Toxicity Checker/Nuts & Seeds

Pet Toxicity Directory

Nuts & Seeds Toxicity Guide for Dogs and Cats

Compare safe treats with toxic or high-fat nut and seed risks. Browse 35 items with safety status, symptoms to watch for, and emergency guidance.

35 total items13 toxic or dangerous

How to Use This Nuts & Seeds Safety List

Step 1

Start with risk level

Danger and toxic entries need the fastest attention, especially when the amount is unknown.

Step 2

Open the item page

Each detail page gives dog and cat answers, symptoms, action steps, sources, and related checks.

Step 3

Escalate symptoms

If vomiting, tremors, weakness, breathing trouble, or collapse appears, contact a veterinary professional.

Common Nuts & Seeds Toxicity Questions

Which nuts & seeds are most dangerous for dogs and cats?

Start with Acorns, Bitter Almonds, Black Walnuts, Candlenuts, Chinaberry Seeds. This category currently includes 13 toxic or dangerous entries, so open the item page for symptoms and next steps.

What symptoms can nuts & seeds poisoning cause?

Watch for vomiting, diarrhea, drooling, coughing, tremors, weakness, collapse, seizures, pale gums, trouble breathing, or unusual behavior after exposure.

When should I call a veterinarian or poison-control hotline?

Call right away if the item is marked toxic or danger, the amount is unknown, your pet is small, symptoms appear, or the exposure involves medication, concentrated chemicals, or a known emergency toxin.

Are nuts and seeds safe treats for pets?

Some seeds can be safe in small amounts, but high-fat nuts, salted mixes, shells, moldy nuts, and macadamia nuts can be risky. Check the specific item before feeding it.

Acorns

Danger

Contain gallotannins causing severe GI upset, kidney damage, and liver failure. Oak leaves also toxic.

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Bitter Almonds

Danger

Contain cyanogenic glycosides. Unlike sweet almonds, bitter almonds are toxic raw. Can release cyanide.

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Black Walnuts

Danger

Contain juglone and tremorgenic mycotoxins from mold. Cause severe neurological symptoms including seizures.

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Candlenuts

Danger

Contain saponins and phorbol esters. Very toxic. Cause severe GI distress and possible organ damage.

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Chinaberry Seeds

Danger

Contain meliatoxins. Seeds are the most toxic part. Resemble edible berries - dangerous.

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Ginkgo Nuts

Danger

Contain ginkgotoxin (MPN) which causes seizures. Seeds more toxic than leaves. Also contains urushiol.

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Beechnuts

Toxic

Contain saponins and fagin (trimethylamine). Large amounts cause neurological symptoms and GI issues.

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Brazil Nuts

Toxic

High selenium which can be toxic in large amounts.

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Hickory Nuts

Toxic

Contain juglone and tremorgenic mycotoxins. Also large size poses choking/obstruction hazard.

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Macadamia Nuts

Toxic

Macadamia nuts are toxic to dogs. The exact mechanism is unknown, but they cause neurological and muscular issues.

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Pecans

Toxic

Contain juglone and can grow mold producing mycotoxins.

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Poppy Seeds

Toxic

Poppy seeds contain opiates that can cause nervous system depression.

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Walnuts

Toxic

Walnuts, especially moldy ones, can contain tremorgenic mycotoxins that cause seizures.

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Almonds

Caution

Almonds are not toxic but can pose choking hazards and cause digestive issues.

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Anise Seeds

Caution

Small amounts generally safe. Can cause excitement/hyperactivity similar to catnip in some dogs. Large amounts cause GI upset.

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Cashews

Caution

Safer than many nuts but high fat. Unsalted only.

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Celery Seeds

Caution

Small amounts in seasoning safe. Large amounts can be diuretic and cause photosensitivity.

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Chestnuts (Roasted)

Caution

Not toxic but high carbs. Can cause digestive upset.

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Hazelnuts

Caution

Not toxic but high fat and choking hazard.

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Mustard Seeds

Caution

Small culinary amounts generally safe. Large amounts or concentrated mustard can cause GI irritation.

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Pili Nuts

Caution

Generally safe like almonds. Very high in fat - can cause pancreatitis.

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Pine Nuts

Caution

Pine nuts are not toxic but high in fat. Can cause digestive upset.

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Pistachios

Caution

Not toxic but high fat. Shells choking hazard.

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Tiger Nuts

Caution

Actually a tuber, not a true nut. Very high in fiber. Safe but can cause digestive upset if too many.

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Amaranth

Safe

Safe gluten-free pseudograin. Complete protein. Rich in minerals.

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Caraway (as seed)

Safe

Safe in small amounts. Can help with digestion and gas. Mild flavor.

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Chia Seeds

Safe

Nutrient-dense. Pre-soak before feeding.

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Coriander Seeds

Safe

Safe in small culinary amounts. Ground seed is safer than whole seeds which are choking hazard.

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Flax Seeds (Ground)

Safe

Ground only. Whole pass through undigested.

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Flaxseed/Linseed

Safe

Ground flaxseed safe and beneficial. Rich in omega-3 and fiber. Must be ground - whole seeds pass undigested.

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Hemp Seeds

Safe

Hemp seeds are safe and highly nutritious. Rich in omega fatty acids.

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Lotus Seeds

Safe

Safe and nutritious. Low in calories and fat. Good source of protein and minerals. Popular in Asian cuisine.

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Pumpkin Seeds

Safe

Safe and nutritious. Natural dewormer.

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Sesame Seeds

Safe

Sesame seeds are generally safe for dogs and cats in very small amounts, but they are high in fat and can upset the stomach if overfed.

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Sunflower Seeds

Safe

Shelled unsalted are safe in moderation.

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