Vets warn of paralysis ticks

October 1, 2013

Vets at the Murdoch Pet Emergency Centre (MPEC) are warning of potentially fatal toxicity in pets due to a sudden increase in paralysis tick cases.

Dr Jill Griffiths, Veterinary Supervisor of MPEC, said pet owners should take great care when travelling with their pets in the eastern states.

“Recent weather conditions have created perfect breeding conditions for these ticks. We have had more pets present with paralysis tick poisoning in the last 10 days than we usually see in a year,” Dr Griffiths said.

“Paralysis ticks are not naturally found in Western Australia, and all the cases we have seen here are of dogs and cats that have recently travelled from the eastern states. This coincides with record numbers of paralysis tick cases in New South Wales and Queensland.”

Signs of paralysis tick intoxication include weakness, lack of coordination, gurgling, breathing problems, choking and a change in voice. The signs usually start with hind leg weakness and progress forward up the body.

Intoxication occurs when a tick bites, releasing a toxin into the pet as they feed.

“Tick paralysis can be fatal, so it is critical that pets are taken to a vet immediately if any symptoms are noted. Treatment involves tick anti-serum, intravenous fluids and supportive care, and some animals will need extra oxygen or to be placed on a ventilator to help them recover from this toxicity,” Dr Griffiths said.

Paralysis ticks are typically found along the eastern seaboard, usually in scrub and long grass. They usually attach around the legs, chest, head and neck, but can be anywhere on the body including down inside the ears.

Dr Griffiths said pets needed to be checked every day for ticks when in these areas, which owners could do by running their hands all over the animal’s coat, feeling for anything unusual, including inside the toes and looking inside the ears.

Tick preventatives are also recommended, but do not remove the need for daily checks.

Dr Griffiths advises that if you do travel to the eastern states and find a tick on your pet, gently remove it immediately and closely monitor your pet for at least three days for any clinical signs.

“Paralysis can take up to three days to show signs, so it is important to be continually vigilant,” she said.

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Comments (4 responses)

Philippe October 8, 2013

Wow this is really serious … do you know if there's been any cases like this is north America? Thank you

Candice Barnes October 11, 2013

Hi Philippe,

This particular tick is found on the east coast of Australia (, so it's worth checking if your pet has been travelling in that part of the world.

Here's some information relating to North American ticks:

Many thanks,

Paul wood March 7, 2015

Yep it's a worry i am concerned about the number of ticks I have found on my daughters dog this year, 4 in the last month and he's barely left Southlake. Found two this morning, Frontline doesn't seem to last as long as it use to ,took pictures for reference an how long can they live without a host? out of curiosity

Jill Griffiths March 9, 2015

Hi Paul, ticks can live many months (greater than a year, for some ticks) off the host especially in the early developmental stages, which is why year round control is important. Jill.

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