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Leptospirosis
Leptospirosis on the North Shore: puddles, wildlife and the vaccine question
Ask a Cape Ann vet what a wet spring does and leptospirosis is on the list. It lives in the standing water a dog walks through on Dogtown Common, the marsh at Good Harbor and the puddle at the end of the driveway, and it arrives in the urine of animals you never see. Here is how it spreads, what to watch for, and what Dogtown asks for.
The bacteria
Leptospirosis spreads through the urine of wildlife into water and soil, and a dog drinks it
The AVMA's account is straightforward. Leptospira bacteria are shed in the urine of infected animals, survive for weeks in water and wet soil, and enter a dog through the lining of the mouth, nose or eyes or through a cut in the skin. Drinking from a puddle, wading through a marsh, swimming in a pond or licking a wet coat is enough. The carriers the AVMA names include raccoons, skunks, opossums, rodents and deer, all of which live in Gloucester's neighborhoods and woods.
The bacteria can also infect people, which the AVMA flags plainly; the risk to owners is handling a sick dog's urine without gloves. On the North Shore the wet months matter most, spring and fall, and after a stretch of rain when every low spot on Dogtown Common and at Ravenswood becomes standing water. A wet September counts as much as a wet April.
- Shed in wildlife urine, survives in water and wet soil for weeks, per the AVMA
- Enters through the mouth, nose, eyes or broken skin: drinking, wading, swimming, licking
The signs
Fever, lethargy, vomiting and a dog that drinks and urinates differently: call your vet
The AVMA lists the signs of leptospirosis in dogs as fever, shivering, muscle tenderness and reluctance to move, increased thirst and changes in urination, dehydration, vomiting, diarrhea, loss of appetite, lethargy and jaundice, a yellowing of the gums and the whites of the eyes. Some dogs show none of it and some become seriously ill. The illness can look like other conditions, so the useful thing to tell the vet is where the dog has been: the marsh, a quarry, a week of puddle drinking.
We give no advice on treatment beyond the call. A dog with a fever, no appetite and a change in drinking or urinating after a wet walk is a same-day vet visit, and if your own clinic is closed, the 24-hour hospital in Woburn takes the call. The AVMA's point about people applies from the moment you suspect it: gloves for any cleanup and hand washing.
- Fever, shivering, sore muscles, lethargy, vomiting and changed thirst or urination
- Jaundice, a yellowing of gums or eyes, is a serious sign
The vaccine question
A vaccine exists, it is your vet's decision, and Dogtown does not require it
The AVMA says a leptospirosis vaccine is available for dogs, typically given as an initial series and then repeated on a schedule your vet sets, and that whether a dog should have it depends on its risk of exposure: where it lives, where it walks, whether it swims and what wildlife it meets. A dog that hikes Dogtown Common weekly and swims in ponds is a different case from a dog whose walks are Main Street on a leash. Ask your vet; we do not weigh in.
What we can be plain about is our own list. At the time of writing, Dogtown requires Rabies, DHPP and Bordetella vaccinations on file and a current city dog license before the free evaluation, the same for daycare, Academy, overnight stays and walks, with no evaluation for grooming. Leptospirosis is not on that list. Some combination distemper vaccines include a lepto component, so ask your vet what your dog's record covers.
- Dogtown requires Rabies, DHPP and Bordetella plus a city license at the time of writing
- Leptospirosis is not on Dogtown's required list; ask the front desk to confirm
What it asks of your dog
Drink from the bowl, not the puddle, and stay out of the still water in the wet months
The habit that lowers exposure most is the one the ponds page teaches for algae: a dog that drinks from the bowl you carry and never from standing water. Teach leave it at puddles on a leash first, offer water before the dog is thirsty, and keep the leash on through the marsh edges and the flooded stretches of Dogtown Common and Ravenswood in April and after heavy rain. Fetch into a pond or quarry counts too.
At home, the AVMA's advice is to control rodents around the property, keep the dog away from wildlife and their urine, and avoid letting it drink from or swim in still water where wildlife gathers. Cape Ann's version is a covered trash can, bird feeders that do not spill, no pet food outside and a yard checked for standing water.
- 01
Carry water on every walk and offer it before the dog reaches a puddle
- 02
Leash through marsh edges and flooded trail sections in spring and after rain
- 03
Rinse and dry a dog that has waded in still water before it licks its coat
How Dogtown fits
Turf, pools and indoor floors are not standing water, and our paperwork is short
A daycare day at 210 Eastern Ave is spent on turf, on indoor play floors and in the splash pools, none of which is the still, wildlife-visited water the AVMA describes. That does not make it risk-free, since a dog can arrive with a wet morning walk on its coat, but it is a lower-exposure day than a marsh loop. A full day is $42 and a half day $33, and the free weekday evaluation between 6:30 and 9:30 AM is when you hand over the records.
A dog that has been in the marsh or a quarry can come to the grooming studio the same afternoon without an evaluation: a bath is $55 for a dog up to 25 pounds and rises by size, and it rinses the coat a dog would otherwise lick. The Pup Van is $10 each way in Rockport, Gloucester, Essex and Manchester-by-the-Sea. The vaccine decision stays between you and your vet.
At Dogtown
A low-exposure day and a rinse after the marsh
Turf, pools and indoor floors instead of standing water, and a studio bath for the dog that waded anyway.
Asked and answered
Questions people ask about this
Short, complete answers you can act on today. More in the full FAQ.
Does Dogtown require the leptospirosis vaccine?
How do dogs get leptospirosis on the North Shore?
Can I catch leptospirosis from my dog?
What are the early signs of lepto in a dog?
More questions? Read the full FAQ
Sources
- AVMA: leptospirosis
- AVMA: vaccinations
- Gloucester dog licensing
- Massachusetts Veterinary Referral Hospital
Rules and dates change. We re-check every beach, licensing and ordinance page each spring and fall; the source above is the current word.
Keep reading
Next step
A plain list and a dry yard.
Bring Rabies, DHPP and Bordetella records and the city license to the free evaluation, weekdays between 6:30 and 9:30 AM. The lepto vaccine is your vet's call, and we will tell you if our list ever changes.
- 01Free evaluationWeekdays 6:30 – 9:30 AM
- 02Book a dayOnline, in the app or by phone
- 03Play, rest, repeatReport card at pick-up
