Journal of Veterinary Parasitology

A case of babesiosis in a domestic cat with its successful treatment is reported. The disease was characterized by emaciation, letharginess, body temperature (100.4°F), rapid and increased heartbeat and tachypnoea; normal TLC (5370 per mm³), absolute neutrophil count (4350 per mm³), lymphopenia (752 per mm³) and small amoeboid, oval or rounded parasites of varying sizes in erythrocytes resembling Babesia felis. Electrocardiogram revealed sinus tachycardia. Recovery was uneventful with primaquine phosphate @ 0.5 mg kg⁻¹ body weight orally repeated once after seven days and cyproheptadine.