EmergencyChocolate
Theobromine is toxic. Dark and baking chocolate are worst; milk less so; white has little theobromine but still lots of fat/sugar.
Possible symptoms: Vomiting, diarrhoea, hyperactivity, tremors, rapid heart rate, seizures.
Contact a vet or emergency care NOW. Note amount, type and pet weight.
EmergencyDark / pure chocolate / cocoa powder
Highest theobromine. Even small amounts can be serious in small dogs.
Possible symptoms: Vomiting, diarrhoea, hyperactivity, tremors, seizures.
Emergency care. Estimate theobromine if you can.
EmergencyGrapes / raisins
Can cause acute kidney failure in dogs even in small amounts.
Possible symptoms: Vomiting, lethargy, diarrhoea, reduced urine, abdominal pain.
Emergency vet immediately. Do not wait for symptoms.
EmergencyXylitol (gum, sugar-free sweets)
Triggers insulin release → severe hypoglycaemia and possible liver failure in dogs.
Possible symptoms: Vomiting, weakness, tremors, seizures, collapse.
Emergency NOW. Bring the packaging if possible.
EmergencyAlcohol
CNS depressant. Small amounts can be serious, especially in small animals.
Possible symptoms: Incoordination, vomiting, respiratory depression, coma.
Contact emergency veterinary care immediately.
EmergencyAntifreeze (ethylene glycol)
Extremely toxic and sweet-tasting. Causes irreversible kidney failure if not treated fast.
Possible symptoms: Drunken behaviour, vomiting, increased thirst and urine, then no urine.
Emergency IMMEDIATELY. Minutes matter.
EmergencyRat poison / rodenticides
Anticoagulants and other rodenticides can be lethal. Treatment depends on the product.
Possible symptoms: Bleeding, weakness, breathing difficulty, seizures (depending on type).
Emergency NOW. Bring the product packaging if possible.
EmergencyHuman medicines (ibuprofen, paracetamol…)
Many human painkillers and drugs are highly toxic to pets. Never self-medicate.
Possible symptoms: Vomiting, diarrhoea, bleeding, jaundice, seizures, kidney/liver failure.
Call emergency care or a veterinary poison centre immediately.
EmergencyMacadamia nuts
Toxic to dogs. Can cause weakness, tremors and hyperthermia.
Possible symptoms: Weakness in hind legs, tremors, vomiting, fever.
Call the vet. Note amount and time.
EmergencyLilies (flowers)
Extremely toxic to cats. Even pollen or vase water can cause acute kidney failure.
Possible symptoms: Vomiting, lethargy, loss of appetite, no urine.
Emergency vet immediately. Any exposure is serious.
EmergencyChewing gum (xylitol risk)
Many sugar-free gums contain xylitol — treat as xylitol exposure.
Possible symptoms: Vomiting, weakness, tremors, seizures.
Emergency if xylitol is listed. Bring the pack.
EmergencyChocolate (ferrets)
Ferrets are also sensitive to theobromine.
Possible symptoms: Vomiting, tremors, seizures.
Emergency — same idea as dogs.
ToxicOnion / garlic / leek
Damage red blood cells. Raw, cooked or powdered. Dose depends on size.
Possible symptoms: Weakness, dark urine, pale gums, vomiting, diarrhoea.
Call the vet. Do not ignore a meaningful amount.
ToxicCoffee / caffeine
Stimulant; can cause hyperactivity, tremors and heart issues.
Possible symptoms: Restlessness, vomiting, rapid heart rate, tremors, seizures.
Call the vet; serious if concentrated (espresso, grounds).
ToxicRaw yeast dough
Expands in the stomach and produces alcohol.
Possible symptoms: Bloat, vomiting, incoordination, weakness.
Urgent vet if dough was eaten. Do not wait.
ToxicSalt / saline intoxication
Excess sodium can cause severe neurological signs.
Possible symptoms: Extreme thirst, vomiting, diarrhoea, tremors, seizures.
Vet urgently if large amount or concentrated sources.
ToxicToxic plants (general)
Many house and garden plants are toxic (sago, oleander, etc.).
Possible symptoms: Vomiting, diarrhoea, drooling, difficulty swallowing; severe cases arrhythmias.
Identify the plant if possible and call the vet.
ToxicWild mushrooms
Some species are highly toxic; hard to identify.
Possible symptoms: Vomiting, diarrhoea, lethargy, jaundice, seizures (species-dependent).
Treat as emergency if wild mushrooms were eaten.
ToxicNutmeg
In larger amounts can cause neurological symptoms.
Possible symptoms: Disorientation, vomiting, rapid heart rate, tremors.
Call the vet if a significant amount was eaten.
ToxicCinnamon oil / essential oils
Essential oils can be toxic, especially to cats.
Possible symptoms: Drooling, vomiting, tremors, breathing difficulty, liver damage.
Do not induce anything at home — call the vet.
ToxicDetergents / cleaning products
Irritant to corrosive depending on product.
Possible symptoms: Drooling, vomiting, burns, breathing difficulty.
Call emergency care; bring the label.
ToxicCoffee capsules / grounds
Concentrated caffeine source.
Possible symptoms: Restlessness, vomiting, tremors, seizures.
Call the vet promptly.
ToxicAvocado (rabbits)
Persin can be dangerous for rabbits.
Possible symptoms: Digestive / systemic signs.
Do not feed avocado to rabbits.
ToxicOnion family (rabbits)
Allium plants are unsafe for rabbits.
Possible symptoms: Weakness, digestive signs.
Never feed onion/garlic/leek to rabbits.
CautionAvocado
Persin can affect some species; the pit is a choking/obstruction risk.
Possible symptoms: Vomiting, diarrhoea; obstruction signs if pit swallowed.
Vet if pit swallowed or large amount eaten.
CautionCooked bones
Splinter and can perforate or obstruct.
Possible symptoms: Choking, vomiting, constipation, abdominal pain.
Vet if distress or after chewing cooked bones.
CautionCow's milk
Many adult pets are lactose intolerant.
Possible symptoms: Diarrhoea, gas, mild vomiting.
Usually not an emergency; stop milk and monitor.
CautionApple seeds
Contain cyanogenic compounds in quantity; flesh is fine.
Possible symptoms: Usually none in small amounts; large amounts theoretical risk.
Flesh OK; avoid large amounts of seeds.
CautionWhite chocolate
Very little theobromine; high fat/sugar.
Possible symptoms: Mostly digestive upset from fat/sugar.
Lower theobromine risk; still avoid large amounts.
CautionOlives
Often high salt; pits are a choking risk.
Possible symptoms: Thirst, digestive upset if very salty.
Avoid pits; plain olive in tiny amounts usually low risk.
CautionAlmonds
Hard to digest; choking/obstruction risk; salted worse.
Possible symptoms: Digestive upset, possible obstruction.
Avoid as treats; call vet if many eaten.
CautionPeanuts
High fat; salted/onion-flavoured dangerous.
Possible symptoms: Digestive upset; pancreatitis risk if lots of fat.
Plain unsalted in tiny amounts only; avoid flavoured.
CautionCheese
Lactose and fat; some cheeses very salty.
Possible symptoms: Gas, diarrhoea; pancreatitis risk if rich.
Small plain amounts only for tolerant pets.
CautionRaw egg
Salmonella risk; avidin can affect biotin if chronic.
Possible symptoms: Usually none acute; food safety concern.
Prefer cooked egg; not an acute toxin.
CautionRaw fish
Parasites / thiaminase in some species if frequent.
Possible symptoms: Usually none acute.
Occasional not ideal long-term; cook when possible.
CautionRaw pork
Parasite risk (e.g. trichinella) region-dependent.
Possible symptoms: Usually none acute from one exposure.
Prefer fully cooked pork.
CautionGreen tomato / plant
Solanine in green parts.
Possible symptoms: Digestive upset, lethargy in larger amounts.
Ripe red tomato flesh usually OK in small amounts.
CautionRaw / green potato
Solanine in green or sprouting potatoes.
Possible symptoms: Digestive upset, weakness.
Avoid green/sprouting; cooked plain potato OK.
CautionCinnamon (spice)
Culinary amounts usually low risk; oils are different.
Possible symptoms: Irritation if large amounts.
Pinch in food usually fine; no essential oil.
CautionFigs
Can cause digestive upset in some pets.
Possible symptoms: Mild vomiting or diarrhoea.
Usually not emergency.
CautionCherries
Pits: choking and cyanogenic risk; flesh limited.
Possible symptoms: Risk mainly from pits.
Never give pits; flesh only with caution.
CautionPeach
Pit: choking/obstruction and cyanogenic compounds.
Possible symptoms: Risk mainly from the stone.
Flesh without stone only.
CautionYogurt
Lactose; plain unsweetened better.
Possible symptoms: Gas, diarrhoea if intolerant.
Small plain amounts; no xylitol flavours.
CautionTuna
Occasional OK; frequent can mean mercury / thiamine issues.
Possible symptoms: Usually none acute.
Occasional treat, not daily staple.
CautionCorn
Often filler; cobs cause obstruction.
Possible symptoms: Obstruction signs if cob eaten.
Kernels OK in small amounts; never the cob.
CautionBread
Plain bread low toxicity; dough is dangerous.
Possible symptoms: Usually none for baked plain bread.
No raw dough; plain bread only as rare treat.
CautionHoney
Not for puppies (botulism risk); adults small amounts.
Possible symptoms: Usually none in healthy adults.
Avoid in young animals.
CautionCoconut
Flesh high fat; water usually OK in small amounts.
Possible symptoms: Digestive upset if lots of fat.
Small amounts only.
CautionPistachios
High fat; salted problematic.
Possible symptoms: Digestive upset / pancreatitis risk.
Avoid as regular treat.
CautionTea bags / tea
Caffeine and possible string/bag ingestion.
Possible symptoms: Restlessness if strong tea; foreign body if bag.
Do not let pets chew bags.
CautionAvocado pit
Choking and intestinal obstruction risk.
Possible symptoms: Vomiting, pain, obstruction signs.
Emergency if swallowed.
CautionIceberg lettuce (rabbits)
Low nutrients; can cause diarrhoea in rabbits.
Possible symptoms: Diarrhoea if excess.
Prefer darker leaf greens for rabbits.
CautionAvocado seed (general)
Obstruction risk across species.
Possible symptoms: Obstruction signs.
Never offer the pit.
Usually safeBanana
Safe in moderation; high sugar.
Possible symptoms: Usually none.
Small slices as treat.
Usually safeApple (flesh)
Safe without seeds/core.
Possible symptoms: Usually none.
Remove seeds and core.
Usually safeCarrot
Safe; good low-calorie snack.
Possible symptoms: Usually none.
Fresh or cooked plain.
Usually safePumpkin
Safe plain flesh; good for mild digestive support.
Possible symptoms: Usually none.
Plain cooked, no spices/sugar.
Usually safeRice
Plain cooked rice often used in bland diets.
Possible symptoms: Usually none.
Plain cooked only.
Usually safeCooked chicken
Safe plain without bones/seasoning.
Possible symptoms: Usually none.
No cooked bones; no onion/garlic seasoning.
Usually safeWatermelon
Safe flesh without seeds/rind in moderation.
Possible symptoms: Mild diarrhoea if lots.
Remove seeds and rind.
Usually safeMelon
Safe flesh in moderation.
Possible symptoms: Mild digestive upset if excess.
Plain flesh only.
Usually safeStrawberries
Safe in small amounts.
Possible symptoms: Usually none.
Washed, no sugar.
Usually safeAsparagus
Cooked plain generally fine; not very digestible raw.
Possible symptoms: Mild digestive upset possible.
Cooked plain, small amount.
Usually safeCucumber
Safe low-calorie snack.
Possible symptoms: Usually none.
Plain slices.
Usually safeLettuce
Most types OK in small amounts.
Possible symptoms: Usually none.
Avoid only huge amounts of iceberg for rabbits — see species notes.