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What is Leptospirosis? It can affect Dogs, Cats and Humans

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Leptospirosis is a disease caused by infection with a kind of bacteria called Leptospira.

Leptospirosis can cause kidney failure and liver failure, and occasionally severe lung disease and bleeding disorders.

The clinical signs of Leptospira infection vary considerably from no signs of infection, to just a mild illness of short duration from which the animal recovers quickly on their own, to severe disease and even death.
With regard to companion animals, dogs are most susceptible to developing leptospirosis but generally infection is rare. Cats and other animals can also be affected, including humans. Outbreaks in some piggeries and cattle herds, particularly dairy, may occur in unvaccinated animals.

Small mammals such as rodents are often carriers and shed the bacteria in their urine.

Your pet can become infected and potentially develop leptospirosis if:

  • Their mucous membranes (i.e. lips, tongue, gums, inside of the eyelids) or any broken skin (i.e. a wound) comes into contact with infected urine or something that is contaminated by infected urine (for example, soil, water, food).
  • They eat tissue from an animal or carcass that is infected.
  • They are bitten by an animal that is infected.
  • Rarely, through breeding or if a pregnant female passes the infection through the placenta to her puppies.
  • Signs of leptospirosis may include:
    • Fever
    • Lethargy
    • Sore muscles and a reluctance to move
    • Shivering
    • Increased drinking
    • Increased or decreased frequency or amount of urination
    • Dehydration
    • Vomiting
    • Diarrhoea
    • Jaundice (where the skin and mucous membranes become yellow in colour)
    • Eye inflammation
    • Difficulty breathing
    • Bleeding (including blood in vomit or faeces, saliva, bleeding from the nose and small red spots on mucous membranes or pale skin from bleeding)
    • Fluid accumulation causing swollen legs, distended abdomen or restricted ability to breathe

If you have any concerns about your pet, please contact your vet as soon as possible. Leptospirosis can be treated, usually with antibiotics and supportive care. The chance of recovery depends on how severely the dog is affected, and how quickly they receive veterinary treatment.

What Can Be Done To Prevent Leptospirosis?
There are vaccines available in dogs that can effectively prevent leptospirosis.

You can also reduce your dog’s risk of infection by minimising your dog’s potential exposure to Leptospira bacteria. Avoid your dog drinking from or swimming in waterways that pose a potential risk and minimise their contact with potentially infected animals such as farm animals and rodents, including making sure that they do not eat carcasses.

You can also see the videos on Facebook and online at www.orchardhillsvet.com.au.

 

Article Written + Submitted by: Camille Brandt from Orchard Hills Veterinary Hospital
A: 377 Wentworth Rd, Orchard Hills P: 4736 2027

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