my ex groomed show dogs..she had alot of dogs(4)of varying breeds..her terrier ate an 8th and was looking like it was on deaths door,and we didnt know it ate the bud..toom it to the vet..recovered in a days time..we asked the vet what was wrong and he alluded to the cause,and hinted about keeping dog away from "anything a person might consume..."
next time we found the dog "dying"(yes,it ate another bag weeks later),we left it on the floor..lol
but personally,i feel giving animals drugs is not right..kinda almost like getting your 12month old kid high imo...i wont be a hypocrite and say ive never done it,but after reflecting on the subject,i decided it was bad and havent since i made that decision...
onions and chocolate are bad for puppies also.