They should be in the original bottles, and you should keep them in your purse or carry-on luggage. If you are flying, avoid carbonated beverages because the gas expands while you are in the air, and you know what kind of problems that can cause, especially for your seat mate. Germy people have touched everything, and those germs get on your hands and then they make you sick. Here are a few ways to travel healthy when traveling. As a general rule, you shouldn't sit for more than a couple of hours at a time.

Medications
Make sure you have any prescription medications that you need with you.When we think of healthy travel issues, most of us think of travel to exotic destinations where they have tropical diseases. Acetaminophen, anti-diarrhea medication, antacids and antihistamines are always handy to have with you. Take a good walk at rest stops.

Make sure you have any over-the-counter medications that you usually take, too. If sitting is unavoidable, stretch your legs out and move them around frequently. Check to see when your last tetanus shot was and get one if it's been over five years, and make sure you get a flu shot. Domestic travel can make you sick, too, though unless you take some precautions.

Wash your hands
Wash them often. Get up and walk around as much as possible.

Immunizations
Immunizations are important for healthy travel. Planes, trains and buses are ideal breeding grounds for all kinds of viruses.

Follow these healthy travel hints and you can avoid most illnesses, even when traveling domestically.

Drink lots of water
Travel tends to dehydrate you. Make sure they are up to date.. Airplanes, especially, have very dry air in them. If you are diabetic or have other health conditions, consider wearing a medicalert tag or bracelet, or carrying a medicalert card with you. Avoid caffeinated or alcoholic beverages because they tend to make you more dehydrated. Carry antibacterial hand washing gel with you, and wash frequently.

Walk
If you are stuck in a bus, train or plane seat for long periods of time, you can develop blood clots in your legs, which can be very dangerous. Bottled water is best if you are unsure about the safety of local water.

If you plan to do any sports or outdoor activities, you might want to carry a simple first aid kit.

Keep a list of all the medications you take and your medical history with you at all times. The easiest way to prevent travel colds is to wash your hands a lot.