Should you fly if you think you have a blood clot?


Should you fly if you think you have a blood clot? A person should avoid flying if they have a newly diagnosed DVT due to the risk of related complications during travel, such as part of it breaking free. Healthcare professionals recommend waiting up to 4 weeks from the start of treatment for DVT before traveling.


What happens if you fly with a blood clot?

Flights lasting 8 to 10 hours or longer pose the greatest risk. In some cases, the DVT will dissolve and go away on its own. However, in more serious cases, it can cause pain, swelling, and warmth of the affected leg, or it can break off and travel to the blood vessels of your lungs, causing pulmonary embolism (PE).


Does airplane pressure affect blood clots?

Just as water doesn't flow easily through a kinked-up garden hose, blood can't flow as well through a vein that has a kink. On top of that, changes in air pressure inside the airplane cabin cut down the amount of oxygen you breathe in. Low oxygen in your blood can also make blood clots more likely to form.


How long after flying are you at risk for blood clot?

After the flight If you have travelled by air you should be alert for the symptoms of DVT for up to one month after flying, and should seek medical help if any symptoms such as a swollen or painful leg, especially the calf, and/or breathing difficulties occur.


Does aspirin prevent blood clots when flying?

Talk to your doctor about wearing compression stockings or taking medicine before departure if you have additional risk factors for blood clots. Taking aspirin to prevent blood clots when traveling is not recommended.