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Location: Los Angeles, California, USA
Joined: Dec 2006
Posts: 29
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It has been suggested that I research the toxicity problems of chocolate, walnuts, etc. in dogs. So I followed that suggestion. Here are the results
with source credits!
PLANTS TOXIC TO DOGS
College of Veterinary Medicine, University of Illinois, Urbana, IL 61801
Aconite; Anemone (Windflower); Autumn Crocus; Black Locust; Buttercup; Caladium; Castor Oil Plants (Castor Bean, Palma, Christi, Koli); Cherry trees; Christmas Pepper; Christmas Rose (Hellebore); Clematis (Virgins' Bower); Cycads; Daffodil (Narcissus); Daphne; Delphinium (Larkspur, Staggerweed); Dicerna (Bleeding Heart, Dutchman's Breeches, Squirrel Corn, Turkey Corn); Dieffembachia; Elderberry; Euphorbia (Annual Poinsettia, Mexican fire Plant, Fire-on-the Mountain); Four O'Clocks; Foxglove (Digitalis--pets can be poisoned from drinking vase water of the flower); Garland Flower; Blory Lily; Golden Chain; Holly; Hydrangea; Iris; Indian Spurge Tree; Jack-in-the-Pulpit; Jerusalem Cherry; Jassemine; Lantana Camara (Red Sage); Laurels; Lilac; Lily of the Valley; Marsh Marigold (Cowslip); Matrimoney Vine; Mayapple; Meadow; Saffron; Mistletoe; Monkshood; Mountain Laurel; Mushrooms; Nightshade; Oaks; Oleander; Oxala; Philodendron; Phytolacca; Pine; Poincian (Bird of Paradise); Poison Hemlock; Pothos; Privet; Pyracantha (Firethorn); Rhododendron; Rhubarb; Rosary Pea; Snowdrop; Spring Adonis; Star-of-Bethlehem; Strelitzia; Sweet Pea; Trumpet Flower (Chalice Vine); Water Hemlock; Wisteria; Yellow Oleander; Yew.
Don't give the pooch that piece of milky way...she may love it but her body won't. One of the most common toxicities in animals seen by veterinarians is chocolate toxicity. Chocolate contains the chemical theobromine which is in the same chemical family as caffeine. Chocolate poisoning can occur with as little as a quarter ounce of baking chocolate ingested per pound of body weight. Baking chocolate contains higher amounts of theobromine than other forms of chocolate, but toxicity can occur with any form of chocolate or cocoa.
Signs of theobromine toxicity include vomiting, diarrhea, increased urination, hyperactivity (though some dogs can become lethargic), and rapid heart rate. Progressively, the signs include muscle tremors, seizures, coma, and death.
ONIONS & GARLIC
Mike Richards, DVM
Dogs develop hemolytic anemia if they eat enough onions. I don't think that it matters too much
whether the onions are cooked or not. The quantity of onions required is high enough that dogs can generally tolerate small doses of onions without any problem and moderate amounts of onion without clinically apparent disease, even though there may be measurable changes on lab
test results.
WALNUTS
All the data I have thus far found indicates it is MOLDY WALNUTS that are toxic to dogs. It is a chemical produced by the mold that is the problem.
Grape and raisin poisonings in Dogs
Recently, there was a letter in the AVMA Journal from Dr. Gwaltney-Brant and others at the ASPCA Animal Poison Control Center discussing grape and raisin poisoning in dogs. Apparently, grapes and raisins can be toxic to dogs when ingested in large quantities. … worked out to be between 0.41 and 1.1 oz/kg of body weight.
Now, the point is that all are "dose related", meaning the larger the dog, the greater the amount it can ingest without toxicity, and the reverse: the smaller the dog the less it can tolerate
Gee whizz - that's like table salt or water for us. Well tolerated (actually exxential) in moderation, but fatal in excessive amounts.
I have, or have had, most of the plants listed above as toxic to dogs. Funny thing: none of the dogs ever chewed on the pine tree or even the nightshade now growing outside this little office. No, I didn't train them not to - dogs generally have better sense.
Anyway, Lady will continue to enjoy the .3 oz of chocolate she occasionally gets - 75% of the toxic level for that chubby old girl. And she'll continue to enjoy table scraps which often contain onion and garlic. (She dislikes onion, particularly raw. Her "husband", Thor (RIP) loved liver & onions, and refused liver without the onions! Much like his master!) And as we rarely have noldy walnuts in our house, she will continue to enjoy a few walnuts plus the occasional peanut brittle, etc.
I do hope this doesn't upset anyone too much!