How Deadly Is Antifreeze To Pets?
The toxic component of antifreeze is ethylene glycol. The U.S. Food and Drug Administration (FDA) has determined that propylene glycol, however, is safe.
And that is the main difference between regular and “pet safe” antifreeze.
Do-it-yourself auto mechanics should be aware that ethylene glycol (the bad stuff) is also a component of engine coolant and hydraulic brake fluids.
Now that we’ve got that cleared up, let’s talk about the deadly danger that just a small amount of ingested antifreeze presents to our dogs and cats.
These two facts will give you an idea of just how toxic antifreeze is:
- a cat that walks through a puddle of the stuff, and then licks its paw, will likely ingest enough to kill it.
- It would take less than 3 ounces of antifreeze to kill the medium sized dog that ingest it.
For some reason, both species are attracted to the product and will readily drink it. Most of what you read and hear says that antifreeze has a sweetness to it that they like. Well, dogs are taste-receptor challenged and cats, through a genetic defect, are unable to detect sweetness. One could argue, perhaps, that the aroma of antifreeze is what’s attractive.
Does it even matter? Me thinks not. The fact is, both species will drink it without hesitation for whatever reason, and it can kill them in just a few days.
Ethylene glycol affects the brain, liver and kidneys, and it’s the kidneys that are usually the first to go, taking the animal with them. The damage caused to kidneys is severe and irreversible. Most animals that die from antifreeze poisoning do so from kidney failure. The sooner treatment is begun, the greater the pet’s chances of survival.
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Quick Action Is a Life or Death Matter
The best chance for survival occurs when treatment is started within the first few hours after ingestion. If you catch your pet drinking antifreeze, or suspect that she has, call the vet and make sure whoever answers the phone doesn’t get away with, “Vet clinic, hold please.” Jump right in and state you have an emergency.
Your vet will have you drop what you’re doing and come in right away, and, if your pet is conscious, they may have you induce vomiting, using hydrogen peroxide, before or during the ride in. They’ll give you specific instructions on that procedure.
Your pet’s liver begins to break down the antifreeze and that’s where the trouble begins, as the ethylene glycol is set free to do its damage. If you can get your pet in soon after ingesting the antifreeze; drugs are given that will interfere with the liver’s ability to break it down. The “unprocessed” antifreeze can then be passed in the urine.
Initial treatment within the first few hours after ingestion may also include inducing vomiting and instilling activated charcoal into the stomach to absorb any remaining antifreeze.
Signs and Symptoms
Shortly after ingestion, your pet may act depressed, or she may get goofy, almost like she’s drunk. She may have seizures. As time goes on she’ll show a strong thirst and will consume large amounts of water, resulting in the voiding of a large volume of urine. She may also vomit.
She may even appear to be feeling a little better, but in a day or so the kidneys will begin to fail. She’ll continue to vomit, be lethargic, and urine production will slow to a trickle. It’s at this point that the prognosis takes a turn for the worse.
Pets brought to the vet in this condition frequently die unless aggressive treatment, such as dialysis or even kidney transplantation, is pursued. And even those treatments aren’t a sure fix.
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Prevention! Prevention! Prevention!
Free-roaming dogs and cats are more vulnerable than house pets. Dogs and cats that are allowed to go outside unsupervised, but confined in the yard, are at a slightly higher risk than house pets.
Those animals could inadvertently gain access to a garage or driveway where antifreeze had been spilled.
It’s the free-roamers who have access to places where leaks and spills make antifreeze more readily available to them.
You should be concerned about your free-roaming pets’ access to parking lots, service stations, filling stations and neighborhoods where DIY auto mechanics service their vehicles in the driveway or garage.
If you bring your pets with you on winter vacations to cold weather venues, be aware that some places “winterize their pipes” by putting antifreeze in toilet bowls.
In these places, always make sure the toilet seat is down. And this time we mean it, guys!
Other simple precautions include:
● Switch to an antifreeze brand that uses propylene glycol
● Wipe up spills immediately and completely
● Dispose of empty antifreeze bottles in a way that pets can’t get at them
● Safely cap and store unused antifreeze where pets (and kids) can’t get at it
● Check your vehicle’s radiator frequently and repair leaks immediately
Remember that it doesn’t take much antifreeze to kill a dog or a cat. And it takes even less to cause serious damage short of death.
From the first gulp, the clock is ticking and time is not on your side.