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Why Your Cat is Less Likely to Get Lyme Disease Compared to Dogs

As a pet owner, you might be curious why cats, unlike dogs and humans, rarely contract Lyme disease. This tick-borne illness, caused by the bacterium Borrelia burgdorferi, poses a serious threat to many animals, but cats are significantly less susceptible. Exploring these reasons can enhance your ability to care for your feline companion and deepen your understanding of their distinctive biology and behaviors.


Natural Groomers – One of the primary reasons cats are less likely to get Lyme disease is their fastidious grooming habits. Cats spend a significant portion of their day grooming themselves, which includes removing debris and parasites like ticks. This constant grooming often leads to the removal of ticks before they have a chance to transmit the Lyme disease bacterium.

Lower Exposure – Cats, particularly indoor cats, are generally less exposed to tick-infested environments compared to dogs. Dogs are more likely to roam in areas where ticks are prevalent, such as tall grasses, wooded areas, and parks. In contrast, cats are more likely to stay closer to home and may have limited access to such environments, reducing their risk of tick bites.

Immune System Differences – The feline immune system may also play a role in the lower incidence of Lyme disease. Studies suggest that cats have a different immune response to *Borrelia burgdorferi* compared to dogs and humans. This difference may help cats fend off the bacterium more effectively, preventing the establishment of the disease.

Tick Preferences – Ticks have host preferences, and certain types of ticks are more likely to bite dogs and humans than cats. While cats can still be bitten by ticks, the species that are most efficient at transmitting Lyme disease may not prefer cats as hosts. This preference reduces the likelihood of cats being bitten by ticks that carry *Borrelia burgdorferi*.

Symptoms Often Go Unnoticed – Even when cats are infected with the Lyme disease bacterium, they often do not show symptoms. This asymptomatic nature means that the disease goes unnoticed and unreported more frequently in cats than in dogs or humans. The absence of noticeable symptoms does not mean that cats are immune, but rather that they handle the infection differently.

Prevention remains crucial – Despite the low risk of Lyme disease in cats, proactive measures are vital, particularly for outdoor cats. Here are some recommendations to safeguard your cat’s well-being:


1. Tick Prevention Products: Use veterinarian-recommended tick prevention treatments designed for cats. These can include topical treatments, collars, or oral medications.

2. Regular Grooming Checks: Regularly check your cat for ticks, particularly after they’ve been outside. Focus on areas like the neck, ears, and between the toes where ticks may hide.

3. Environmental Management: Maintain a tick-free yard by keeping grass short and removing leaf litter where ticks thrive. Creating a tick-safe zone can significantly reduce the risk of tick bites.

4. Stay Informed: Keep up with regular veterinary check-ups and stay informed about tick prevalence in your area. Your veterinarian can provide the best advice tailored to your cat’s lifestyle and risk factors.

Cats’ distinct behaviors, biology, and limited exposure to tick habitats contribute to the rarity of Lyme disease in felines. Their grooming routines, immune system responses, and tick preferences collectively shield them from this tick-borne illness. Nonetheless, it’s crucial to remain vigilant and implement preventive measures to uphold your cat’s health and safety. If you have any concerns or require advice on tick prevention, feel free to reach out to us.