Methods to determine whether a Chihuahua has a cold:

1. When a Chihuahua has a cold, it will appear depressed, unwilling to move, and always curled up in a corner to sleep.

2. Chihuahuas may experience loss of appetite when they have a cold, and may refuse to eat in severe cases.

3. Chihuahuas will cough, sneeze, and have a runny nose when they have a cold. Some of their eyes will also be red, swollen, and watery.

4. Chihuahuas will also have a fever when they have a cold. When they have a fever, they will tremble, their nose will be dry, and their body temperature will rise above 39 degrees.

Care methods for Chihuahua after catching a cold:

1. Strengthen Chihuahua’s nutritional supplement and appropriate exercise to help Chihuahua enhance its resistance.

2. Give the Chihuahua dog-specific cold medicine according to the doctor's advice and make it drink more water. Human cold medicine is not allowed.

3. If your Chihuahua catches a cold due to cold weather, you should take measures to keep warm, add appropriate amounts of clothing, and add a quilt.

4. If the cold is severe and symptoms such as vomiting and diarrhea occur, you need to seek medical treatment as soon as possible and inject anti-inflammatory drugs, such as Sono, etc., observe the dog's condition, and feed the Chihuahua nutritious food.