Runny noses in puppies may be caused by odor irritation, cold, bronchitis, infection with canine distemper virus, etc. If the puppy only has a runny nose without other symptoms, it is usually caused by a pungent odor and is a normal phenomenon. If it is accompanied by symptoms such as nausea, vomiting, lethargy, etc., it is recommended to take the puppy to a pet hospital immediately to avoid delaying the condition and making the symptoms more serious.

1. Odor irritation

If the puppy inhales irritating odors, such as paint, gasoline and other chemical substances, the smell may irritate the nasal mucosa, increase the secretion of the nasal mucosa, and cause discharge. Symptoms such as runny nose and sneezing. This is a normal physiological phenomenon and generally does not affect physical health. The owner does not need to worry too much. You can take your puppy to an environment without irritating odors, which can effectively relieve symptoms.

2. Catch a cold

Puppies have poor resistance. If you do not dry the hair in time after bathing the puppy, it may cause the puppy's body to catch cold and cause water to flow. Symptoms such as runny nose and fever. If this happens, you should go to the pet hospital in time. With the help of a doctor, you can inject antipyretics or intravenous antibiotics, which can help relieve symptoms.

3. Bronchitis

It is considered to be caused by the large temperature difference between day and night and the sudden drop in temperature. If the puppies are not kept warm in time, the puppies' own resistance may be reduced. This causes the virus to invade the body and multiply, causing symptoms such as wheezing, chest tightness, and excessive phlegm. At this time, the owner should take the puppy to the hospital for examination in time and receive symptomatic treatment according to the examination results.

4. Infection with canine distemper virus

This virus is a highly contagious disease and is extremely contagious. It may be caused by contact with other puppies that have been infected with canine distemper virus. After infection, symptoms such as high fever, runny nose, and loss of appetite may occur. Vaccines need to be injected with the help of a doctor to effectively relieve symptoms.