Sun, 19 Apr 2026 16:16:11 +0000

What’s Causing Your Dog’s Sudden Illness? Anaplasmosis in Dogs Is Sneaking Past Owners Everywhere If your usually energetic dog has suddenly become lethargic, lethargic, or is limping, you’re not imagining it—sudden illness in dogs is happening statistically more often, and one insidious culprit you may be overlooking is anaplasmosis. This tick-borne disease is increasingly affecting dogs, especially during warmer months, yet many owners remain unaware of its signs and risks. ### What Is Anaplasmosis in Dogs? Anaplasmosis is a bacterial infection transmitted primarily through tick bites—most commonly the Ixodes species, also known for spreading Lyme disease. The bacteria Anaplasma phagocytophilum invades white blood cells, triggering inflammation that leads to a range of symptoms that often mimic other common canine ailments.