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Poisons Substances,
Food, and Plants

Poisonous Household Items, Foods, and Plants

Here is a list of every day house hold items that must be kept from your dogs

Poisonous Foods

It is not chocolate itself that is poisonous to dogs, it is the theobromine, a naturally
occurring compound found in chocolate. Theobromine causes different reactions to
different dogs: dogs with health problems, especially epilepsy, are more affected by
theobromine than healthy dogs. Theobromine can trigger epileptic seizures in dogs
prone to or at risk of epilepsy. The size of the dog will also be a major factor: the smaller
the dog, the more affected it is by the same amount than a larger dog. Therefore, toxicity
is described on a mg/Kg basis.

Furthermore, theobromine can cause cardiac irregularity, especially if the dog becomes
excited. Cardiac arrhythmia can precipitate a myocardial infarct which can kill the dog.

Theobromine also irritates the GI tract and in some dogs can cause internal bleeding
which in some cases kills them a day or so later.

Theobromine is also present in differing amounts in different kinds of chocolate. Milk
chocolate has 44-66 mg/oz, dark chocolate 450 mg/oz and baking/bitter chocolate or
cocoa powder varies as much as 150-600 mg/oz. How much chocolate a dog can
survive depends on its weight (and other unknown circumstances). Under 200 mg
theobromine per kg body weight no deaths have been observed.

Theobromine will stay in the bloodstream between 14 and 20 hours. It goes back into the
bloodstream through the stomach lining and takes a long time for the liver to filter out.

Within two hours of ingestion, try inducing vomiting unless your dog is markedly
stimulated, comatose, or has lost the gag reflex. If your dog has eaten a considerable
amount of chocolate, or displays any of the above symptoms, take it to the vet without

In the absence of major symptoms, administer activated charcoal. The unabsorbed
theobromine will chemically bond to this and be eliminated in the feces. In pinch, burnt (as
in thoroughly burnt, crumbling in hand) toast will do.

Walnuts are poisonous to dogs and should be avoided. In particular, there is a type of
fungus common to walnuts (especially wet deadfall walnuts) that will cause severe
episodes of seizuring. Many nuts are not good for dogs in general, their high
phosphorous content is said to possibly lead to bladder stones.

Onions, especially raw onions, have been shown to trigger hemolytic anemia in dogs.
(Stephen J Ettinger, D.V.M and Edward C. Fieldman, D.V.M. 's book: Textbook of
Veterinary Internal Medicine vol. 2 pg 1884.) Also: "Six Cases of Heinz Body Haemolytic
Anaemia Induced by Onion and/or Garlic Ingestion" - CM Edwards and CJ Belford
Aust.Vet.Prac. 26 (1) March 1996, 18-22.

Potato poisonings among people and dogs have occurred. Solanum alkaloids can be
found in in green sprouts and green potato skins, which occurs when the tubers are
exposed to sunlight during growth or after harvest. The relatively rare occurrence of
actual poisoning is due to several factors: solanine is poorly absorbed; it is mostly
hydrolyzed into less toxic solanidinel; and the metabolites are quickly eliminated.

** Note that cooked, mashed potatoes are fine for dogs,
actually quite nutritious and digestible**

Turkey Skin:
Turkey skin is currently thought to cause acute pancreatis in dogs.


It has recently been confirmed that grapes and raisins can cause acute renal failure in
dogs. The exact mechanism is not known, nor any means to determine the
susceptibility of an individual dog. However one vet [1] believes it may be an acute
auto-immune response to plant-borne viruses [2] in the same manner as FIP in cats.
While as little as one raisin can be fatal to a susceptible ten pound dog, many other
dogs have eaten as much as a pound of grapes or raisins at a time without ill effects.
The dog usually vomits a few hours after consumption and begins showing signs of
renal failure three to five days later.

Plants that are toxic to Dogs
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Boric Acid
Brake Fluid
Carbon Monoxide
Carburetor Cleaner
Christmas Tinsel
Cleaning Fluid
Drain Cleaner
Furniture Polish
Hair Colorings
Metal Polish
Mineral Spirits
Nail Polish &
Paint & Remover
Perm Solutions
Photo Developer
Rat Poison
Rubbing Alcohol
Shoe Polish
Sleeping Pills
Suntan Lotions
Windshield Fluid
Chocolate, tea, coffee & cola
Turkey Skin
Inducing Vomiting

If you need to induce vomiting,
first make sure that it's
appropriate to do so. Don't
induce vomiting:

More than two hours after
ingesting problematic substance
when the substance is an acid,
alkali, solvent, or petroleum
product, as it will do as
much damage on the way up as
it did the way down
when dog is comatose or very

To induce vomiting:

  • 1 teaspoon hydrogen
    peroxide per 30lbs body
  • give once
  • repeat after ten minutes;
  • don't administer more
    than three times; some
    dogs will drool and look
    miserable before vomiting
1. Amaryllis

Popular during the spring holidays, this
plant can cause vomiting, depression,
diarrhea, excessive drooling, and
2. Azalea

Prevalent in many backyards, this
common plant can cause vomiting,
diarrhea, a drop in blood pressure,
coma, and can even be life threatening
3. Bird of Paradise

Not to be confused with the less toxic
Strelitzia reginae, this plant, if
consumed, can cause oral irritation,
excessive drooling, vomiting, diarrhea,
and difficulty swallowin
4. Daffodil

A favorite of gardeners, this plant can
cause vomiting, diarrhea, arrhythmia,
and convulsions
5. Eucalyptus

This plant, if consumed, can cause
excessive drooling, vomiting, diarrhea,
depression, and weakness
6. Hyacinth

Consumption can cause intense
vomiting, diarrhea, depression, and
7. Hydrangea

Brightly colored but toxic, this plant can
cause vomiting, depression, diarrhea,
and other gastrointestinal disturbances
8. Iris

While the entirety of this plant is toxic,
the rhizomes (underground stem) are
most potent and, if ingested, this plant
can cause vomiting, drooling, lethargy,
and diarrhea
9. Calla Lily

If one of these uniquely shaped flowers
is ingested, it can cause oral irritation,
a burning sensation on the tongue and
lips, excessive drooling, vomiting, and
difficulty swallowing
10. Morning Glory

These cone-shaped flowers can cause
vomiting and even hallucinations
11. Rhododendron

It only takes consuming a few leaves to
create a serious reaction, including
excessive drooling, loss of appetite,
diarrhea, colic, depression, weakness,
stupor, paralysis, or worse – your dog
may become comatose or even die
12. Rose

Even though the petals and leaves of
this plant are not considered toxic and
can be safe to chew on, if your pup
actually eats the rose’s blossom or
leaves, it can cause an upset stomach
13. Jade

Consumption can cause vomiting, a
slow heart rate, incoordination, and
depression, which can be hard to spot
14. Tomato plants

While the popular fruit produced by
this plant isn’t poisonous, the plant
itself is toxic to dogs and produces
symptoms such as hypersalivation,
severe upset stomach, depression,
weakness, dilated pupils, and slow
heart rate
15. Tulip

Pretty but poisonous, the bulb of this
plant, if ingested, can cause oral
irritation, excessive drooling, and
Reference for the Plant Info and
Thank you ASPCA
Book Club
First Aid
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