Leptospirosis is a bacterial disease causing serious kidney and liver damage in dogs. Understanding exposure risks and prevention protects both dogs and their human companions from this zoonotic threat.
Leptospirosis causes acute, severe suffering — kidney failure is painful and rapidly progressing, and the systemic nature of severe disease affects multiple organs simultaneously. Untreated, the disease is frequently fatal. Treatment with antibiotics is effective if initiated early, but the recovery period involves hospitalization, IV fluids, and careful monitoring. Prevention is straightforward and highly effective — vaccination combined with environmental risk awareness (avoiding flood water, standing water, and areas with heavy wildlife activity) eliminates most disease risk. The zoonotic dimension adds urgency — protecting dogs from leptospirosis also protects their human family members from a serious bacterial infection.