licking has been shown to be an anxiety reliever obsessive licking may signal that the dog is having trouble coping with something. But if your dog continues to lick it could turn into an obsessive-compulsive habit. If you think about it when your stomach is upset you tend to get a bad taste in your mouth or you produce a bit of excess saliva that can make you swallow or lick your lips.
Other Mouth problems including tumors injury from sticks or bones and infection.
Katie Grzyb dogs who keep licking their lips for no reason are most likely feeling nauseous have allergies or are dehydrated. A dog might lick his lips due to nausea dental disease or mouth pain. The same is true for your dog in which case any underlying disorder that produces nausea could cause your dog to lick a lot. There are several other physical ailments that could trigger lip smacking in dogs. Dogs with nausea or gastroesophageal acid reflux often lick their lips gulp swallow repeatedly to soothe their nausea and acid burn. Most content in the stomach is acidic and the acidity could damage not only the esophagus but also the mouth and teeth.