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Dogs are usually the pets that get into trouble because their nature is to eat A LOT of whatever tastes good to them. All chocolate is not created equal. The darker the chocolate, the more toxic it is.
Potentially fatal dose of dark baking chocolate is ½ ounce per pound body weight.
For a 10 lb dog – a toxic dose would be if he ate 5 ounces or 1/2 a box of baking chocolate, which is typically 8 ounce.
Potentially fatal dose is ¾ ounce per pound
For a 10 lb dog – he would have to eat 7.5 ounces to ingest a toxic dose. This is nearly an entire box of semi-sweet baking chocolate, or ½ of a 16 ounce bag of semi-sweet chips
Potentially fatal dose is 3 oz per pound For a 10 lb dog – he would have to eat 30 oz. This would equate to two entire 16 oz bags of milk chocolate candy (like M&Ms, Hershey’s kisses, etc), or 20 1.55 oz Hershey’s bars
If your dog ate half of a potentially toxic dose
If you are unsure how much your dog ingested
If your dog is showing clinical signs (vomiting, diarrhea, tremors,
weakness or abnormal excitation, seizures, etc)
If you are concerned and just want your dog checked out
If your dog is old, young, small, has other health problems – anything that might cause your dog to be more sensitive to the toxin
Small bar of Hershey’s chocolate = 1.55 oz Typical bag of Hershey’s kisses, M&Ms, chocolate chips, etc = 16 oz Typical box of baking chocolate = 8 oz
Other types of chocolate, like hot chocolate or white chocolate, have minimal amounts of toxic substance, and should not cause a problem unless a very large amount is ingested.