But when a dog obsessively and abnormally licks the floor, or brick walls, or other objects that is another story. This type of odd behavior might.
If your dog is licking the floor, baseboards, or wall, something isn't right. It could just be food debris or the dog may have a more serious issue.
Dog licking behavior can be caused by a physical or mental illness. Licking which is usually normal, becomes abnormal if it continues.