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Poisonous Plants & Foods

Quick reference for dangerous substances. If your pet ingests anything on this list, contact your vet or Pet Poison Helpline (855-764-7661) immediately.

Alcohol

Severe
Food Affects: Dogs & Cats

Symptoms: vomiting, disorientation, staggering, coma, death

Treatment: IV fluids, respiratory support. Even small amounts dangerous.

Antifreeze

Fatal
Household Affects: Dogs & Cats

Symptoms: staggering, vomiting, excessive thirst, kidney failure

Treatment: IMMEDIATE vet, antidote within 3 hours. Sweet taste attracts pets.

Avocado

Mild
Food Affects: Dogs & Cats

Symptoms: vomiting, diarrhea (dogs)

Treatment: supportive care. More toxic to birds/horses.

Chocolate

Severe
Food Affects: Dogs & Cats

Symptoms: vomiting, diarrhea, panting, hyperactivity, tremors, seizures

Treatment: induce vomiting, activated charcoal, hospitalization. Darker = worse.

Coffee/Caffeine

Severe
Food Affects: Dogs & Cats

Symptoms: vomiting, restlessness, hyperactivity, heart arrhythmia

Treatment: induce vomiting, activated charcoal, heart monitoring.

Grapes & Raisins

Severe
Food Affects: Dogs & Cats

Symptoms: vomiting within 2-6 hrs, lethargy, kidney failure

Treatment: induce vomiting, IV fluids 48 hrs, monitor kidneys.

Ibuprofen/NSAIDs

Severe
Household Affects: Dogs & Cats

Symptoms: vomiting, bloody vomit, abdominal pain, kidney failure

Treatment: induce vomiting, activated charcoal, GI protectants.

Lilies

Fatal
Plant Affects: Cat

Symptoms: vomiting, lethargy, kidney failure in 24-72 hrs

Treatment: immediate decontamination, IV fluids 48 hrs. Even pollen is deadly to cats.

Macadamia Nuts

Moderate
Food Affects: Dog

Symptoms: hind leg weakness, vomiting, tremors, hyperthermia

Treatment: induce vomiting, supportive care. Most recover in 24-48 hrs.

Marijuana

Moderate
Food Affects: Dogs & Cats

Symptoms: drowsiness, wobbly gait, dilated pupils, vomiting

Treatment: supportive care, dark room. Most recover in 24 hrs.

Moldy Food

Severe
Food Affects: Dogs & Cats

Symptoms: vomiting, tremors, seizures, hyperthermia

Treatment: induce vomiting, activated charcoal, muscle relaxants.

Onions & Garlic

Moderate
Food Affects: Dogs & Cats

Symptoms: weakness, pale gums, red urine, anemia

Treatment: induce vomiting if recent, monitor anemia, blood transfusion if severe. All forms toxic.

Rat Poison

Fatal
Household Affects: Dogs & Cats

Symptoms: bleeding, bruising, pale gums, blood in stool

Treatment: Vitamin K1 therapy for weeks-months, blood transfusions.

Rhododendron/Azalea

Severe
Plant Affects: Dogs & Cats

Symptoms: vomiting, drooling, weakness, paralysis, coma

Treatment: induce vomiting, activated charcoal, cardiac monitoring.

Sago Palm

Fatal
Plant Affects: Dogs & Cats

Symptoms: vomiting, bloody stool, jaundice, liver failure

Treatment: induce vomiting, activated charcoal, liver support. Poor prognosis once symptomatic.

Tobacco/Nicotine

Severe
Plant Affects: Dogs & Cats

Symptoms: hyperactivity, drooling, vomiting, weakness, seizures

Treatment: induce vomiting, activated charcoal, hospitalization.

Tulip/Hyacinth Bulbs

Moderate
Plant Affects: Dogs & Cats

Symptoms: vomiting, drooling, diarrhea

Treatment: induce vomiting if bulbs chewed. Most toxin in bulbs.

Xylitol

Severe
Food Affects: Dog

Symptoms: vomiting, weakness, staggering, seizures, liver failure

Treatment: induce vomiting, IV glucose, hospitalization. Found in gum, candy, peanut butter.

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