1. Chihuahuas are delicate dogs that require special care and attention.

2. You should never leave them alone for extended periods as they can become anxious and develop separation anxiety.

3. Avoid overfeeding your Chihuahua as they are prone to weight gain and obesity.

4. Never subject them to extreme temperatures as they can easily become overheated or cold.

5. Rough handling and excessive rough play can cause injury to their delicate bodies, so be gentle with them.

6. Avoid using harsh and punitive training methods as it can be harmful to their sensitive nature.

7. Do not ignore their dental health as Chihuahuas are prone to dental problems, so regular brushing is essential.

8. Lastly, never neglect their socialization needs as Chihuahuas thrive on human interaction and need proper socialization to be well-adjusted companions.