If a dog is having an epileptic seizure, it's important to stay calm and follow these steps: 1. Stay Safe: Keep your distance from the dog's mouth and head to avoid being accidentally bitten. 2. Time the Seizure: Use a watch or phone to time the seizure. If it lasts more than 5 minutes, it's considered an emergency. 3. Clear the Area: Move furniture or objects away from the dog to prevent injury, but do not try to hold or restrain the dog. 4. Keep the Dog Cool: If possible, place a fan nearby or