
There are many potential toxins that cats can be exposed to, especially during the fall season. While scented candles can be an autumnal treat for many, some candles can be harmful to cats. Candles made from paraffin wax, with lead wicks, or those that release synthetic fragrances and oils can be toxic to cats. For example, fragrances and oils can aggravate respiratory illnesses in cats, and essential oils can cause topical irritation or be ingested during grooming. However, some candle ingredients, such as soy, coconut, or vegetable-based waxes, are generally considered safe for cats. It is always important to keep candles out of your cat's reach and to ensure that ingredients like eucalyptus, pine, clove, lavender, and tea tree oil are avoided as they can cause strong reactions or be harmful to cats.
| Characteristics | Values |
|---|---|
| Toxicity | Bath and body candles are not toxic to cats, but they can be irritating to their nasal passages. |
| Ingredients | Some candles contain paraffin, which emits VOCs when burned, and this can be harmful to cats. |
| Alternative Ingredients | Soybean oil, soy, coconut, or vegetable-based wax with an unbleached 100% cotton wick are safer alternatives for candles around pets. |
| Scents to Avoid | Eucalyptus, pine, clove, lavender, and tea tree. |
| Symptoms | Sneezing, respiratory issues, and in severe cases, liver toxicity, vomiting, tremors, or seizures. |
| Precautions | Keep candles out of your cat's reach and avoid using essential oils or ultrasonic diffusers that can put droplets into the air and build up on your cat's skin. |
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What You'll Learn
- Paraffin candles emit VOCs, which are harmful to cats
- Candles with synthetic oil and fragrances can be toxic to cats
- Eucalyptus, pine, clove, lavender, and tea tree scents can cause strong reactions in cats
- Soy, coconut, or vegetable-based wax candles are safe alternatives for cats
- Keep candles out of cats' reach to prevent injury

Paraffin candles emit VOCs, which are harmful to cats
Paraffin wax is a petroleum derivative, originally a by-product of the fuel industry. It should be avoided as it releases volatile organic compounds (VOCs), which are gases that easily and quickly vaporize into the air at room temperature. These VOCs are commonly emitted from paints, cleaning products, cosmetics, air fresheners, car exhaust, and fuel-burning appliances. Some VOCs are harmful on their own, while others can react with other gases to form pollutants once they are in the air.
One of the VOCs often emitted from paraffin candles is toluene, which has a distinctive smell and naturally occurs in crude oil. Toluene is registered as a toxin with established exposure limits by some regulatory agencies, including the US Environmental Protection Agency. Benzene, a known carcinogen, is another VOC released by paraffin candles. Long-term exposure to this chemical has been linked to blood disorders such as leukemia, and it can also be a respiratory irritant.
Paraffin candles also emit the VOCs polycyclic aromatic hydrocarbons, which contain benzene and formaldehyde, another known carcinogen. Studies have shown that burning candles contribute to poor air quality and increase the risk of exposure to chemicals of concern. In addition, artificial fragrances used in scented candles also have VOCs, including phthalates, which have been linked to learning and behaviour problems, obesity, impaired development of the reproductive system, and more.
Therefore, it is important to use candles with caution around cats, as they can be sensitive to fragrances and some essential oils are poisonous to cats. While most scented candles are relatively safe, they might not be to a cat's taste, and strong smells close to a cat's food or litter box might affect their day-to-day activities and lead to stress-related illnesses. To minimize the risk of toxic emissions, it is recommended to use candles in well-ventilated areas and to opt for cleaner-burning candles made from soy, beeswax, or vegetable wax instead of paraffin.
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Candles with synthetic oil and fragrances can be toxic to cats
While candles can create a cosy atmosphere and make your home smell wonderful, it's important to be cautious when using them around cats. Candles that are made from paraffin wax, use a lead wick, or release synthetic oil and fragrances can be toxic to cats.
Candles with synthetic oil and fragrances can aggravate existing respiratory illnesses in cats due to harmful toxins such as naphthalene or phthalates. Cats with asthma, for example, may experience aggravated symptoms when exposed to these types of candles.
Some essential oils can also be harmful to cats, especially when used in ultrasonic diffusers that release droplets into the air. This can cause a buildup of oil on the cat's skin, leading to topical irritation or ingestion during grooming. Oils such as clove oil, which contains eugenols, can cause liver toxicity, vomiting, tremors, seizures, and staggering in cats. Cinnamon oil, even in small amounts, can also be toxic to cats.
To minimize the risk of toxicity, it is recommended to use candles made from soy, coconut, or vegetable-based wax with an unbleached 100% cotton wick. Avoid candles with eucalyptus, pine, lavender, tea tree, and clove scents, as these can be irritating or toxic to cats. Always keep candles out of your cat's reach and ensure they do not ingest any candle wax or scented oils.
If you are concerned that your cat may have been exposed to toxic candle fumes or ingested something harmful, contact your veterinarian immediately for advice and guidance.
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Eucalyptus, pine, clove, lavender, and tea tree scents can cause strong reactions in cats
While candles can be a great way to create a cosy atmosphere, it's important to take some precautions when using them around cats. Certain scents, such as eucalyptus, pine, clove, lavender, and tea tree, can cause strong reactions in cats and should be avoided. These specific scents have been known to trigger adverse effects in cats, so it's best to steer clear of them when choosing candles or any other scented products for your home if you're a cat owner.
Eucalyptus is known to be particularly harmful to cats and can cause issues even when used in small amounts. It's important always to read the labels of scented products and avoid anything that contains eucalyptus oil or extract. Pine is another scent that can be problematic for cats. Pine-scented candles, in particular, have been known to cause strong reactions in cats, including respiratory issues and skin irritation.
Clove is a spice commonly found in autumn-themed treats and decorations, but it can be toxic to cats. Clove oil contains eugenols, which can lead to liver toxicity and other serious symptoms such as vomiting, tremors, seizures, and staggering in cats. Lavender is often used in candles and other scented products to promote relaxation, but it can have the opposite effect on cats. While it may not be toxic in small amounts, lavender can still cause adverse reactions in cats, especially if they are exposed to concentrated forms like essential oils.
Tea tree oil is another essential oil that is toxic to cats, even in small amounts. It can cause a range of symptoms, including disorientation, vomiting, and weakness. To keep your cats safe, it's best to avoid using tea tree oil in any form around them. In general, it is recommended to use candles made from soy, coconut, or vegetable-based wax with an unbleached 100% cotton wick to minimise potential risks to your feline friends.
While the potential risks vary depending on the specific ingredients and your cat's individual sensitivity, it is always better to be cautious. Cats have a sensitive sense of smell, and what may seem like a pleasant scent to humans could be overwhelming or irritating to them. Always keep candles out of your cat's reach, and ensure proper ventilation when burning them to minimise any potential harm. Additionally, paraffin wax candles with lead wicks or synthetic fragrances can emit volatile organic compounds (VOCs) when burned, which can be harmful to cats and other pets.
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Soy, coconut, or vegetable-based wax candles are safe alternatives for cats
The type of wax used in candles is an important consideration for cat owners. Paraffin wax, a common ingredient in commercial candles, is a petroleum derivative that emits harmful VOCs when burned. These fumes are toxic not only to cats but also to humans, as they can cause irritation to the airways and have even been compared to inhaling diesel fumes.
Soy wax candles are often considered a safer alternative to traditional paraffin wax candles. While soy wax candles can contain essential oils that may be toxic to cats if ingested or inhaled in large amounts, taking proper precautions and being mindful of ingredients can make soy wax candles a safe option for cat owners. It is important to always supervise cats when burning soy candles and ensure they cannot access the candles or wax. Additionally, carefully reading the ingredients list before purchasing soy candles can help avoid those that contain toxic essential oils, such as tea tree, eucalyptus, and peppermint.
Coconut wax and vegetable-based wax candles are also recommended as safe alternatives for cats. These natural wax candles emit low levels of fumes and fragrances, making them fairly safe when burnt occasionally for short periods. However, open flames always require careful management, and extra precautions should be taken for cats with underlying respiratory issues.
Overall, while soy, coconut, or vegetable-based wax candles are safer options for cats compared to paraffin wax candles, it is crucial to prioritize proper supervision, ingredient awareness, and responsible candle usage to ensure the health and safety of both cats and their owners.
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Keep candles out of cats' reach to prevent injury
While candles can be a great way to create a cosy atmosphere, it's important to take certain precautions to keep your feline friends safe. Cats can be curious creatures, so it's crucial to keep candles out of their reach to prevent any potential injuries or toxic exposures. Here are some measures you can take to ensure your cat's safety:
Choose Pet-Safe Candles: Opt for candles made from soy, coconut, or vegetable-based wax with an unbleached 100% cotton wick. These candles are less likely to contain harmful toxins that can be released into the air and irritate your cat's respiratory system. Avoid candles with paraffin wax, lead wicks, or synthetic fragrances, as these can be toxic to cats.
Read the Ingredients: Always read the scent notes before purchasing a candle. Some essential oils and fragrances can be harmful to cats, such as eucalyptus, pine, clove, lavender, and tea tree oil. These oils can cause respiratory issues or other toxic reactions in cats, so it's best to avoid them altogether.
Burn Candles in Well-Ventilated Areas: Ensure that the room is well-ventilated when burning candles. Open a window or door to allow fresh air to circulate, diluting the concentration of any potential toxins in the air. This simple step can make a big difference in maintaining a healthy environment for your cat.
Supervise Your Cat's Interactions: Always supervise your cat when candles are lit. Keep an eye on their behaviour and watch for any signs of discomfort or toxicity, such as sneezing, respiratory distress, or unusual behaviour. If you notice any adverse reactions, immediately extinguish the candle and remove your cat from the area.
Keep Candles Out of Reach: Store your candles in a secure location when not in use. Place them on high shelves or inside closed cabinets that your cat cannot access. This prevents accidental knocks or curious cats from getting too close to the open flame. Remember to extinguish candles completely before leaving the room.
By following these precautions, you can enjoy your candles while ensuring the safety and well-being of your beloved cats. Their curious nature and playful instincts might lead them to explore, so taking these preventive measures is essential to creating a cat-friendly environment.
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Frequently asked questions
No, the candles are not toxic, but they can be irritating to a cat's nasal passages, causing sneezing.
Candles made from paraffin wax, with lead wicks, or that release synthetic fragrances and oils can be toxic to cats. Candles with eucalyptus, pine, clove, lavender, tea tree, cinnamon, or nutmeg scents can also be harmful.
Symptoms of candle toxicity in cats can include respiratory issues, vomiting, abdominal pain, changes in blood pressure and heart rate, disorientation, seizures, and liver toxicity.
To avoid exposing your cat to toxic candles, use soy, coconut, or vegetable-based wax candles with unbleached 100% cotton wicks. Keep candles out of your cat's reach and avoid using essential oils or ultrasonic diffusers, as these can cause topical irritation or be ingested during grooming.











































