CautionGrains & Nuts
Updated:2026-09-28 · Food code:FOOD-GRN-0004
花生 配图

PeanutArachis hypogaea

Peanut

Arachis hypogaea
Also known as:peanuts, peanut butter
CatCaution

Cats tolerate fatty foods poorly, peanuts offer no required nutrition, and the choking and mould risks apply just as much.

DogCaution

Peanuts are about 49% fat, which can cause stomach upset and may trigger pancreatitis; mouldy peanuts can carry aflatoxins (liver toxic); whole peanuts are a choking hazard for small dogs.

What to do after ingestion

Feeding risk and emergency notice · Contact a veterinarian or an emergency animal hospital immediately; do not rely on this site alone
Symptoms

Vomiting, diarrhoea, reduced appetite, lethargy.

What to do

Stop feeding and monitor; seek veterinary care if signs persist.

Why it is risky

Cats tolerate fatty foods poorly, peanuts offer no required nutrition, and the choking and mould risks apply just as much.

What to do after ingestion

Feeding risk and emergency notice · Contact a veterinarian or an emergency animal hospital immediately; do not rely on this site alone
Symptoms

Vomiting, diarrhoea, abdominal pain, reduced appetite; unsteady walking or incoordination should raise suspicion of xylitol (some sugar-free peanut butters contain it, which is an emergency).

What to do

A small amount of plain unsalted peanut only needs observation; seek care for persistent vomiting or abdominal pain; go to an emergency clinic immediately if xylitol-containing peanut butter was eaten.

Toxic compound

Aflatoxins (in mouldy peanuts)

Why it is risky

Peanuts are about 49% fat, which can cause stomach upset and may trigger pancreatitis; mouldy peanuts can carry aflatoxins (liver toxic); whole peanuts are a choking hazard for small dogs.

Nutrition

Per 100 g, edible portion
Energy · kcal/100g
567
Protein
25.8 g
Fat
49.24 g
Carbohydrates
16.13 g
Dietary fiber
8.5 g
Water
6.5 g

Data source:USDA FoodData Central · SR Legacy · Accessed on:2026-09-28

Cat · Safe feeding conditions

Caution

No additional condition notes for this food

Clinical and veterinary sources

1
Merck Veterinary Manual
Toxicology — Food Hazards (Merck Veterinary Manual)
Accessed:2024-09-15View source ↗
Why it is risky

Cats tolerate fatty foods poorly, peanuts offer no required nutrition, and the choking and mould risks apply just as much.

Symptoms

Vomiting, diarrhoea, reduced appetite, lethargy.

What to do

Stop feeding and monitor; seek veterinary care if signs persist.

Notes

Peanut butter often contains salt, sugar or xylitol - do not feed it to cats.

Dog · Safe feeding conditions

Caution

No additional condition notes for this food

Clinical and veterinary sources

1
Merck Veterinary Manual
Toxicology — Food Hazards (Merck Veterinary Manual)
Accessed:2024-09-15View source ↗
2
WSAVA (World Small Animal Veterinary Association)
Global Nutrition Guidelines
Accessed:2024-10-20View source ↗
Why it is risky

Peanuts are about 49% fat, which can cause stomach upset and may trigger pancreatitis; mouldy peanuts can carry aflatoxins (liver toxic); whole peanuts are a choking hazard for small dogs.

Toxic compound

Aflatoxins (in mouldy peanuts)

Symptoms

Vomiting, diarrhoea, abdominal pain, reduced appetite; unsteady walking or incoordination should raise suspicion of xylitol (some sugar-free peanut butters contain it, which is an emergency).

What to do

A small amount of plain unsalted peanut only needs observation; seek care for persistent vomiting or abdominal pain; go to an emergency clinic immediately if xylitol-containing peanut butter was eaten.

Notes

Choose plain peanut butter that is unsalted, unsweetened and **xylitol-free**, and keep to a teaspoon (a quarter teaspoon for a small dog); do not feed salted or sugar-coated peanuts.

Disclaimer and individual health notes

This website is for reference only and does not replace a licensed veterinarian. If your pet has eaten a suspected toxin or shows symptoms, contact a veterinarian or an emergency animal hospital immediately.