Pet Poison Lookup Database

Instantly check whether a food, plant, medication or household chemical is safe or toxic to dogs and cats. Includes severity, symptoms, and what to do next — plus 24/7 poison-hotline numbers.

If your pet just ingested something:

ASPCA: +1 (888) 426-4435 · Pet Poison Helpline: +1 (855) 764-7661 (fees apply, 24/7).

Grapes / raisins
deadly
Food

Symptoms: Vomiting, lethargy, acute kidney failure within 24–72 h

What to do: Emergency vet immediately — no safe dose exists.

Xylitol
deadly
Food additive

Symptoms: Hypoglycemia within 30 min, liver failure within 24 h

What to do: Emergency vet NOW. Found in sugar-free gum, peanut butter, toothpaste.

Ibuprofen (Advil)
deadly
Human medication

Symptoms: Vomiting, GI ulcers, kidney failure

What to do: Emergency vet — even one pill can be fatal to a cat.

Acetaminophen (Tylenol)
deadly
Human medication

Symptoms: Brown gums, difficulty breathing, liver failure

What to do: Emergency vet. Cats lack the enzyme to metabolize it.

Antifreeze (ethylene glycol)
deadly
Household chemical

Symptoms: Drunken gait, then kidney failure within 24–72 h

What to do: Emergency vet within 3 hours — antidote is time-critical.

Lily (Easter, Tiger, Asiatic)
deadly
Plant

Symptoms: Vomiting, lethargy, kidney failure within 24–72 h

What to do: Emergency vet — even pollen or vase water can kill a cat.

Sago palm
deadly
Plant

Symptoms: Vomiting, dark stool, liver failure

What to do: Emergency vet — 50%+ mortality even with treatment.

Rodenticide
deadly
Poison bait

Symptoms: Bleeding, weakness, seizures (varies by type)

What to do: Emergency vet — bring packaging so vet identifies active ingredient.

Sugarless gum (any Xylitol)
deadly
Food

Symptoms: See Xylitol above

What to do: Emergency vet immediately.

Chocolate
toxic
Food

Symptoms: Vomiting, hyperactivity, tremors, arrhythmia

What to do: Call vet or ASPCA Poison Control (888-426-4435). Dark & baker's chocolate most dangerous.

Onion / garlic / chives
toxic
Food

Symptoms: Weakness, pale gums, dark urine (hemolytic anemia)

What to do: Call vet — cats far more sensitive than dogs.

Macadamia nuts
toxic
Food

Symptoms: Weakness in hind legs, tremors, hyperthermia

What to do: Usually self-limits in 24–48 h but call vet.

Marijuana / THC
toxic
Recreational

Symptoms: Wobbly gait, dilated pupils, urine dribbling

What to do: Vet — recovery usually 12–24 h; edibles with chocolate/xylitol more dangerous.

Caffeine
toxic
Food

Symptoms: Restlessness, arrhythmia, seizures

What to do: Vet if a coffee grounds / tea / caffeine pill ingestion.

Bleach (concentrated)
toxic
Household chemical

Symptoms: Drooling, oral ulcers, vomiting

What to do: Rinse mouth with water/milk — do NOT induce vomiting. Call poison control.

Educational only. This tool does not diagnose disease or replace veterinary care. For any emergency call your vet or a 24/7 animal poison control line immediately.
Not medical advice. This tool provides general guidance based on common veterinary formulas. Always consult your veterinarian for medical decisions about your pet.

How it works

Veterinary Toxicology, Toxicokinetics, and Poison Emergency Decontamination

Companion animals possess unique metabolic vulnerabilities that render common human foods, household plants, and over-the-counter chemicals severely toxic or fatal. In veterinary toxicology, the severity of poisoning is governed by the toxic dose equation: $Dose (mg/kg) = rac{ ext{Quantity Ingested (mg)}}{ ext{Patient Body Weight (kg)}}$.

Under emergency standards established by the ASPCA Animal Poison Control Center (APCC) and the Pet Poison Helpline:

Top 5 Lethal Household Pet Toxins:
1. Xylitol / Birch Bark Extract (Dogs): Hypoglycemia + Acute Hepatic Necrosis (Dose: > 0.1 g/kg)
2. Lilies / Lilium & Hemerocallis (Cats): Fatal Acute Renal Tubular Necrosis (A single bite/pollen)
3. Dark Chocolate / Theobromine & Caffeine: Cardiac Arrhythmias + Seizures (Dose: > 20 mg/kg)
4. Human NSAIDs (Ibuprofen, Naproxen): Perforating Gastric Ulcers + Acute Renal Failure
5. Anticoagulant Rodenticides (Rat Poison): Internal Hemorrhaging (Depletes Vitamin K1)

Immediate Emergency Action Protocols

  • DO NOT INDUCE VOMITING AT HOME WITHOUT PROFESSIONAL GUIDANCE: Administering hydrogen peroxide to cats is ineffective and causes severe hemorrhagic gastritis. In dogs, inducing vomiting is strictly contraindicated if the ingested substance is caustic (bleach, battery acid), a hydrocarbon, or if the animal is sedated or seizing (causes fatal pulmonary aspiration).
  • Call Emergency Toxicology Hotlines:
    • ASPCA Animal Poison Control: (888) 426-4435
    • Pet Poison Helpline: (855) 764-7661

Identify pharmaceuticals with Pet Pill Identifier, locate 24/7 care via Emergency Vet Finder, check medication dosages using Pet Medication Calculator, and explore toxic plant databases at ASPCA APCC.

Examples

  • ChocolateTOXIC — dark and baker's most dangerous
  • LilyDEADLY for cats — even pollen or vase water
  • XylitolDEADLY — hypoglycemia within 30 min

Frequently asked questions

Related reading