Six major symptoms of dog cold:

1. Dogs are generally active and lively. If the dog suddenly increases its sleep time, becomes listless and does not like to move, If it is accompanied by loss of appetite, it may be the early stage of a cold.

2. Dogs will also have runny noses when they are sick. When they have a cold, their noses will always be watery and transparent.

3. Sneezing, body temperature rising above 39 degrees, rapid breathing, coughing, accompanied by decreased appetite, etc.

4. Symptoms such as shortness of breath, difficulty breathing, rapid heartbeat, obvious high fever, flushing or blue-purple conjunctiva.

5. It is normal for dogs to have tear stains. However, if the dog’s tear stains suddenly increase and the eyes become red, swollen and have eye feces, it is necessary to consider whether the dog has a cold.

6. The dog's nasal mucus is clear and watery, but it will stick to dirt and cause various colors. In severe cases, it will develop into purulent nasal mucus.