Ticks are small, patient, and efficient. They’re also one of the most effective disease-delivery systems in the animal kingdom — capable of transmitting bacteria, parasites, and viruses that can cause kidney failure, paralysis, and death in dogs. Most tick-borne diseases are treatable. The catch? You have to catch them early. Here’s a full breakdown of the tick species found across the U.S., what they carry, and what you need to know to protect your dog.
