If you suspect your dog has ingested lithium, immediately contact your veterinarian or the ASPCA Animal Poison Control Center at (888) 426-4435. They will be able to provide the most accurate and up-to-date information on the potential risks and proper course of action.
Do not attempt to induce vomiting or administer any treatment without the guidance of a veterinary professional.
Remember, your dog's health is paramount. Prompt action can significantly improve their chances of a safe recovery.