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几种对宠物有害的人类食物Anumberofhumanfoodsaredangeroustopets.Manyofthesefoodsmayseemtastytoourpetsbutcanprovedeadlyifeaten.Itcanbeverytemptingtoofferpetsfoodfromthetable,butpetsshouldnotbegivenhumanfoodunlessrecommendedbyyourveterinarian.有些适合人类吃的食物对宠物是有害的。这些食物味道可口，但是宠物吃了以后可能会死亡。人类餐桌上有各种各样充满诱惑的食物，但是给宠物吃之前，最好询问一下兽医。Ifyoususpectyourpetmayhaveeatenadangerousfood,contactyourveterinarianimmediately.Inmanycases,earlyrecognitionandtreatmentarecritical.Chocolate,Coffee,andCaffeineChocolatecontainstheobromine（可可碱）,achemicalthatistoxictodogsinlargeenoughquantities.Chocolatealsocontainscaffeine,whichisfoundincoffee,tea,andcertainsoftdrinks.Differenttypesofchocolatecontaindifferentamountsoftheobromineandcaffeine.Forexample,darkchocolateandbakingchocolatecontainmoreofthesecompoundsthanmilkchocolatedoes,soadogwouldneedtoeatmoremilkchocolateinordertobecomeill.However,evenafewouncesofchocolatecanbeenoughtocauseillnessinasmalldog,sonoamountortypeofchocolateshouldbeconsidered“safe”foradogtoeat.Chocolatetoxicitycancausevomiting,diarrhea（腹泻）,rapidorirregularheartrate,restlessness,muscletremors,andseizures.Deathcanoccurwithin24hoursofingestion（摄取，咽下）.GrapesandRaisinsGrapesandraisinscancauseacute(sudden)kidneyfailureincatsanddogs.Itisunknownwhatthetoxicagentisinthesefruits.However,clinicalsignscanoccurwithin24hoursofeatingandincludevomiting,diarrhea,andlethargy(tiredness).Othersignsofillnessrelatetotheeventualshutdownofkidneyfunctioning.GarlicandOnionsGarlicandonionscontainchemicalsthatdamageredbloodcellsincatsanddogs.Affectedredbloodcellscanruptureorlosetheirabilitytocarryoxygeneffectively.Cookingthesefoodsdoesnotreducetheirpotentialtoxicity.Fresh,cooked,and/orpowderedgarlicand/oronionsarecommonlyfoundinbabyfood,whichissometimesgiventoanimalswhentheyaresick,sobesuretoreadfoodlabelscarefully.Manycasesofhumanfoodtoxicityinpetsareaccidental.Apetmayfindandchewonapackageofgumorcandy,orstealfoodfromacountertoportable.Thebestwaytopreventthisistokeepallfooditemsinclosedcabinetsor
