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A person's risk of developing a blood clot while traveling can be increased if they are older, they are overweight, they smoke, and if they are going to sit for a long period of time without exercising their muscles, and it could be either air travel or ground travel for that purpose. Certain medical conditions, if present, can also increase their risk, most commonly cancers, family history of blood clots, any hormone replacement therapies, birth control pills.

Blood clots are typically treated with blood thinners or anticoagulants. In addition to anticoagulants, we would also support them with compression stockings and most commonly preventing a blood clot is the most emphasized modality, and prevention is more important than actually treating them.

It is important to reduce the risk of developing a blood clot, especially during travel. The simplest thing would be to exercise your lower leg muscles. The most simplest exercise would be to raise your toes, point your toes towards your head, stretching your calves, and then relax, and then repeat as often as you can remember to do so. If you're in an air travel, getting up for just walking down the aisle would be an important prevention. If you specifically know your risk to be high, you can take additional preventative measures, such as wear compression stockings. You can even take prophylactic blood thinners if you've had blood clots before.