Dangers of Flea And Tick Products – Simple, Safe Steps To Flea And Tick Prevention
When you realize that a flea and tick treatment is essentially a pesticide or insecticide, it may make you think twice before using it on your precious companion animal(s). Not only is the use of pesticides/insecticides not an eco friendly living choice, but actually using them in your home environment may be hazardous to you, your family and your pet’s health. You know that awful odour that comes from a flea and tick collar? The collar is literally soaked in chemical pesticides. YUCK! You do not want that around your pet’s neck or to be breathing that in.

Below is a list of chemicals that may be found in popular flea and tick products. Treatments can be collars, topicals, pills, shampoos, flea sprays, etc. Choose wisely… Make sure you know the possible dangers before purchasing a product. Toxins can build up over time and run down your pet’s immune system and in extreme cases cause fatalities. The list below
will help you identify the dangerous chemicals in flea and tick treatment.
|
CHEMICAL NAME |
SIDE EFFECTS |
PET WARNING |
HUMAN RISKS |
|
Amitraz
|
Developmental toxin, suspected endocrine disruptor, possible carcinogen |
AVOID USE |
AVOID USE |
|
Carbaryl |
Toxic to the nervous system, may cause cancer, suspected endocrine disruptor |
AVOID USE |
AVOID USE |
|
D-limonene |
Linked to asthma & allergies |
VERY TOXIC TO PETS, ESPECIALLY CATS |
Not enough info. to determine human toxicity. |
|
D-trans Allethrin
|
Suspected endocrine disruptor |
VERY TOXIC TO CATS |
|
|
Essential Oils: Bay, Cinnamon, Citronella, Clove, Eucalyptus, Geranium, Rue and Tea Tree |
Linked to asthma and allergies.
|
VERY TOXIC TO PETS, ESPECIALLY CATS |
Not enough info. to determine human toxicity. |
|
Essential Oils: Cedarwood, Peppermint, Rosemary & Thyme |
|
Check w/ Vet before use |
Safer essential oil. |
|
Essential Oil: Lavender |
Linked to asthma and allergies, suspected endocrine disruptor. |
VERY TOXIC TO PETS |
Not enough info. to determine human toxicity |
|
Essential Oil: Pennyroyal |
Toxic to the liver. |
VERY TOXIC TO PETS CAN CAUSE SEIZURES, COMA OR DEATH |
Not enough info. to determine human toxicity. |
|
Etofenprox |
Toxic to nervous system, endocrine disruptor |
VERY TOXIC TO CATS AVOID USE |
AVOID USE |
|
Fenoxycarb |
May cause cancer, developmental toxin, suspected endocrine disruptor |
AVOID USE |
AVOID USE |
|
Fipronil |
Possible carcinogen, toxic to nervous system, suspected endocrine disruptor |
|
|
|
Imidacloprid |
Toxic to the nervous system |
AVOID USE |
Don’t use if pregnant of around young children. |
|
Lufenuron |
|
Check w/ Vet before use |
Taken as pill; lower risk to humans |
|
Metaflumizone |
|
|
Not enough info. to determine human toxicity. |
|
Nitenpyram |
|
|
Taken as pill; lower risk to humans. |
|
Permethrin |
May cause cancer, linked to asthma and allergies, suspected endocrine disruptor |
VERY TOXIC TO CATS AVOID USE |
AVOID USE |
|
Phyrethrins |
Toxic to nervous system, linked to asthma and allergies, possible carcinogen |
VERY TOXIC TO CATS |
Don’t use if pregnant of around young children. |
|
Propoxur |
Toxic to nervous system, possible carcinogen |
AVOID USE |
AVOID USE |
|
Pyriproxfen |
|
Check w/ Vet before use |
Safer, but check before use. |
|
Selamectin |
|
|
Not enough info. to determine human toxicity. |
|
S-Methoprene |
|
Check w/ Vet before use |
Safer, but check before use. |
|
Spinosad |
|
Check w/ Vet before use |
Taken as pill; lower risk to humans. |
|
Tetrachlorvinphos |
May cause cancer, toxic to the nervous system, suspected endocrine disruptor. |
AVOID USE |
|
If you are concerned your pet may be in danger look for these warning signs of poisoning:
- Abnormal swelling
- Weight loss or loss of appetite
- Difficulty eating or swallowing
- Bleeding or discharge
- Unpleasant odour
- Lameness or stiffness; loss of stamina
- Hearing/Vision problems
- Difficulty breathing, urinating or defecating
- Sores that are not healing
There are some simple things you can do for flea and tick prevention and control that do not involve the use of chemicals: Keep Clean!
- Vacuum furniture, floors, corners, etc. If you do have flea concerns, dispose of the bag after vacuuming, otherwise just be sure to keep up with the vacuuming to discourage infestation. Cutting back on the clutter is also helpful.
- Wash your pet’s bedding in hot water once a week. If they sleep on your bed, this means washing your bedding too.
- Wash your pet! Give your pet a bath; just be sure to avoid shampoos that contain the harmful chemicals listed above. You don’t have to buy fancy soaps; just a natural soap will work great!
- This goes for your yard too! You can keep it “clean” by mowing your grass and keeping shrubs clipped. This is especially helpful in your pet’s favorite areas because it helps keep these areas dry and fleas do not like dry spaces.

Comb them out! Flea combs are a must have flea control tool! Get a flea comb and comb through your pet’s hair on a regular basis. This helps you monitor them and find any possible fleas not to mention your pet appreciates any type of grooming you provide them. If you find fleas, put them in soapy water. Nematodes Both fleas and nematodes live in wet, shady spots. This is important because nematodes (microscopic worms) eat flea larvae. You can purchase them online, at pet stores or at garden centers.








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