Hibiscus plants are toxic to dogs, according to the American Society for the Prevention of Cruelty to Animals. Hibiscus plants can cause vomiting, nausea, anorexia and diarrhea. Hibiscus is also toxic to cats and horses. More »

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The jade plant is toxic to both cats and dogs. Veterinarians recommend that pet owners do not keep this plant inside their homes. More »

Also known as Naked Lady, Saint Joseph Lily and Cape Belladona, the amaryllis plant is toxic to both cats and dogs, according to the American Society for the Prevention of Cruelty to Animals. All species of the amaryllis... More »

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Macadamia nuts pose the risk of toxicity in dogs, causing symptoms of muscle weakness of the hind legs, fever, and pain accompanied by tremors, according to the American Society for the Prevention of Cruelty to Animals. ... More »

Some foods harmful to dogs include avocado, chocolate, grapes and raisins, macadamia nuts and xylitol from sugar-free gum or sugar-free baked goods, notes the American Society for the Prevention of Cruelty to Animals. Al... More »

Plants that are poisonous to dogs include American holly, amaryllis, castor bean plants, garlic and other members of the allium family, and tomato plants, says the American Society for the Prevention of Cruelty to Animal... More »

www.reference.com Pets & Animals Pets Veterinary Health

Parvovirus, or parvo, in dogs is a highly contagious and often fatal viral disease that attacks the gastrointestinal system of the animal, according to the American Society for the Prevention of Cruelty to Animals (ASPCA... More »