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Leptospirosis on the Rise.

Date Posted: Nov 01, 23018

Leptospirosis Spike Threatens Area Pets:


From the Hamilton Veterinary Staff “We want pet parents to be aware of Leptospirosis, and to consider vaccinating their at-risk pets to help prevent spread of the disease. Each individual patient should be assessed by their family veterinarian.

You and your pet are both at risk for Leptospirosis:


  • Leptospirosis is a zoonotic disease, meaning that you can also contract this infection from your pet.
  • If you have a pet that has Leptospirosis, please contact your health care provider and inform them. This is especially true if you are pregnant, plan to become pregnant, or are immunosuppressed for any reason.
  • It is most commonly spread through contact with infected urine and either your mucus membranes (lips, mouth, nose, eyes) or an open wound. 
  • Leptospira bacteria has been found in sitting water including old tires or toys left outside.
  • This bacteria is endemic world-wide in wild mice and rats and they are usually the source of the infection.
  • This is a curable disease, but necessitates long term antibiotics and other supportive care, and without this, it can be fatal to both you and your pets.
  • There is a vaccine for Leptospirosis. Contact your family veterinarian to see if they recommend it for your pet.

Signs and symptoms of Leptospirosis:


  • General malaise
  • Excessive drinking and urinating
  • Waxing/waning fever
  • Vomiting or loss of appetite
  • Icterus (yellowing of the gums, skin and whites of the eyes)
  • Excessive bleeding or bruising
  • Kidney and/or liver failure

If you have any concerns or questions we will be happy to assist you by calling us at 609-888-3400. 

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