Never Give Your Dog These 13 Spices & Seasonings– They’re Toxic!

Dog Food

When you’re deciding whether or not it is safe to feed something to your dog, it’s important to look out for “hidden ingredients.” Spices and seasonings aren’t immediately apparent to the naked eye, so it’s important never to share food with your dog unless you know how it has been seasoned. 

A large portion of popular spices and seasoning blends are potentially toxic or harmful to dogs, and if you don’t already know what foods your pup can’t eat, it can be easy to accidentally feed them something you shouldn’t. Luckily, there are several safe seasonings for your dog, and many of the toxic varieties are fairly safe in small quantities. 

13 Spices That Are Toxic To Dogs

These are the no-no spices, the ones you should never let your pet eat. If your dog has eaten one of these, particularly a large amount, reach out to your vet and tell them how much your dog has eaten and when; they’ll be able to give you further instructions. 

Spice

How Much is Toxic?

Symptoms of Toxicity

Toxic Compound(s)

Allspice 

Whole berries or large amounts of powdered allspice. 

Unlikely to cause toxicity when mixed into baked goods, but still not recommended.

– Vomiting

– Loss of motor function

Eugenol

Bay Leaf

Whole bay leaves or large amounts of powdered bay leaf. 

Unlikely to be toxic when used in cooked dishes, but still not recommended.  

– Vomiting

– Loss of motor function

Eugenol

Chives

0.5% or more of a dog’s body weight. For example, if your dog is 10lbs, toxicosis would become a concern if they consumed more than an ounce of chives. 

– Elevated heart rate

– Anemia

– Lethargy

– Respiratory distress

Disulfides, Thiosulphates 

Cloves

Whole cloves, or large amounts of powdered cloves. 

Unlikely to cause toxicity when mixed into baked goods, but still not recommended. 

– Vomiting

– Loss of motor function

Eugenol

Cocoa Powder

0.5 grams (or around 2 tsp) of cocoa powder for every pound of body weight. So if your dog is 10 pounds, toxicity becomes a risk after eating a little more than ⅓ c. cocoa powder.

– Vomiting

– Diarrhea

– Extreme thirst

– Extreme urination

– Respiratory distress

– Elevated heart rate

– Agitation

Theobromine

Garlic Powder & Garlic Salt

15 grams of garlic per kilogram of body weight. So if your dog is 10 lbs (or 4.5 kg), toxicity becomes a risk after eating around 4 cups of garlic. 

Unlikely to cause harm when added to cooked dishes, but still not recommended.

– Elevated heart rate

– Anemia

– Lethargy

– Respiratory distress

Disulfides, Thiosulphates

Mace

2.5 – 4 grams.

Unlikely to cause harm when mixed into baked goods, but still not recommended.

– Vomiting

– Loss of motor function

– Disorientation

– Hallucinations

– Gastrointestinal distress

Eugenol, Myristicin

Marjoram

Large amounts of fresh or dry marjoram. 

While this herb is unlikely to cause toxicity when used sparingly, it’s best to avoid it. 

– Drooling

– Lethargy

– Vomiting

– Diarrhea

– Hypothermia

Linalool, Tannic Acid

Mustard Seed & Mustard Powder

Large amounts of whole or ground mustard seed. 

Unlikely to cause harm when mixed into cooked foods or eaten in very small amounts. 

– Vomiting

– Diarrhea

– Bloating/gas

Isothiocyanate

Nutmeg

1 tsp. ground nutmeg, or 3 whole nutmegs. 

– Disorientation

– Hallucinations

– Gastrointestinal distress

Myristicin

Onion Powder

1 tbsp. per 20 lbs. of weight. So if your dog is 10 lbs, toxicity becomes a risk after 1.5 tsp.

Unlikely to cause harm when added to cooked dishes, but still not suggested. 

– Elevated heart rate

– Anemia

– Lethargy

– Respiratory distress

Disulfides, Thiosulfates

Pumpkin Pie Spice

Store-bought pumpkin pie spice contains nutmeg and mace, both of which are toxic to dogs.

As little as 1 tsp. may be toxic. 

– Disorientation

– Hallucinations

– Gastrointestinal distress

Myristicin

Curry Powder

Curry powder is a blend of spices including mustard seed, cayenne, chili powder, and other spices that may be toxic or harmful to dogs.

A small amount is unlikely to cause serious harm, but it can cause serious stomach issues and even toxicosis.

– Vomiting

– Diarrhea

– Bloating/gas

– Gastrointestinal distress

Isothiocyanate, Capsaicin

Spices That Can Cause Irritation

These spices probably won’t send your dog to the vet, but they can cause serious stomach problems, abdominal pain, vomiting, and diarrhea. Keep your pooch away from these to spare both of you from the mess. 

Spice

How Much is Harmful?

Symptoms of Irritation

Harmful Compounds

Cayenne

Any amount of cayenne can cause oral and gastrointestinal irritation. Cayenne is high in capsaicin and not good to give your dog in any amount. 

Unlikely to cause physical harm in small amounts.

– Vomiting

– Diarrhea

– Gastrointestinal distress

Capsaicin

Chili Powder/Flakes

See Cayenne.

– Vomiting

– Diarrhea

– Gastrointestinal distress

Capsaicin

Paprika

See Cayenne.

– Vomiting

– Diarrhea

– Gastrointestinal distress

Capsaicin

Tarragon

Moderate amounts of fresh or dry tarragon.

Unlikely to cause physical harm in small amounts.

– Vomiting

– Nausea

– Agitation

– Convulsions/seizures

– Elevated heart rate

Estragole

Dog-Safe Spices in Moderation

These spices are dog-safe, as long as you feed them to your pooch in moderation! Some even have some health and enrichment benefits, so you can feel good about sharing them with your pup. 

Spice

How Much is Safe?

Why Use Sparingly?

Cinnamon

1 tsp or less on occasion.

Cinnamon in large amounts can cause liver distress, low blood sugar, and gastrointestinal pain.

Parsley (leaves only)

1 tsp for every 20 lbs. So if your dog is 10 lbs, their serving of parsley should be ½ tsp or less.

Parsley contains furanocoumarin, which can be toxic in very large amounts. 

Black Pepper

Very small amounts in food cooked.

Pepper is not toxic but offers dogs no benefits and can cause stomach issues. 

Salt

Very small amounts in cooked food.

Dogs need salt for cellular function, but their regular diet should already give them enough sodium. 

Turmeric

⅛ – ¼ tsp for every 10 lbs. So if your dog is 20 lbs, they could have between ¼ and ½ tsp turmeric. 

Tumeric in large amounts can cause vomiting, diarrhea, and nausea. 

Toxic Compounds Found in Spices

Interested in learning more about the compounds found in spices that can make them toxic to dogs? Here’s a quick overview of all the compounds covered in this blog. 

Capsaicin

Capsaicin is the active ingredient in chili peppers that makes them spicy and gives you that burning sensation. Difficult for dogs to digest, and highly inflammatory, capsaicin can cause serious vomiting, diarrhea, and gastrointestinal distress. Present in large amounts in peppers, capsaicin can also be found in small quantities in spices like cinnamon, which are safe for dogs in moderation. 

Disulfides

Found in the allium family, disulfides break down red blood cells, which can cause life-threatening anemia.

Estragole

Used in very small, carefully measured amounts to flavor pet food, estragole becomes unsafe once it has been consumed in large quantities, and can cause vomiting, diarrhea, and gastrointestinal distress.

Eugenol

Eugenol is a fragrant liquid extracted from essential oils. In a study published in 1950, researchers observed that eugenol could cause severe vomiting, loss of motor function in the limbs, and death at high doses. 

Furanocoumarin

Furanocoumarin compounds are used by many plants to repel insects and pests and are toxic to dogs and in some cases, humans. Known to cause cellular damage and inflammation, furanocoumarin poisoning in dogs can cause blindness and serious skin and eye lesions.

Isothiocyanate

Isothiocyanates are another system of defense for many plants that can cause gastrointestinal irritation and can potentially induce toxicosis in dogs. 

Linalool

Linalool is a natural essential oil found in fragrant, citrusy plants that acts as an insecticide. Linalool can be used in small amounts as a topical treatment for dogs, but large amounts can be extremely irritating. When ingested, linalool may cause liver damage, and in the worst cases, liver failure. 

Myristicin

Myristicin is also a natural insecticide that can cause disorientation, hallucinations, gastrointestinal distress, and even seizures when eaten in large quantities by dogs. 

Tannic Acid

Tannic acid is an astringent anti-fungal and antibacterial compound. Large amounts of tannic acid can cause vomiting, diarrhea, and renal failure

Theobromine

Theobromine is a bitter alkaloid known to be extremely toxic to dogs. Theobromine poisoning symptoms can range from over-excitement and vomiting to serious seizures, heart issues, and death. 

Thiosulfates

Used by plants to assist in the nutrient absorption process, thiosulfates can cause anemia in dogs. 

Learn more about capsaicin and the foods you should watch out for in our guide to dogs eating peppers!

Rocky Kanaka

Rocky Kanaka is an entrepreneur, pet rescue advocate and dog dad to a rescue boxer named Flip, a blind Cane Corso called Kobe, and a terrier mix named Zoey. He’s also a pet chef and owner of The Dog Bakery, which specializes in dog birthday cakes and fresh baked dog treats. His three dogs can’t get enough of the dog cakes and treats!

Lorna Ladd

Lorna Paxton Ladd is a passionate dog lover and enthusiast of The Dog Bakery. She loves spoiling her 3 rescue dogs with dog cakes and jerky. A 15 year veteran in the pet industry, her aim is to educate pet parents on the best recipes, products, tips and tricks to optimize the human/canine bond. Her favorite product at The Dog Bakery are the customizable dog birthday cakes.

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