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Health2026-03-27

The Silent Killer: Paralysis Ticks in Australia

Ixodes holocyclus is completely unique to the Australian East Coast. Learn how to spot the signs before it is too late.

The Silent Killer: Paralysis Ticks in Australia

A Danger Unique to Our Coast

The Australian Paralysis Tick (Ixodes holocyclus) is found right along the eastern seaboard from North Queensland down to Victoria. Unlike standard bush ticks, a single bite from a paralysis tick injects a neurotoxin that can be fatal to dogs and cats within days.

1. The Subtle Early Signs

The first observation isn't usually a limp. It starts with a change in their "voice"—a dog's bark will become hoarse, or a cat's meow will sound raspy. This is followed by retching, vomiting, and a notable weakness in their back legs causing them to wobble when they walk.

2. The "Search and Destroy" Habit

No preventative chew is 100% perfect, especially if they vomit it up. During tick season (Spring through Autumn), you must perform a daily "tick check." Walk your fingers deeply through their coat, especially around the neck, behind the ears, under the collar, and between the toes. Ticks feel like small, hard warts.

Pro Tip

If you find a tick, do NOT pull it off with your bare fingers, as you may squeeze more toxin into the pet. Use a proper tick hook or tweezers at the skin level. Keep the pet calm and immediately head to the vet for Tick Antiserum.