Redness around the dog's mouth may be caused by stomatitis, dental calculus, gum inflammation, improper diet, internal heat, or bacterial infection. It is best to take the dog to the pet hospital for examination to find out what kind of disease it is. Cause it, and then carry out targeted treatment.
Tips:
Usually pay attention to your dog’s oral hygiene, brush your dog’s teeth once a day, and do not feed your dog food Food that is easy to remain in the teeth; and do not feed your dog food that is too oily or salty, and let your dog drink more water; it is best to wipe your dog’s mouth after eating.