Symptoms of canine bronchitis:

1. In the early stages of canine bronchitis, there will be a severe dry cough, which will later turn into a mild wet cough, often accompanied by mucopurulent nasal discharge. Symptoms; in severe cases, spasmodic coughing may occur, which makes the sick dog very uncomfortable.

2. The sick dog is intolerant to exercise and is unwilling to exercise, or will be very tired after a short period of exercise, feeling short of breath and difficulty breathing, and sometimes visible mucosal cyanosis can be seen.

3. Sick dogs will be listless, feel tired easily, like to lie on the ground, and are often drowsy. No matter who sees them, they will feel extremely distressed.

4. Decreased appetite or anorexia. Dogs suffering from bronchitis will have an uncomfortable throat, greatly reduced appetite, and even anorexia, which may lead to weight loss or dehydration.

Causes of bronchitis in dogs:

1. It may be caused by viral diseases, such as canine distemper virus, parainfluenza virus infection or influenza virus. It can cause bronchitis. Influenza virus is an important cause of bronchitis in dogs. After the puppy is infected, it will cause an increase in respiratory secretions.

2. Bronchitis caused by bacterial infection such as Streptococcus.

3. Caused by foreign bodies in the bronchus. For example, when a dog is eating, some food may accidentally get stuck in the bronchus. Because the foreign body is not removed in time, it will irritate the dog's bronchus for a long time and cause inflammation.