Cinnamon Allergy or Toxicity Average Cost

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What is Cinnamon Allergy or Toxicity?

Although cinnamon is technically classified as non-toxic to cats, it can become toxic at certain levels-- especially if your cat is exposed to the higher concentrations typically found in essential oils. Cats can be particularly susceptible to toxicity from cinnamon for a couple of reasons. Cats lack some of the liver enzymes that break down cinnamon compounds which can then build up if your pet is exposed to a high concentration in a short period of time, or, if your pet is exposed to a lower concentration over a long period of time. Also, because cats have thin skin, which can easily absorb cinnamon compounds applied in essential oils, this puts them at an increased risk for cinnamon toxicity.

Cinnamon can also act an irritant on the skin or in the oral cavity, causing rash and allergic-type reactions in cats and other animals. Because cats have sensitive skin and a keener senses of smell than humans, they are at an increased risk of reaction from exposure to cinnamon or cinnamon odor. If your cat exhibits symptoms of cinnamon allergic reaction or toxicity after being exposed to cinnamon you should consult with your veterinarian immediately.

Cinnamon, also referred to as cinnamomum, is commonly found in households and human food. There are two types of cinnamon: cassia and ceylon. Cassia cinnamon is commonly used in North America and contains higher levels of a substance called coumarin then ceylon cinnamon. Coumarin in high concentrations is used as a rodenticide (rat poison) and causes liver failure and hemorganing in rodents. In humans, cinnamon is sometimes used as a natural medicine to treat diabetes, as it lowers blood sugar, or as a blood thinner.

Symptoms of Cinnamon Allergy or Toxicity in Cats

A variety of symptoms can result from an allergic or toxic reaction to cinnamon and its organic compounds. Symptoms vary by level and mode of exposure.

Allergic reaction from exposure to the skin or oral cavity:

  • Irritation
  • Rash
  • Redness
  • Burns

Respiratory reaction to inhalation:

  • Coughing
  • Wheezing
  • Bronchospasm or difficulty breathing

Symptoms of cinnamon toxicity from ingestion or absorption of cinnamon compounds:

  • Vomiting
  • Diarrhea
  • Low blood sugar
  • Change in heart rate
  • Thinning of blood
  • Liver disease and other organ failure

Causes of Cinnamon Allergy or Toxicity in Cats

Cinnamon toxicity is unlikely to occur under normal, household use of powdered cinnamon. It would take a large amount of powder, or the inhalation of the powder to cause a reaction. However, as essential oil use is becoming more common in households, there is an increased risk to cats from exposure to cinnamon essential oil, which has a much higher concentration of the compounds that can be harmful to cats.

Cats can accidentally be exposed to toxic amount of cinnamon in the following ways:

  • Chewing on a cinnamon tree kept as an indoor plant
  • Chewing on cinnamon stick left in a cup
  • Eating human food spiced with cinnamon
  • Chewing or licking potpourri or household ornaments made with cinnamon
  • From use of cinnamon oil in a diffuser that your cat then inhales
  • From touching or petting your cat after putting cinnamon oil on your hands

Intentional exposure can occur because:

  • People sometimes use cinnamon to intentionally repel cats or pests in the garden and home and cats can be exposed to an excessive amount through their environment in this way. 
  • Cinnamon is used as a natural remedy for diabetes (as it lowers blood sugar). As a result, well-meaning pet owners may intentionally dose their cat with harmful amounts of cinnamon in an effort to treat feline diabetes.

It is important to understand that:

  • Cats do not have the same liver enzymes (glucuronyl transferase) as humans that break down cinnamon compounds, therefore they are prone to toxic build up of cinnamon compounds in their system. 
  • Because cinnamon contains a carbolic acid known as phenol, burning of the skin and respiratory system can occur. Cats are particularly sensitive to this type of reaction.

Diagnosis of Cinnamon Allergy or Toxicity in Cats

Diagnosis of cinnamon toxicity or allergic reaction will depend heavily on the pet owner’s ability to describe any exposure to cinnamon their pet may have experienced. Your veterinarian will perform a complete physical examination and ask about your cat’s medical history to rule out any other causes for your pet’s symptoms. If symptoms of organ failure are occurring, your veterinarian may perform tests including blood and urinalysis tests to assess organ functioning. 

Treatment of Cinnamon Allergy or Toxicity in Cats

Treatment will depend on the extent of illness and symptoms resulting from your pet’s reaction to cinnamon.

For allergic reactions, the affected area should be washed with water and mild detergent. If irritation of the eyes occurred, the eyes should be well irrigated to remove the irritating substance. Steroids have been found to worsen rash from cinnamon exposure in other animals and will probably be avoided in your pet. 

If toxicity has occurred, prognosis will depend on the amount of damage that has occurred to your pet’s organ systems. Treatment usually consists of supportive care until the toxin passes out of your cat's system and treatment to relieve any symptoms being experienced by your pet. If organ damage has occurred, the prognosis is guarded and your vet will provide any therapeutic care that is available and appropriate to restore organ functioning. Vitamin K is used as an antidote for coumarin poisoning in pets exposed to high doses of this substance which is also found in cinnamon. Vitamin K therapy may be useful if symptoms of coumarin poisoning (hemorrhaging from blood thinning) are occurring. 

If you pet is in respiratory distress due to inhalation or ingestion of cinnamon, airway management and oxygen therapy will be used as appropriate.

Recovery of Cinnamon Allergy or Toxicity in Cats

Your pet’s recovery depends on the extent of exposure and any organ damage that has occurred. Allergic reactions usually clear up in a short period of time and removal of any cinnamon exposure from your cat’s environment should resolve the problem. Home treatment of cats with essential oils should be avoided; consult your veterinarian before attempting any treatments for your pet’s health conditions. Recovery from toxicity will require rest and any medications and diet prescribed by your veterinarian to recover organ function and relieve symptoms.

Cinnamon Allergy or Toxicity Questions and Advice from Veterinary Professionals

3 Years
Fair condition
0 found helpful
Fair condition

Has Symptoms

wanting more affection then normal

hey I was wondering if cinnamon pinecones could make a cat high like it was catnip. We have one of those pinecone bundles that makes the house smell like cinnamon and our cat will just go up and smell it. Doesnt claw and chew on them just smells and afterwards she will get all relaxed and starts wanting you to pet her and cuddle with her nonstop. Just wondering if there is anything bad that could be related to this is all

Dr. Michele King, DVM
Dr. Michele King, DVM
1397 Recommendations
Thank you for contacting us about Petrie. Animals are affected by some scents the same way that humans are. If there are no oils that she is coming into contact with, and she isn't chewing them or eating them, she may just be having a sense of calm from the smell. If she starts vomiting or having diarrhea, or not wanting to eat, or having any respiratory difficulties, she should see her veterinarian.

I have two cats and love them dearly but they have been clawing at my new dining room chairs. I have put double sided sticky tape on the chairs and at first it slowed them down but now they just pull the tape off with their teeth and go to clawing my chairs! Since cats are not supposed to like cinnamon I am wondering if I tap some powder cinnamon onto the tape if this may be enough to deter them? Could the cinnamon be harmful if they get some in their mouth? Hoping this will just avoid the area altogether. Any recommendations to keep them away from the chairs?

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Orange Tuxedo
5 Years
Mild condition
0 found helpful
Mild condition

Has Symptoms

Urinating Outside Litterbox


I used the flea powder someone above listed in our bedroom (mattress and area rug). This powder used a cinnamon oil and clove oil. We vacuumed the mattress and the rug and put fresh sheets on. This morning my cat was attempting to urinate in the room and then on a scratching post downstairs right next to the litter box. Is this a toxicity behavior or something different? He has never had the issue of urinating anywhere else except for the occasional bath tub....

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
2974 Recommendations
Any essential oils should be avoided around pets unless the manufacturer specifies on the product label that it is safe for use around pets, if you have any doubts call the manufacturer to see if they have any details on toxicity in cats or other animals. Behavioural changes may occur due to poisoning with essential oils, but I cannot confirm whether this urination behaviour is the case here. You should visit your Veterinarian if there is no improvement and vacuum the areas repeatedly to be on the safe side as well as changing the bedding again. Regards Dr Callum Turner DVM

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Don’t know
7 Years
Fair condition
0 found helpful
Fair condition

Has Symptoms


Hi I’ve been having a flea problem and didn’t want to use pyrethrins so I used a natural cinnamon oil powder. Vacuumed twice but I still smell it a bit so I know it’s still in the carpets. My cat has been licking at her paws and wanting a little more water than usual. Should I be worried? And how do I get rid of the rest of the cinnamon in the carpet?

Dr. Michele King, DVM
Dr. Michele King, DVM
1397 Recommendations
Cinnamon can be toxic in large quantities to cats, but the amount that Snooki has been exposed to shouldn't be a problem. If she develops vomiting or diarrhea, or stops eating, she should be seen by a veterinarian. To remove the cinnamon from your carpet, repeated vacuuming should help.

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Russian Blue
6 Months
Fair condition
0 found helpful
Fair condition

Hi, my cat got into one Cinnimon Breath Strip and I would like to know if it is ok for him? He hasn't had anything happen to him and he is acting normally. I just would like to know if it is ok for him and yes or no, if he needs to see a doctor. I love him very much and I just need an opinion. He started foaming at the mouth for a second until I got it out of his mouth, then I washed his mouth out with water. Thank you!

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
2974 Recommendations
If Finn didn’t consume the breath strip just had it in his mouth, he should be alright especially if you rinsed his mouth out; however, there are a few different types of cinnamon breath strips which may contain xylitol and other artificial sweeteners or other ingredients which may be harmful to a cat’s health. Keep an eye on Finn, but if you have concerns you should visit your Veterinarian. Regards Dr Callum Turner DVM

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