Sugar-free gum is very toxic to dogs. Common signs of toxicity include lethargy and pets not acting like themselves. If you suspect that your dog has eaten gum, bring them to your veterinarian immediately. Video of dgfPFo3nF30 Related Articles Hiking and Running: Which Types of Dogs Are Best? 8 Common Myths about Surgery and Dogs Life and Death Decisions Part V: Panda's Story Fall Ticks Are Still Out