🥘 Other Foods
Can pets eat Mustard?
Contains mustard seeds which can cause gastroenteritis.
- For dogs
- Unsafe
- For cats
- Unsafe
- Category
- Other Foods
Mustard vs. every tracked food
Dog-side hazard band across PlainPetFood's full food-safety corpus
3 Higher than most lower than 10% of 160 foods
Foods, banded by dog-side hazard level
Each bar is a band; taller bars hold more foods. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source PlainPetFood food-safety corpus · 2026-08-09
Mustard is unsafe and best avoided for both dogs and cats.
Category standing
Unsafe for dogs and cats alike
Both species land on unsafe for Mustard. In other foods, 4 of 11 dog ratings are unsafe or toxic - skip it for either pet.
Call the ASPCA Animal Poison Control Center at 888-426-4435 (24/7, consultation fee may apply) or your nearest emergency vet immediately, before reading the rest of this page. Have the amount eaten and your pet's weight ready.
Key facts about Mustard
According to PlainPetFood's food-safety corpus, Mustard ranks #38 of 160 foods by dog-side hazard band (unsafe) and #15 of 160 by dog-side documentation depth (benefits, risks, symptoms, notes). Other Foods lists 11 foods in our archive; 36.4% of dog-side ratings in that group are unsafe or toxic. Open the species cards below for portions, preparation, and symptom lists tied to this food.
Dog warning signs on record: vomiting, diarrhea. Cat warning signs: vomiting, diarrhea.
For Dogs
UnsafeMustard seed is the toxin; mustard as condiment in tiny amounts less dangerous but not recommended
Full dog guide →For Cats
UnsafeMustard for dogs vs cats, at a glance
| 🐕 Dogs | 🐈 Cats | |
|---|---|---|
| Safety level | Unsafe | Unsafe |
| Portion | None | None |
| Preparation | - | - |
| Key risk to watch | Mustard seeds cause gastroenteritis | Same mustard seed toxicity |
Per-species safety ratings for mustard from PlainPetFood's veterinary-toxicology data. Open the species guides below for full warning signs and emergency steps.
🐕 Mustard for dogs
- ⚠Mustard seeds cause gastroenteritis
- ⚠Diarrhea and vomiting
- ⚠Sometimes used as emetic but only under vet direction
🐈 Mustard for cats
- ⚠Same mustard seed toxicity
- ⚠GI irritant
Frequently asked questions
Can dogs eat mustard?
Mustard is rated unsafe for dogs. Key risk: mustard seeds cause gastroenteritis. Do not feed it, if your pet has eaten any, call the ASPCA Animal Poison Control Center at 888-426-4435 (24/7).
Can cats eat mustard?
Mustard is rated unsafe for cats. Key risk: same mustard seed toxicity. Do not feed it, if your pet has eaten any, call the ASPCA Animal Poison Control Center at 888-426-4435 (24/7).
More other foods safety records
Browse other foods in the same category, each with its own dog and cat safety rating.
See the full other foods safety list for dogs and cats.
Other foods with the same dog and cat safety profile
These foods match mustard's recorded dog and cat safety levels, but come from different food categories.
Read our methodology - how this data is sourced, computed, and verified.
Source: ASPCA Animal Poison Control Center + FDA + AAFCO Pet food safety classification (toxicity + FDA enforcement) · August 2026 Safety data combines ASPCA toxicity classifications, FDA pet food enforcement reports, and AAFCO ingredient compliance status.
PlainPetFood publishes an editorial food-safety compilation. When the FDA or ASPCA Animal Poison Control Center names a food as dangerous, that food's page links the source; other ratings are identified as editorial guidance. Its dog and cat ratings, portions, preparation notes and warning signs are rendered from the food-safety archive; a named FDA or ASPCA source is linked above when that authority names this food. See our editorial standards & corrections policy, report a correction, the methodology behind these numbers, or contact the editorial team. Data current as of August 29, 2026.