Ticks in our area can spread Lyme disease, anaplasmosis and ehrlichiosis. Many infected dogs don't show signs right away, and others develop fever, lameness or low energy.

A quick blood test screens for these diseases, along with heartworm, and we recommend it once a year for dogs. If your dog tests positive, we'll talk about whether further testing or treatment is needed.

Signs of Tick-Borne Disease in Dogs

Signs of tick-borne illness can take weeks or even months to appear after a bite, and some dogs never show obvious signs. That is one reason yearly screening matters, even for dogs that seem healthy. Call us if your dog has any of the following:

  • Limping or lameness, sometimes shifting from one leg to another
  • Fever or warm, swollen joints
  • Low energy or reluctance to play or walk
  • Poor appetite or weight loss
  • Swollen lymph nodes
  • Unusual bruising or nosebleeds

In rare cases, Lyme disease can affect the kidneys. If your dog is vomiting, drinking much more or seems very weak, call or come in right away.

What Happens if Your Dog Tests Positive

A positive screening test means your dog has been exposed to a tick-borne disease. It doesn't always mean your dog is sick. Many dogs that test positive never develop illness, so your vet will look at the full picture before recommending next steps.

Follow-up may include a physical exam, additional blood work, a urine test to check for protein loss through the kidneys or a more specific test to measure the infection. If your dog has signs of illness, your vet may recommend a course of antibiotics and rechecks. A positive result is also a good time to review your tick prevention plan and make sure it's given consistently all year.

Questions about Tick Disease Testing?

Call us or book an appointment online, and our team will help you decide on the next step for your pet.

Tick Disease Testing: Frequently Asked Questions

Should cats be tested for tick diseases?
Routine yearly tick disease screening is mainly recommended for dogs. Cats can carry ticks and occasionally get tick-borne illnesses, so your vet may suggest testing if your cat is sick and has a history of tick exposure.
How soon after a tick bite can my dog be tested?
Screening tests usually can't detect infection right after a bite, since the body needs time to respond. Your vet may suggest testing several weeks later. Watch your dog closely in the meantime and call if you see signs of illness.
Can my dog get Lyme disease more than once?
Yes. Recovering from Lyme disease does not guarantee lasting protection, and dogs can be reinfected by new tick bites. Year-round tick prevention and, for some dogs, Lyme vaccination help reduce the risk.
Can my dog give me Lyme disease?
No, dogs can't spread Lyme disease directly to people. However, a dog that brings ticks into the home can expose your family to infected ticks. Keeping your dog on tick prevention helps protect everyone.

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