Yes, most dogs should receive the leptospirosis vaccine, as veterinarians now consider it a crucial, lifestyle-dependent, or even "core" vaccine due to the disease's severity and potential to spread to humans. It protects against a potentially fatal, bacteria-borne disease found in wildlife urine and wet soil/water.

What happens if my dog misses a Lepto booster?

Sometimes, dogs may miss a booster shot. If more than 18 months have passed since your dog's last leptospirosis vaccine, your veterinarian will likely recommend restarting the two-dose series. This is not an “extra” vaccination. It's simply the safest way to re-establish protection so your dog isn't left vulnerable.

Which dog vaccines are absolutely necessary?

Absolutely necessary dog vaccines (core vaccines) protect against deadly, common diseases and include Rabies, Canine Distemper (D), Adenovirus (Hepatitis - H), Parainfluenza (P), and Parvovirus (P), often combined as DHPP or DAPP, plus Leptospirosis, depending on location/risk. These are essential for all dogs due to the severity and prevalence of these illnesses, with Rabies often legally required.

Can dogs get Lepto from eating grass?

Yes, dogs can get Leptospirosis (Lepto) from eating or licking grass, dirt, or puddles contaminated with the urine of infected wild animals like rats, raccoons, or deer, as the bacteria live in moist environments and spread through urine. Contact with contaminated water, soil, or even licking contaminated paws after walking outside are common infection routes, making vaccination a key prevention strategy against this serious, potentially fatal bacterial disease.
 

Is the lepto vaccine being discontinued?

From February 2025 the Canigen Lepto 2 vaccination will be discontinued by the manufacturer. We will be transitioning dogs who currently receive the Lepto 2 vaccination over to the Lepto 4 vaccination at the anniversary of their annual booster.

Why You Shouldn't Give Your Pet Leptospirosis Vaccine

Can lepto vaccine make dogs sick?

The most common mild symptoms that dogs experience related to the Leptospirosis vaccine are sleepiness, soreness at the site of the injection, and mild loss of appetite. You should be concerned if you notice severe symptoms like vomiting, diarrhea, panting, shaking, pale gums, or collapse.

How do I get rid of leptospirosis in my yard?

Any areas where the dog has urinated should be disinfected. The organism is readily killed by household disinfectants or dilute bleach solution.

Is Lepto mandatory?

While the leptospirosis vaccine is not currently a required immunization for dogs, it is highly recommended for any dog that commonly goes outside, even just to go to the bathroom in the backyard.

What state has the most leptospirosis?

In the United States, 100-200 cases of leptospirosis are identified annually, with about 50% of the cases occurring in Hawaii.

Can dogs get Lepto from lake water?

All dogs are at risk of leptospirosis, regardless of age, breed, lifestyle, geographic location, time of year, and other factors. The following situations can increase that risk: Exposure to or drinking from slow-moving or stagnant water sources, like ponds, rivers, lakes, or streams.

Why not give Lepto vaccine?

The Vaccine Only Covers Four Strains

with canine disease in North America—but they're not the only ones. Because leptospirosis is evolving and varies by region and wildlife exposure, a dog can contract a strain not covered by the vaccine. Even vaccinated dogs can become infected, and vaccine protection is incomplete.

Is the dog lepto vaccine being recalled?

Reason for voluntary recall: This product recall for Treidlia Auslepto Vaccine for dogs has been initiated due to reports of adverse reactions associated with batch number BN23-126.

Do dogs really need the Lepto vaccine every year?

Given that every dog is at risk, an expert panel has recommended that all dogs are vaccinated for leptospirosis annually rather than every three years.

What is the 3 2 1 rule for vaccines?

The "3-2-1" rule is a guideline for monitoring lumps at feline vaccination sites, indicating a lump needs veterinary investigation if it's still present 3 months after vaccination, is larger than 2 cm, or is growing larger 1 month after appearing. This rule helps identify potentially dangerous injection-site sarcomas, rare tumors that can develop in cats, prompting biopsies for suspicious masses. 

At what age should you stop vaccinating your dog?

At what age do you stop vaccinating your dog? Senior dogs do not generally stop requiring vaccinations, but it will depend on your dog's lifestyle and overall health. Once a dog reaches seven years of age, its senior status requires some special considerations to keep them healthy and happy.

Can my dog get Lepto from my backyard?

Infected wild and domestic animals excrete the bacteria into the environment. Many different types of environments in both rural and urban areas can be contaminated such as lakes, streams, puddles, vegetation, and mud. Even fenced yards can be contaminated by rodents, squirrels, or raccoons.

How soon after eating grass are dogs sick?

The bottom line is that most grass-eating dogs are not sick beforehand and do not vomit afterward. However, there may be another digestive need filled by grazing. Dogs need roughage (fiber) in their diets and grass is a good source of fiber.

How long does Lepto live in soil?

Leptospirosis is spread largely through exposure to urine of infected animals or contaminated water or soil. Leptospires that get into the water or soil can survive for weeks to months.

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