Theobromine poisoning

Oral toxicity (mg/kg)
TDLo LD50
Cat 200
Dog 16 300
Human 26 ~800
Mouse 837
Rabbit 1,000
Rat 1,265

Theobromine poisoning, also informally called chocolate poisoning or cocoa poisoning, is an overdosage reaction to the xanthine alkaloid theobromine, found in chocolate, tea, cola beverages, and some other foods.