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