
Dogs have a much stronger sense of smell than humans, so while scented candles might be pleasing to us, they can be overpowering for dogs. Some candles contain chemicals that can be harmful to dogs when burned, and dogs with asthma or other respiratory issues are particularly vulnerable. Toxic chemicals in candles can cause allergic reactions, irritate existing respiratory problems, and even cause cancer. Essential oils, such as tea tree, mint, and citrus oils, can be especially dangerous, causing serious illnesses such as aspiration pneumonia and liver failure. If you want to enjoy candles safely around your dog, opt for unscented candles made from soy, beeswax, or vegetable wax, and always keep them out of your dog's reach to prevent burns and ingestion of wax.
| Characteristics | Values |
|---|---|
| Health risk | Candles can pose a health risk to dogs |
| Toxic chemicals | Many scented candles contain toxic chemicals that can harm dogs |
| Allergic reaction | Fragrances can cause an allergic reaction or irritate existing respiratory problems in dogs |
| Safer alternatives | Choose unscented candles made of soy, beeswax, or vegetable wax |
| Fire or burn risk | Dogs can get burned by candles if they are not placed out of their reach |
| Eating candles | If your dog eats a candle, a foreign object could get stuck in their gastrointestinal tract |
| Toxic fragrances | If your dog eats a scented candle, they may be exposed to a toxic fragrance or essential oil |
| Paraffin wax | Most large candle companies use paraffin wax, which can be harmful to dogs |
| Artificial scents | Candles with artificial scents or heavy perfumes have been linked to negative reactions in dogs |
| Signs of irritation | Watery eyes, sneezing, and coughing may indicate that your dog is irritated by candle fumes |
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What You'll Learn

Toxic chemicals in candles
While candles can add to the ambiance and fragrance of your home, many scented candles contain toxic chemicals that can harm dogs. These chemicals can cause allergic reactions, irritate existing respiratory problems, and cause breathing problems in dogs.
One of the main toxic chemicals found in candles is paraffin wax, which is derived from crude oil. Paraffin wax candles emit soot, which contains large amounts of microparticles that are linked to an increased risk of heart disease and other cardiovascular issues. The soot can also leave behind nasty residues on furniture and decor. Additionally, the process of extracting paraffin wax from crude oil is energy-intensive and harmful to the environment.
Another toxic chemical to avoid in candles is naphthalene, commonly found in mothballs. When naphthalene is burned, it breaks down into toxic gases that can affect a dog's lungs and eyes. Animal studies have indicated that exposure to naphthalene can also cause cancer.
Phthalates, also known as plasticizers, are another type of chemical often found in scented candles. These chemicals are used to soften plastics and are present in various household products, including candles, soaps, and makeup. Phthalates can build up in the body over time, increasing the risk of cancer.
To avoid exposing your dog to toxic chemicals, choose unscented candles made from natural, sustainable materials such as beeswax, soy wax, or vegetable wax. These alternatives burn cleanly and produce far fewer microparticles, reducing the risk of respiratory issues and lung cancer. Additionally, ensure that your dog cannot reach or knock over lit candles to prevent burns or ingestion of wax, which can lead to intestinal blockages.
In summary, while candles can enhance the atmosphere in your home, it is important to be mindful of the potential risks they pose to dogs. By selecting non-toxic, unscented candles and practicing safe candle handling, you can create a dog-friendly environment while still enjoying the warm glow of candlelight.
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Candles as a fire risk
Candles pose a fire risk, and extra care should be taken when pets or children are present in the home. According to the National Fire Protection Association, half of all candle fires start when a flammable object is placed too close to the candle. This includes furniture, mattresses, bedding, curtains, decorations, paper, and clothing. It is important to always keep burning candles away from such flammable items.
In 21% of home candle fires, candles were either left unattended, discarded, or misused. It is crucial to never leave a burning candle unattended and to keep candles out of the reach of children and pets. Additionally, candles should not be burned all the way down. For safety, it is recommended to discontinue burning a candle when 1/2 inch of wax remains in a container or 2 inches for a pillar candle.
To prevent fires, it is important to follow basic safety rules, such as keeping candles away from flammable objects, never leaving them unattended, and discontinuing burning when a certain amount of wax remains. Other safety tips include using a candle snuffer to extinguish a candle, never using water to put out a candle, and ensuring the candle is completely out before leaving the room.
In addition to fire risks, candles can also pose a burn risk to dogs if they are placed within their reach. Flameless candles, which operate on batteries or LEDs, are a safer alternative as they do not pose the same fire and burn hazards while still providing a relaxing glow.
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Ingesting candle wax
Dogs often find candles intriguing, from their enticing scents to their fun texture. If your dog has ingested candle wax, it is important to act calmly and follow these steps:
Inspect the Area
Check how much of the candle is missing and try to determine what type of candle your dog ate. Knowing how much wax your dog consumed and the type of candle can help you understand the potential risks and whether it's a minor issue or something more serious.
Identify the Candle Type
Note whether the candle was made of natural wax (like soy, beeswax, or vegetable wax) or paraffin wax, and whether it was scented or unscented. Paraffin wax, which is made from petroleum or shale oil, does not dissolve in the stomach and can obstruct it if ingested. Unscented candles are much less likely to be toxic to your dog.
Check for Signs of Discomfort
Observe your dog for any immediate symptoms such as vomiting, diarrhea, difficulty swallowing, or excessive drooling. Signs of pain or discomfort may include whining, pacing, or a hunched posture, which could signal abdominal pain. If your dog is showing any signs of distress, it is best to contact your vet immediately.
Contact a Vet
If your dog has ingested a large amount of wax, it could cause a blockage in their intestines and require medical attention. Consumption of candle wax tends to have a laxative effect and can lead to diarrhea or soft, greasy stool. If there are other substances in the candle, such as fragrances or additives, they can be toxic and cause digestive issues in dogs.
Preventative Measures
To prevent your dog from ingesting candle wax, keep candles out of your dog's reach and store candles not in use behind closed doors. If your dog gets into things around the house regularly, you may want to consider keeping your dog crated when unsupervised or in a small room with dangerous items removed.
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Essential oils in candles
While candles can add to the ambiance and fragrance of your home, scented candles often contain toxic chemicals that can harm dogs. These chemicals can cause allergic reactions or irritate existing respiratory problems in dogs. To avoid this, opt for unscented candles made from soy, beeswax, or vegetable wax.
However, if you prefer scented candles, you can choose paraffin-free candles containing dog-safe essential oils. For example, lavender has been linked to reduced stress, lower cortisol levels, and increased rest in dogs. When selecting essential oils, ensure they are safe for your dog and always give your dog the option to leave the room if they don't like the scent.
Making your own candles with essential oils is another option. This allows you to control the ingredients and create custom, all-natural scents. Essential oils have a low flash point, so they can be tricky to work with as they evaporate at high temperatures. Soy wax flakes are a good choice for beginners as they are easy to use, non-toxic, and produce a clean, even burn.
It is important to keep candles out of your dog's reach to prevent burns and the ingestion of wax, which can cause intestinal blockages. Flameless candles are a safer alternative, but keep them out of reach as well, as the batteries can be dangerous if ingested. Always supervise lit candles and ensure your dog cannot access them unsupervised.
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Dog-friendly candles
While candles can add to the ambiance and fragrance of your home, many scented candles contain toxic chemicals that can harm dogs. These chemicals can cause allergic reactions or irritate existing respiratory problems in dogs. Therefore, it is important to choose dog-friendly candles that are safe for your furry friends.
So, what makes a candle dog-friendly? Firstly, it is recommended to opt for unscented candles, as fragrances can be harmful to dogs. Unscented candles are less likely to contain essential oils or synthetic scents, reducing the risk of toxicity for your dog. Instead of scented candles, you can try safer alternatives such as flameless candles, air diffusers, or natural odor neutralizers.
When choosing a dog-friendly candle, look for candles made from vegetable wax, soy, or beeswax. These waxes are safer alternatives to paraffin wax, which can be harmful to dogs. Some candles are made with a coconut-soy wax blend, providing a pet-friendly option that also emits a pleasant fragrance. It is also important to ensure that the candle does not contain any toxic chemicals or pesticides that could be harmful if inhaled or ingested by your dog.
In addition to the type of wax and fragrance, it is crucial to follow candle safety practices when using candles around dogs. Keep candles out of your dog's reach to prevent accidental burns or ingestion of wax. Never leave a dog unattended in a room with a lit candle, and always supervise them when candles are burning. If your dog shows any signs of an allergic reaction, such as watery eyes, sneezing, or coughing, blow out the candle and move them to fresh air.
By choosing unscented or dog-safe scented candles made from vegetable wax, soy, or beeswax, and following candle safety practices, you can create a cozy and safe environment for both you and your furry companion to enjoy.
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Frequently asked questions
Yes, candles can be bad for dogs. Scented candles contain toxic chemicals and essential oils that can cause allergic reactions, irritate respiratory problems, and affect a dog's lungs and eyes. Dogs have a very sensitive sense of smell, so they are likely to be bothered by scented candles.
Signs that a candle is bothering your dog include watery eyes, sneezing, coughing, and in more severe cases, seizures. If you notice any of these signs, put out the candle, open the windows, and take your dog outside.
If your dog eats candle wax, contact an animal poison control hotline or your veterinarian immediately. While dogs can ingest small amounts of wax, larger amounts can cause intestinal blockage and upset stomach. If the wax contains toxic substances, such as scented or essential oils, it can be harmful to your dog.
Yes, there are safer alternatives to traditional candles when you have a dog. Unscented candles made of soy, beeswax, or vegetable wax are less likely to be toxic. Flameless candles, air diffusers, and natural odor neutralizers are also safer options that can create a relaxing atmosphere without the risk of harmful fumes or burns.











































