The schedule for a very small, very long-lived dog
One full wellness visit a year suits a healthy adult Chihuahua. Puppyhood means the usual cluster of early visits — vaccinations, parasite control, and checks on the soft spot on the skull, baby teeth, and blood sugar stability in a puppy small enough to chill and fade quickly. Because Chihuahuas commonly live well into their teens, the senior move to twice-yearly visits comes later than in most breeds, around ten, when heart, kidneys, and teeth all benefit from a shorter interval between examinations. The length of a Chihuahua's life is exactly why the yearly record matters: small drifts compound over many years.
Teeth: the breed's number one issue
A Chihuahua fits a full set of teeth into one of the smallest jaws in the dog world, and the result is crowding, retained baby teeth in youngsters, tartar that builds fast, and gum disease that can be advanced while the dog still crunches happily. At every annual visit the mouth is examined tooth by tooth, retained or damaged teeth identified, and a cleaning plan made from findings. Tell the vet about bad breath, pawing at the mouth, dropping kibble, or a new preference for soft food — in a stoic little dog these are the dental symptoms you get. Home tooth care, started gently, does more for a Chihuahua's comfort and lifespan than almost anything else an owner controls.
Kneecaps, heart, and the windpipe
Slipping kneecaps are common in the breed: the vet feels each hind leg for looseness and asks about the telltale skip, where the dog hops for a step or two and then trots on normally. Older Chihuahuas are also watched for heart murmurs, since valve disease appears in small breeds with age, and the windpipe deserves a mention — a honking, goose-like cough when excited or when a collar pulls is a known Chihuahua pattern, worth describing precisely so the vet can judge whether it needs investigation or simply a harness and weight control. Weight, in a dog measured in single pounds, is discussed in ounces of effect: a little extra is proportionally a lot.
Puppies and the very old need a lower threshold
Tiny puppies go in the same day for missed meals combined with wobbliness or unusual sleepiness, because low blood sugar moves fast at that size. For the elderly Chihuahua, book ahead of schedule for increased thirst, night-time restlessness, a new cough, or appetite change — small dogs decompensate quietly, and early blood work answers most of the worry in one visit. A squinting or bulging eye is always urgent in a breed with prominent eyes relative to a tiny skull.
Records for a dog who outlives your memory of them
With a lifespan this long, no owner remembers which year the murmur was first heard or which teeth came out when — nor should they have to. Keep his dental charts, weights, and heart notes together in the Pet Passport on KinsLe, and his whole long history stays exact, portable, and ready for any vet he meets.