Shallot
ToxicA shallot is not a milder onion, it is the same species (Allium cepa). Merck's onion figures apply directly: clinical signs at 15-30 g/kg of raw onion, with hemolytic anemia three to five days out.
This food guide has not been reviewed by a veterinarian. It summarises general information from sources and should not be used to decide whether a food is suitable for an individual dog or to assess an emergency.
Check before feeding
Do not offer as a treat
There is no recommended treat portion for this hazardous item. If swallowed, contact a vet with the amount, time and product details. Do not induce vomiting yourself.
Signs and health concerns
This list includes both observable signs and conditions identified through examination or testing. It cannot establish the cause or whether an exposure is safe.
- Vomiting
- Diarrhoea
- Loss of appetite
- Lethargy
- Pale gums or mucous membranes
- Weakness
- Fast heartbeat
- Haemoglobin in urine
- Jaundice
More about this food
A shallot is botanically Allium cepa var. aggregatum, the same species ASPCA lists as toxic to dogs under onion. ASPCA gives the toxic principle as N-propyl disulfide and the clinical signs as vomiting, breakdown of red blood cells with hemolytic and Heinz body anemia, blood in the urine, weakness, high heart rate and panting.
That identity matters practically. For chives and scallions you have to reason by genus because no species-specific dose exists. For shallots you can apply Merck's onion number straight across: clinical signs in dogs after 15-30 g/kg of raw onion. A shallot bulb runs roughly 30-50 g, so two or three bulbs put an 11 lb (5 kg) dog inside that range. Milder flavor is a culinary fact, not a toxicological one.
Shallots reach dogs differently than onions do. They are usually minced to invisibility inside something rich: pan sauces and beurre blanc, vinaigrettes, French onion and bisque-style soups, coq au vin, Thanksgiving green bean casserole and roasted vegetables, and crispy fried shallots sprinkled on top. The hazard is that an owner can be certain no onion was involved while shallot is already in the dish, and the butter, garlic and salt riding along make the same bite worse.
The mechanism and timeline are the standard Allium ones. Sulfur oxidants damage hemoglobin, Heinz bodies form, and the spleen clears the damaged cells, producing hemolytic anemia and methemoglobinemia. Vomiting, diarrhea and lethargy can start within hours, but Merck states hemolysis typically occurs three to five days after exposure. Pale gums, panting, weakness, brown or red urine and yellow eyes are late signs.
Note the amount, the form and the time, then call your veterinarian or the ASPCA Animal Poison Control Center at (888) 426-4435. Do not induce vomiting at home. A CBC at 24 and 72 hours to follow Heinz bodies and packed cell volume is the standard follow-up, even if your dog looks fine.
Frequently asked questions
- Are shallots gentler than onions for dogs?
- No. A shallot is the same species as an onion, Allium cepa, so treat it with the same numbers. Mild flavor does not change the sulfur compounds that damage red blood cells.
- My dog licked a pan sauce made with shallots. What should I do?
- Call your veterinarian or the APCC at (888) 426-4435 with your dog's weight and an estimate of how much was licked. Minced shallot packs a lot of Allium into a small volume, and pan sauces usually add garlic, butter and salt.
- How many shallots are dangerous?
- Merck reports clinical signs in dogs at 15-30 g/kg of raw onion, and a shallot bulb is about 30-50 g. That puts an 11 lb dog in range at two or three bulbs, and there is no dose established as safe.