What symptoms occur from tick bites in a dog? - briefly
Typical signs include localized redness, swelling, and a small, raised lesion at the attachment site; systemic manifestations may involve fever, lethargy, loss of appetite, and joint pain. In severe cases, anemia, neurological deficits, or kidney failure can develop.
What symptoms occur from tick bites in a dog? - in detail
Tick attachment often produces a small, raised nodule at the bite site. The skin around the lesion may become red, swollen, and warm to the touch. In many cases, the dog will scratch or lick the area, leading to secondary ulceration or crust formation. Alopecia can develop if the bite causes persistent irritation or infection.
Systemic manifestations appear when pathogens are transmitted or when a large number of ticks feed. Fever may be recorded, accompanied by a loss of appetite and reduced activity. Joint discomfort presents as stiffness, reluctance to move, or a hopping gait, indicating possible tick‑borne arthritis. Hematologic changes include anemia, pale mucous membranes, and, in severe infections, petechiae or ecchymoses.
Neurological signs are characteristic of tick‑induced paralysis. Weakness begins in the hind limbs and progresses to the forelimbs, often resulting in a “floppy” posture. Ataxia, tremors, and difficulty swallowing may follow. Respiratory compromise can develop as muscle weakness spreads to the diaphragm, leading to shallow breathing or respiratory failure.
Specific diseases transmitted by ticks generate distinct symptom clusters. Lyme disease commonly causes recurring lameness, swelling of joints, and intermittent fever. Ehrlichiosis often presents with fever, enlarged lymph nodes, and bleeding tendencies such as nosebleeds or bruising. Anaplasmosis may result in fever, joint pain, and occasional vomiting. Babesiosis typically produces hemolytic anemia, jaundice, and dark urine. Rocky Mountain spotted fever can lead to fever, rash, and neurological disturbances.
If any of these signs are observed, prompt veterinary assessment is essential. Early detection and appropriate antimicrobial or supportive therapy reduce the risk of chronic complications and improve recovery outcomes.