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.
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
DangerContain gallotannins causing severe GI upset, kidney damage, and liver failure. Oak leaves also toxic.
View detailsBitter Almonds
DangerContain cyanogenic glycosides. Unlike sweet almonds, bitter almonds are toxic raw. Can release cyanide.
View detailsBlack Walnuts
DangerContain juglone and tremorgenic mycotoxins from mold. Cause severe neurological symptoms including seizures.
View detailsCandlenuts
DangerContain saponins and phorbol esters. Very toxic. Cause severe GI distress and possible organ damage.
View detailsChinaberry Seeds
DangerContain meliatoxins. Seeds are the most toxic part. Resemble edible berries - dangerous.
View detailsGinkgo Nuts
DangerContain ginkgotoxin (MPN) which causes seizures. Seeds more toxic than leaves. Also contains urushiol.
View detailsBeechnuts
ToxicContain saponins and fagin (trimethylamine). Large amounts cause neurological symptoms and GI issues.
View detailsBrazil Nuts
ToxicHigh selenium which can be toxic in large amounts.
View detailsHickory Nuts
ToxicContain juglone and tremorgenic mycotoxins. Also large size poses choking/obstruction hazard.
View detailsMacadamia Nuts
ToxicMacadamia nuts are toxic to dogs. The exact mechanism is unknown, but they cause neurological and muscular issues.
View detailsPecans
ToxicContain juglone and can grow mold producing mycotoxins.
View detailsPoppy Seeds
ToxicPoppy seeds contain opiates that can cause nervous system depression.
View detailsWalnuts
ToxicWalnuts, especially moldy ones, can contain tremorgenic mycotoxins that cause seizures.
View detailsAlmonds
CautionAlmonds are not toxic but can pose choking hazards and cause digestive issues.
View detailsAnise Seeds
CautionSmall amounts generally safe. Can cause excitement/hyperactivity similar to catnip in some dogs. Large amounts cause GI upset.
View detailsCashews
CautionSafer than many nuts but high fat. Unsalted only.
View detailsCelery Seeds
CautionSmall amounts in seasoning safe. Large amounts can be diuretic and cause photosensitivity.
View detailsChestnuts (Roasted)
CautionNot toxic but high carbs. Can cause digestive upset.
View detailsHazelnuts
CautionNot toxic but high fat and choking hazard.
View detailsMustard Seeds
CautionSmall culinary amounts generally safe. Large amounts or concentrated mustard can cause GI irritation.
View detailsPili Nuts
CautionGenerally safe like almonds. Very high in fat - can cause pancreatitis.
View detailsPine Nuts
CautionPine nuts are not toxic but high in fat. Can cause digestive upset.
View detailsPistachios
CautionNot toxic but high fat. Shells choking hazard.
View detailsTiger Nuts
CautionActually a tuber, not a true nut. Very high in fiber. Safe but can cause digestive upset if too many.
View detailsAmaranth
SafeSafe gluten-free pseudograin. Complete protein. Rich in minerals.
View detailsCaraway (as seed)
SafeSafe in small amounts. Can help with digestion and gas. Mild flavor.
View detailsChia Seeds
SafeNutrient-dense. Pre-soak before feeding.
View detailsCoriander Seeds
SafeSafe in small culinary amounts. Ground seed is safer than whole seeds which are choking hazard.
View detailsFlax Seeds (Ground)
SafeGround only. Whole pass through undigested.
View detailsFlaxseed/Linseed
SafeGround flaxseed safe and beneficial. Rich in omega-3 and fiber. Must be ground - whole seeds pass undigested.
View detailsHemp Seeds
SafeHemp seeds are safe and highly nutritious. Rich in omega fatty acids.
View detailsLotus Seeds
SafeSafe and nutritious. Low in calories and fat. Good source of protein and minerals. Popular in Asian cuisine.
View detailsPumpkin Seeds
SafeSafe and nutritious. Natural dewormer.
View detailsSesame Seeds
SafeSesame 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.
View detailsSunflower Seeds
SafeShelled unsalted are safe in moderation.
View details