| There are many products on the market nowadays that are used to kill ants, termites, wasps, garden pests and other insects. Most of them contain organophosphates and carbamates as their active ingredients. At one time these compounds were added to most sprays, powders and dips used to control fleas and ticks on dogs. With the advent of pyrethrin insecticides which are equally effective, but much less toxic, organophosphates and carbamates are being phased out in topical preparations. | |||
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Organophosphates and Carbamates |
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| Organophosphates Examples: Chlorpyrifos, Diazinon, Phosmet, Fenthion, Cythioate, and Tetrachlorvinphos |
Signs
and Symptoms: Usually poisoning with these 2 groups of insecticides is caused by ingesting poison bait. Exposure to high concentrations of the chemicals in sprays and dusts can also occur. |
Treatment: If your suspect that your dog has ingested an insecticide poison, immediately induce vomiting and notify your veterinarian. With any signs of toxicity, the first priority is to get your dog to the veterinarian as quickly as possible. Since the specific antidote for organophosphate poisoning is different than carbamate poisoning it is important to give your vet the name of the insecticide that was ingested. |
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Carbamates |
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Chlorinated Hydrocarbons |
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| Chlorinated
Hydrocarbons Examples: Lindane, Mythoxychlor, and Toxaphene |
Signs and
Symptoms:
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Treatment: For assistance with CPR, Click here. If the poison was ingested, induce vomiting. To help with inducing vomiting, Click here. Controlling seizures will have to be done by your vet or your nearest veterinary hospital. **There is no specific antidote for chlorinated hydrocarbons. |
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Pyrethrin/Pyrethroids |
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| Pyrethrin/Pyrethroids Examples: Permethrin, Allethrin, Fenvalerate, Resmethrin, and Sumethrin |
Signs and Symptoms:
Toxicity occurs primarily in small dogs. Death is rare. Simultaneous exposure to organophosphates increases the toxicity of pyrethroids. |
Treatment: For topical exposure, remove residual insecticide by bathing the dog in lukewarm water and rinse thoroughly. Bathing in hot or cold water may actually increase the rate of absorption or cause hypothermia, which increases toxicity. After bathing, keep the dog warm. Prevention: Since most cases of poisonings with this category of insecticide is caused by improper application of flea control products. This might happen because the product is being used more often than the instructions call for, or is being used in combination with another flea control product. Follow all instructions carefully. |
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Arsenic |
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Pyrethrin/Pyrethroids
Examples: Sodium arsenate Potassium arsenate |
Signs and
Symptoms:
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Treatment: Since Arsenic's actions are rapid, it is extremely important to get your pet to an emergency veterinary hospital immediately. Prevention: |
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This was an excerpt from the book, "Dog Owner's Home Veterinary Handbook" 3rd Edition by James M. Giffin MD & Liisa D. Carlson, DVM. |
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