Your adopted adult dog’s first vet visit: what to bring, what the vet checks, and what to do about an unknown history

Within the first week is the usual advice. Zoetis, which publishes guidance for pet owners, says a newly adopted pet should ideally see a vet in its first week home, partly to catch problems and partly to record a healthy baseline the vet can compare against later. Check your adoption contract too: some shelters and rescues ask for an exam within a set number of days, and some health guarantees depend on it.

An early visit matters more for an adult dog than people expect. A puppy’s history is short. An adult may have years of unknown care behind it: missed vaccines, no heartworm prevention, dental disease, an old injury. Shelters do a lot, but a busy intake exam isn’t the same as a full workup by a vet who will see your dog for the rest of its life.

• Every piece of paper from the shelter, rescue or previous owner: vaccine records with dates and product names, test results, spay or neuter records, any medications given, and the microchip number if they had one. VCA notes that shelters often provide a medical history for the time the pet was in their care, and that if you adopted from a person you can ask which vet treated the dog and have those records transferred.
• A fresh stool sample, if the clinic asks. Many do. Zoetis says a sample about the size of your thumb is typically enough; bag it the same day.
• What your dog eats now: the brand and amount the shelter fed, and anything you’ve changed since.
• A short list of what you’ve noticed: coughing, scratching, limping, thirst, house-training accidents, fear of being handled in certain places. Small things you saw at home are often the most useful part of an adult dog’s exam.
• Your questions, written down, and a well-fitted collar or harness, a short leash and good treats.

Expect a full nose-to-tail physical: eyes, ears, teeth, heart, lungs, skin and coat, lymph nodes, belly, joints and weight. For an adult dog, the vet will usually pay close attention to the mouth, because dental disease is common and may change what the dog can eat comfortably, and may suggest a dental cleaning later.

Common tests at or around the first visit:

• Fecal test for intestinal parasites such as worms, coccidia and giardia.
• Heartworm test. The American Heartworm Society says all dogs 7 months and older should be tested before starting a preventive, and retested at least 6 months after starting it, then annually. With an adult of unknown history, this step can’t be skipped: your vet needs to know whether the dog is already infected before choosing a plan.
• Bloodwork or a urine test, depending on the dog’s age, health and any medications. For an older adoptee, a baseline blood panel is often worth doing now, while the dog is well.
• A screen for tick-borne diseases, which some vets add in areas where ticks are common.

Ask for an estimate before the visit so the bill isn’t a surprise. Some shelters already ran some of these tests; bring the results so nothing is repeated without reason. If cost is a worry, see low-cost vet clinics for where subsidized care exists.

This is the adult-rescue question puppy guides skip. Documented shots count: if the shelter vaccinated your dog and gave you dated records, your vet will build on those. The problem is what came before, which is often nothing on paper.

The 2022 AAHA canine vaccination guidelines are reassuring on this. They say dogs with an incomplete or ambiguous history can still be vaccinated with the expectation of a protective response and a low risk of serious side effects, that the benefits of vaccination far outweigh the risks when a dog’s vaccination history is unknown, and that a good rule of thumb is “When in doubt, vaccinate.” In practice, an adult with no proof of core vaccines is usually treated as unvaccinated and started on a new series, which often means a second distemper/parvo dose a few weeks after the first. Your vet will set the exact schedule for your dog.

Two other points. Rabies is governed by state and local law, so a dog without a valid rabies certificate will normally be vaccinated regardless of what anyone remembers. And some vets offer an antibody titer test for distemper and parvovirus as an alternative to revaccinating; it’s a reasonable question to ask, though AAHA cautions that titers can be hard to interpret. If you plan to use a kennel or daycare soon, tell the vet, since facilities usually want Bordetella too; see dog boarding vaccine requirements for the list and timing.

Ask the clinic to scan for a microchip even if the shelter said there is one. A chip only helps if the registry has your name and phone number, so if the chip was registered to the shelter, a rescue or a former owner, contact that registry to transfer it, and keep the confirmation. If there is no chip, ask about implanting one.

The vet will also confirm whether your dog is spayed or neutered. Most shelters alter dogs before adoption, but a dog from a private rehoming may not be, and a small tattoo near the belly is sometimes the only clue. If surgery is still needed, the vet will talk through timing.

Before you leave, ask for a copy of the visit record and the new vaccine certificates. You’ll need them for licensing, boarding and grooming, and they are the first page of a history that, from now on, won’t have gaps.

A newly adopted adult is still working out who you are. A vet visit in the first week means a car ride, a strange building and being handled by strangers, so keep everything else calm. Take a short walk before you go in, ask whether you can wait in the car until the exam room is ready, and bring treats your dog actually likes. Tell the staff if your dog has shown fear of being touched on the feet, ears or tail, or has growled when handled, so they can plan around it.

Over the following weeks, practice gentle handling at home: touching paws, lifting ears, looking at teeth, paired with treats. It makes every future exam easier. Our training basics guides cover the early weeks with a new dog.