A rancid smell in a dog's mouth may be caused by excessive tartar, oral disease, food residues, etc. First of all, there is too much tartar on the dog's teeth, which will form dental calculus over time, causing the dog to have bad breath. Secondly, dogs suffering from oral diseases, such as stomatitis, oral ulcers, gingivitis, etc., will also cause a bad smell in the dog's mouth. Finally, if your dog eats some liquid food for a long time, the residue of these liquid foods left in the mouth will cause a putrid smell.

1. Excessive tartar

If you feed your dog liquid food for a long time and do not pay attention to cleaning or brushing your dog's teeth, the food residue will get stuck in the gaps between the teeth. If there is too much tartar on the teeth, dental calculus will form over time, causing the dog to have bad breath. If not treated in time, the dental calculus will become more serious. Therefore, it is recommended that owners try to feed their dogs as little soft food as possible, and instead feed their dogs with dog food as their main food. They can feed their dogs some molar sticks, teeth cleaning sticks, etc. to help clean their mouths, and they can also brush their teeth to prevent the formation of teeth. Tartar.

2. Suffering from oral diseases

Dogs suffering from stomatitis, oral ulcers, gingivitis and other oral diseases are also prone to have a rancid smell in their mouths. It will also be accompanied by symptoms such as loss of mental appetite, drooling, red and swollen gums, and ulceration. In this case, you need to take your dog to the pet hospital for examination and treatment in time to prevent the condition from getting worse.

3. Food residues

If the dog eats some liquid food for a long time, the residue of these liquid foods left in the mouth will breed a large number of bacteria, and after the bacteria are putrefied, a rancid smell will occur. , so the owner must clean the dog’s mouth regularly. It is generally recommended to brush the dog’s teeth once a week.