What medicines do dogs need to take regularly?

To keep your pup thriving, understanding which meds they need regularly isn’t just about health—it’s about fitting those needs to where you live, the seasons, and even local rules. What works for a dog in a rural area might differ from one in the city, and missing a dose could mean more than discomfort; in some places, it might run against local regulations. Let’s break down what matters most, in a way that feels like chatting with a fellow dog lover who’s been there.

Heartworm preventatives top the list for good reason. These tiny parasites, spread by mosquitoes, can cause fatal damage to a dog’s heart and lungs, and in many regions, skipping this isn’t just risky—it’s against the law. Your vet will likely recommend a monthly chewable or topical treatment, tailored to where you stay. Warm, humid areas see more mosquito activity, so consistency here is non-negotiable. And yes, even indoor dogs need it—mosquitoes sneak in through screens, after all.

Flea and tick meds are another must, but the type depends on your environment. A dog hiking in wooded areas needs stronger tick protection than one who sticks to concrete, and coastal regions might battle different flea species. These aren’t just for itching, either—ticks carry diseases like Lyme, which can linger for years. Most vets suggest year-round use in mild climates, with adjustments for colder months where bugs die off. Just don’t grab over-the-counter options without checking first; some aren’t approved for certain breeds or ages.

Dewormers, both internal and external, deserve regular attention too. Roundworms and hookworms can spread to humans, making this a family health issue, not just a dog one. Puppies often need more frequent treatments, but adult dogs still need check-ups—your vet might test stool samples annually to decide if a dewormer is needed. Local shelters or animal control can clue you in on common parasites in your zip code, helping your vet pick the right product.

Vaccine boosters aren’t “one and done.” Core vaccines like rabies are legally required in almost every place, with strict timelines for boosters. Non-core vaccines, like those for kennel cough, depend on your dog’s lifestyle—if they visit dog parks or boarding facilities, your vet will probably recommend them. Keeping a clear record of these shots isn’t just good practice; some cities require proof for licensing.

Prescription meds for ongoing issues, like joint pain or allergies, need extra care. These aren’t one-size-fits-all, and your vet will adjust doses based on regular check-ins. It’s tempting to stretch a prescription when costs add up, but underdosing can make conditions worse. Plus, refilling without a current vet visit might violate local laws—many places require an in-person exam before renewing certain meds.

At the end of the day, the best plan is one you build with your vet, rooted in where you live and how your dog lives. They know the local risks, the regulations, and your pup’s unique quirks. Regular meds aren’t just boxes to check—they’re the quiet way we keep those tail wags steady, those snuggles worry-free, and our favorite companions by our sides for years to come.