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Prevention guideLyme disease prevention for dogs
Which ticks actually carry Lyme, how to choose tick protection with your vet, and the daily habits that keep your dog and family safer.
Quick answer
The best way to prevent Lyme disease in dogs is year-round use of a vet-recommended tick preventive that works against blacklegged ticks, plus daily tick checks and fast tick removal. Keep grass and brush trimmed, and ask your vet whether the Lyme vaccine fits your dog. The American dog tick does not spread Lyme; blacklegged (deer) ticks do.
- CAPC: Use tick control products year-round. Choose ones with lasting activity against ticks and label claims for Ixodes (blacklegged) ticks. Check dogs for ticks daily and avoid tick habitat when you can.
- CDC: Use a tick preventive product on your dog and ask your vet which one is best. Check pets for ticks daily if they go outdoors.
- Merck Veterinary Manual: A combined approach works best. Tick checks alone are less effective, because blacklegged ticks are hard to spot in thick fur.
Do dog ticks carry Lyme disease?
Not the one called the “dog tick.” The CDC says the American dog tick cannot transmit Lyme disease bacteria. Neither can the lone star tick or the brown dog tick, though all of them can spread other diseases. Lyme disease is spread by blacklegged ticks.
| Tick | Spreads Lyme? | Other diseases it can spread (CDC) |
|---|---|---|
| Blacklegged (deer) tick, East and Midwest | Yes | Anaplasmosis, babesiosis, Powassan virus and others |
| Western blacklegged tick, Pacific coast | Yes | Anaplasmosis and others |
| American dog tick | No | Rocky Mountain spotted fever, tularemia |
| Brown dog tick | No | Rocky Mountain spotted fever (in some areas) |
| Lone star tick | No | Ehrlichiosis, tularemia and others |
Because dogs can pick up several kinds of ticks, a good preventive matters even where Lyme is rare. Learn to tell them apart in our guide to ticks that carry Lyme disease.
Can dogs get Lyme disease from ticks?
Yes, but only from an infected blacklegged tick, and usually only if it stays attached long enough. The Merck Veterinary Manual says transmission requires at least 24 hours of attachment and usually happens 36 to 48 hours into feeding. That is why finding and removing ticks quickly matters. See how long a tick needs to be attached.
Tick preventives for dogs
Vet-recommended tick preventives come in several forms, including collars, spot-on treatments applied to the skin, sprays and products your vet may prescribe. We don’t recommend brands. When choosing with your vet, look for:
- A label that covers blacklegged (Ixodes) ticks
- Lasting protection, used year-round as CAPC advises
- A product that fits your dog’s age, weight, health and lifestyle
Never use dog tick products on cats. Some dog products contain permethrin, which can be deadly to cats. Keep cats away from a dog that was just treated, and always follow the label. Read more in our cats guide. Ask your vet before starting or switching any tick product.
Daily tick checks and removal
After walks in woods, tall grass or leaf litter, run your hands slowly over your dog’s whole body and part the fur to look at the skin. Pay extra attention to the head, ears, neck, legs, between the toes, and under the collar and tail. Young blacklegged ticks are tiny, so feel for small bumps.
If you find a tick, remove it promptly:
- Wear gloves if you can.
- Use fine-tipped tweezers or a tick-removal tool to grasp the tick close to the skin.
- Pull straight up with steady pressure. Don’t twist or crush it.
- Clean the area and wash your hands.
Vet sources do not recommend giving antibiotics as a preventive after a tick bite. Instead, note the date and watch for signs such as limping or fever over the following months. See signs of Lyme in dogs.
Make your yard less tick-friendly
- Keep grass mowed and shrubs trimmed (CAPC).
- Create a barrier between your lawn and brush, tall grass or leaf piles (Merck).
- Rodent-targeted tick control can help; CAPC notes that broadly spraying yards is largely ineffective.
The Lyme vaccine
In higher-risk areas, your vet may recommend a Lyme vaccine. CAPC says it does not replace tick control. Read our dog Lyme vaccine guide.
Dogs can bring ticks home to people
The CDC says there is no evidence that dogs spread Lyme directly to people, but pets can carry ticks into your home or yard, where a tick may later bite a family member. Checking your dog before coming inside protects everyone. For your own protection, see Lyme disease prevention and what to do after a tick bite.
Frequently asked questions
Do dog ticks carry Lyme disease?
The American dog tick does not. The CDC says it cannot transmit Lyme disease bacteria, though it can spread other diseases. Lyme is spread by blacklegged (deer) ticks and western blacklegged ticks.
How can I prevent Lyme disease in my dog?
Use a vet-recommended tick preventive year-round, check your dog for ticks every day, remove ticks quickly, keep your yard trimmed, and ask your vet whether the Lyme vaccine makes sense.
Can dogs get Lyme disease from ticks?
Yes, from infected blacklegged ticks. Transmission usually takes at least 24 hours of attachment and most often happens 36 to 48 hours into feeding.
Does my dog need tick prevention in winter?
CAPC recommends tick control year-round. Ask your vet what fits your area.
Can my dog bring ticks into the house?
Yes. The CDC notes that pets can carry ticks into homes and yards, where they may bite people. Check your dog before coming inside.