"According to Dr. Eric Dunayer, Consulting Veterinarian in Clinical 
Toxicology for the ASPCA Animal Poison ASPCA Animal Control Center, 
dogs ingesting significant amounts of gum or candies solely or 
largely sweetened with xylitol may develop a fairly sudden drop in 
blood sugar, resulting in depression, loss of coordination and 
seizures. "These signs can develop quite rapidly, at times less than 
30 minutes after ingestion of the of product. Therefore, it is 
important that pet owners Companion seek veterinary treatment 
immediately."