The reasons why dogs have a dry cough as if there is something:

1. Viral infection, common ones include canine distemper virus, canine influenza virus, and canine adenovirus. This is the most common virus that causes cough in dogs. If the dog is fully immune and has qualified antibodies, it is less likely to be infected with canine distemper virus.

2. Respiratory tract infections can be divided into upper respiratory tract infections and lower respiratory tract infections. Common sources of infection are bacteria, mycoplasma, and chlamydia.

3. Cardiogenic cough. This type of cough is caused by heart disease and is common in elderly dogs with heart disease.

4. Allergic cough, such as cough caused by cigarette smoke or pollen.

5. There is a foreign body stuck in the throat. This situation can be determined through laryngoscopy, CT or other imaging examinations.

How to deal with a dog's dry cough as if there is something in it:

1. It is recommended that the owner take the dog to the pet hospital for medical treatment in time. It is possible that a dog's dry cough is due to a foreign object stuck in the throat. This situation can be determined through laryngoscopy, CT or other imaging examinations.

2. If there is a problem with the respiratory system or is caused by other problems, it is best to take the dog to the hospital for a detailed examination to determine the cause and then provide targeted treatment. Do not treat the dog randomly. Take some cough medicine.