Leading the Way in Ontario
In 2003, WPSHC became Ontario’s first Antivenom Depot. We play a critical role in the safe and efficient distribution of antivenom across the province. Our depot is the central hub for antivenom used in the treatment of bites from the Eastern Massasauga Rattlesnake, the province’s only venomous snake with the ability to harm humans. West Parry Sound Health Centre works closely with medical facilities across Ontario to ensure that the necessary antivenom is available when needed and offers support and advise in the timely treatment of snakebites, using a medical protocol that was developed at WPSHC.

Ensuring access to antivenom across the province involves importing it from Mexico and carefully managing its distribution through a network of hospitals. In the event of a snakebite, you can have confidence that you will receive proper treatment in Ontario, and a full recovery is the normal outcome.
The Eastern Massasauga Rattlesnake is known for its distinctive rattle on its tail, which it uses as a signal when it feels threatened. It is a shy and non-aggressive snake. While its venom can be dangerous, bites are rarely fatal, thanks to effective treatment options. This species is an important part of our region’s ecosystem. Unfortunately, there is a lot of misunderstanding surrounding this species, and as a result it has often been persecuted. This has led to its designation as a Threatened Species, and they are legally protected within Canada. It is our hope that people who have been educated about rattlesnakes will choose to co-exist with them as they do with other wildlife. The continued presence of rattlesnakes reflects the health of natural habitats that we all cherish.
Co-existing Safely with Rattlesnakes
Snake encounters tend to increase during the summer months, as warmer temperatures make it ideal for snakes to be more active. This coincided with an increased population, and many seasonal activities along the shores of Georgian Bay. Coexisting with these snakes is possible however, and by taking a few simple precautions you can almost entirely eliminate the risk of being bitten.
The Eastern Massasauga Rattlesnake is a relatively shy species that prefers to avoid humans. Using its natural camouflage, it will often hide to stay undetected, only striking when it feels threatened. Many bites occur when people engage in risky behaviors, such as attempting to capture or handle, or photograph a rattlesnake. This not only poses a danger, but is also illegal. Violating the Species at Risk Act or Endangered Species Act can result in:
- A fine of up to $250,000 and/or up to one year of imprisonment.
- For violations related to commercial activities, penalties increase to a maximum fine of $1,000,000.
How Can I Avoid a Snakebite?
- When you see or hear a rattlesnake simply leave it alone and give it space to retreat.
- Do not pick up, approach them to take their photo, or bother snakes when you encounter them.
- Stay on established paths when walking in rattlesnake habitat, and keep an eye on where you are walking.
- Use a flashlight at night.
- Wear close-toed boots or shoes when hiking. The Massasauga has relatively small fangs that are not likely to penetrate leather-hiking boots.
- Watch where you put your hands and feet, do not reach into areas where you cannot see.
If on the rare chance you are bitten:
- Stay calm and don’t panic. Not all bites result in venom being injected.
- Reduce movement.
- Clean the wound.
- Remove jewelry on the affected limb.
- DO NOT apply ice or a tourniquet, and do not cut or apply suction to the bite area.
- Call emergency services (911) and/or get to a hospital as quickly and safely as possible.