Lyme Disease
Moderate severityTick-borneAlso known as: Borreliosis
A bacterial infection spread by ticks. Many dogs show no signs, but it can cause joint disease and, rarely, serious kidney problems.
Reported on ParvoMaps
Symptoms to watch for
- Shifting-leg lameness
- Fever
- Lethargy
- Swollen joints or lymph nodes
- Reduced appetite
How it spreads
Bite of an infected black-legged (deer) tick, usually attached 24–48 hours.
Prevention
Year-round tick preventives, the Lyme vaccine, and daily tick checks.
Related tick-borne conditions
Frequently asked questions
What are the symptoms of Lyme Disease in dogs?
Common signs include Shifting-leg lameness, Fever, Lethargy, Swollen joints or lymph nodes, Reduced appetite. Signs vary by dog and stage — contact your veterinarian if you notice them.
How do dogs catch Lyme Disease?
Bite of an infected black-legged (deer) tick, usually attached 24–48 hours.
How can I prevent Lyme Disease in dogs?
Year-round tick preventives, the Lyme vaccine, and daily tick checks.
Is Lyme Disease dangerous to dogs?
Lyme Disease is considered moderate severity. A bacterial infection spread by ticks. Many dogs show no signs, but it can cause joint disease and, rarely, serious kidney problems.
Educational information only — not veterinary advice. If you think your dog is sick, contact your veterinarian.