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Merck Manual

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Signs of Leptospirosis in Dogs

Signs of Leptospirosis in Dogs

Early findings are nonspecific and include:

  • Fever

  • Depression

  • Lethargy

  • Loss of appetite

  • Joint or muscle pain

  • Eye and nasal discharge

  • Changes in urination amount

The disease may progress within a few days to a kidney crisis characterized by:

  • Vomiting

  • Dehydration

  • Back pain from inflammation of the kidney

  • Kidney failure

Other signs can include:

  • Jaundice

  • Stiffness

  • Weakness

  • Reluctance to move