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"[[File: File:Chocolate.jpg|thumb|Chocolate]]"
"[[File:Chocolate.jpg|thumb|Chocolate]]"
==Introduction==
==Introduction==
Toxicity is due to the presence of methylxanthines such as theobromine and caffeine in chocolate.<ref name="multiples"> '''BSAVA Manual of Canine and Feline Emergency and Critical Care'''Chapter 19, Second Edition,2007 </ref>. The consumption of more than 20mg/kg of total methylxanthines is considered the cut-off point in deciding whether or not to treat <ref name="multiples"> '''Dietary intoxications, Chocolate (Theobromine and Caffeine)''', Warman SM, p253,''BSAVA Congress 2007 Scientific Proceedings, Veterinary Programme'' </ref>. The concentration of methylxanthines differs between products. The average methylxanthine content of milk chocolate is 2mg/g, while that of baking chocolate is 16mg/g. <ref name=multiples> Tilley, Smith'''The 5-Minute Veterinary Consult Canine and Feline''' (Second Edition), ''Lippencott, Williams and Wilkins''</ref>. Therefore number of grammes required to reach this threshold vary according to the product. For example in a 10kg dog 5000g of white chocolate provides the equivalent 20mg/kg dose of methylxanthines that 12-40g of plain chocolate or 7-25g of cocoa powder does <ref name="multiples"> '''Dietary intoxications, Chocolate (Theobromine and Caffeine)''', Warman SM, p253,''BSAVA Congress 2007 Scientific Proceedings, Veterinary Programme'' </ref>.
Toxicity is due to the presence of methylxanthines such as theobromine and caffeine in chocolate.<ref name="multiples"> '''BSAVA Manual of Canine and Feline Emergency and Critical Care'''Chapter 19, Second Edition,2007 </ref>. The consumption of more than 20mg/kg of total methylxanthines is considered the cut-off point in deciding whether or not to treat <ref name="multiples"> '''Dietary intoxications, Chocolate (Theobromine and Caffeine)''', Warman SM, p253,''BSAVA Congress 2007 Scientific Proceedings, Veterinary Programme'' </ref>. The concentration of methylxanthines differs between products. The average methylxanthine content of milk chocolate is 2mg/g, while that of baking chocolate is 16mg/g. <ref name=multiples> Tilley, Smith'''The 5-Minute Veterinary Consult Canine and Feline''' (Second Edition), ''Lippencott, Williams and Wilkins''</ref>. Therefore number of grammes required to reach this threshold vary according to the product. For example in a 10kg dog 5000g of white chocolate provides the equivalent 20mg/kg dose of methylxanthines that 12-40g of plain chocolate or 7-25g of cocoa powder does <ref name="multiples"> '''Dietary intoxications, Chocolate (Theobromine and Caffeine)''', Warman SM, p253,''BSAVA Congress 2007 Scientific Proceedings, Veterinary Programme'' </ref>.