Chihuahua Dogs - This is a picture of a trio of Chihuahua pups. Healthy Chihuahua pups should have no discharge from their eyes and nose, they should be clean, active and curious.The Chihuahua is deeply devoted and fiercely loyal. They typically become extremely attached to one or two people. They are bold, fearless, and highly protective of their masters. They thrive on inordinate amounts of attention. The Long coat variety should be brushed several times a week with a soft bristle brush. Both varieties only need bathing once a month using a mild shampoo. Special care must be given to not get water into their ears as they are prone to ear infections. Dental hygiene is a must to prevent tooth loss. The health issues that affect this breed include slipped stifles, open font or soft spot, eye problems, and heart disease. The Chihuahua does not tolerate cold climates and must be protected when taken outside.The Chihuahua is an excellent apartment dweller. The majority of their exercise needs can be met indoors with toys or play sessions. However, they greatly enjoy and benefit from daily walks.