1. First things first: If this is your first time going on a long trip with your baby, it's not a bad idea to check in with your vet beforehand. Shironosov / Getty Images Just to make sure they're in good shape to travel. Be sure to let your vet know how you plan on traveling (by car, plane, train) and what your destination will be. 2. Be sure to bring enough food for your trip. Chalabala / Getty Images Remember: Changing a dog's food suddenly, especially when they're in a new environment and might be nervous, can result in GI issues you don't want to deal with. Two words: explosive diarrhea. 3. If you can, avoid the busiest travel days. Nataba / Getty Images Flight delays and traffic can make a long trip even longer, so leaving on Christmas Eve might not be the best idea... 4. If you're flying, be sure you're up to date with airline policies. Damedeeso / Getty Images Flying? Each airline has its own policy when it comes to transporting pets. Avoid surprises by checking your particular airline's guidelines and regulations before getting to the airport. 5. Find the right pet carrier for your pooch. Nadisja / Getty Images Measuring your dog is the most important thing. Make sure they will have enough room to turn around and lie down in their carrier. Also, airlines often have stringent rules about what kinds of carriers can be used. Check regulations for your individual airline before purchase. 6. Favorite toys and blankets can help alleviate travel anxiety. Kemi Ajisekola / Via Instagram: @zsazsagabork Your pup's on their way to a brand-new place; something familiar will help them feel comforted on long journeys. 7. If you're driving, make sure to have an easy way to supply your dog with water on the trip. Iamnoonmai / Getty Images Now's the time to pick up a doggy water bottle! 8. It's a good idea to tether your dog in a crate or harness while in the car. Walik / Getty Images Free-roaming animals in the car are a safety hazard. When considering a doggy seatbelt, it's best to go with a harness, as tethering them by the collar can present a choking hazard. Be sure to get a harness that's crash-tested! 9. Got a pup that gets car sick? Larisa Shpineva / Getty Images There are many remedies for a puppo with an upset tummy. Check with your vet for recommendations to make sure your car trip is puke-free. 10. When you stop, don't leave your pet unattended for too long. Kyryl Gorlov / Getty Images A freezing cold car can be just as dangerous as a hot one. Keep stops short, and return to your baby in a timely fashion. 11. And when you arrive, keep in mind that your dog is more likely to have accidents in a new place. Ralchevdesign / Getty Images So they might need an extra potty break. Bringing extra wee-wee pads as a backup could be a real lifesaver. 12. Familiar smells help your dog feel the most comfortable. Georgepeters / Getty Images If your pet gets nervous in new surroundings, try sleeping in an old T-shirt for a couple days and giving it to them. Your scent will give them some piece of mind. Traveling with your pet during the holidays can be anxiety-inducing, but as long as you're prepared, you and your pupperoni will have a great time.