Foods, Plants and Products that are Poisonous to
Dogs

Chocolate contains a substance called theobromine, which
is a cardiac stimulant and diuretic. If your dog ingests chocolate, it may pass an
excessive amount of urine, become hyperactive and have vomiting and diarrhea. It
may be fatal. Cocoa powder and baking chocolate are the most toxic, milk
chocolate the least.

Onion and Garlic toxicity:

Onions and garlic contain thiosulphate, which is toxic
to dogs. Onions are most toxic. If you dog eats a large amount of onions or a small
amount over a period of time, he can develop hemolytic anemia, where his blood
vessels burst. Early signs of toxicity are vomiting and diarrhea.

Raisins and Grapes -
One grape may not be a problem, but a handful could cause
serious problems. Raisins are particularly harmful and can lead to lethargy,
vomiting, diarrhea and kidney failure.

Alcohol poisoning -

some people think it is fun to give their dog a sip of beer or
wine, but this can be very dangerous. Dogs absorb alcohol very quickly and can
have serious reactions, including seizures, heart arrythmias, kidney damage and
even death.

Other foods dangerous to dogs:
Common household products and items that can poison dogs:
Cigarettes, tobacco, cigars
Mothballs
Antifreeze (be aware--dogs like the sweet taste)
Lead poisoning
Poison Plants for Dogs
There is a number of plants that are poisonous to dogs. Among them are:
Wild mushrooms
tomato leaves and stems
Mistletoe
Poinsettia
Oleander
Pyracantha
Bulbs of flowers, especially lilies