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Pet Vomiting: Causes, Foods That Trigger It & When to Call the Vet
Vomiting is the body's way of expelling something it can't handle. One-off vomiting after a known food trigger is usually fine; repeated vomiting needs vet attention.
Severity: moderate
If your pet vomits more than 2–3 times in 12 hours, vomits blood, can't keep water down for 12+ hours, or shows other symptoms like lethargy, pale gums, or distended belly, contact your vet immediately.
Understanding vomiting
Vomiting in dogs and cats is one of the most common reasons for an urgent vet visit. The cause matters as much as the symptom — bringing up food shortly after eating is different from green or bloody vomit, which signals more serious problems.
Home care
Withhold food for 8–12 hours, then offer small amounts of water. Once water stays down, offer a bland diet (boiled chicken + rice for dogs; plain canned chicken for cats). Reintroduce normal food gradually over 2–3 days.
Emergency contacts
ASPCA Animal Poison Control: 888-426-4435
Pet Poison Helpline: 855-764-7661
Both are 24/7 — small consultation fee may apply.
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Foods that can cause vomiting in dogs
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Grapes
Toxic
🧅
Onions
Toxic
🥔
Potatoes
Use caution
🌽
Corn
Use caution
🍄
Mushrooms
Use caution
🐟
Fish (general)
Use caution
🍣
Raw Fish
Toxic
🦴
Bones (cooked)
Toxic
🥛
Milk
Use caution
🧀
Cheese
Use caution
🥜
Almonds
Use caution
🥜
Macadamia Nuts
Toxic
🧂
Salt
Use caution
🍫
Chocolate
Toxic
🍬
Xylitol
Toxic
🍷
Alcohol
Toxic
🥓
Bacon
Toxic
🍞
Raw Bread Dough
Toxic
🍋
Lemon
Use caution
🍅
Pomegranate
Use caution
🐟
Salmon
Use caution
🍺
Beer
Toxic
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Tomatoes (green/unripe)
Toxic
🌽
Corn on the cob
Toxic
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Hot Peppers / Chili
Use caution
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Figs
Use caution
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Mustard
Use caution
🦴
Cooked Chicken Bones
Toxic
🐟
Raw Salmon
Toxic
🥓
Bacon
Use caution