Accepted Answer

Hello and thanks for researching this very important question!

Baker's chocolate and other concentrated chocolate products (like cocoa powder or dark chocolate that are used in brownie mixes) do contain certain chemicals that can cause a number of toxic problems in pet dogs.

 

A lot of sugar likewise can cause digestive upset, can alter blood sugar levels, and possibly even cause the pancreas to become inflammed.

 

Here is a link to a site that gives details about treatment, and what symptoms to look for: Read Information Here.

To find out if his heart is racing, place your hands on both sides of his chest and feel for the pulsing...count the number of beats in one minute and compare it to the information found here: Canine Vital Signs.

A chart to tell how much dark chocolate is toxic at his size:
Read Info Here.

At a minimum, call your vet's office to find out what their recommendation is based on his overall health history. His increased thirst indicates that he is experiencing some kind of liver/kidney distress.

Toxic chemicals in chocolate can stay in a dog's body for up to 4 days. If he has a seizure or diarrhea that does not stop, please have him looked at by a qualified veterinarian right away.

If you need additional support at this time, please click "Reply", otherwise I thank you in advance for your "Accept" and will hold a Good Thought for you both.

Expert:	Gen B.
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Answered:	11/4/2009

Retired Veterinary Technician

Lhasa,Shih Tzu Breeder/ B.A.Neurophysiology & Animal Behavior/I use plain English!