Why does my body feel swollen after flying?

Swelling is common during air travel The swelling is a combination of inactivity paired with the force of gravity pulling the fluids in your body toward earth. Sitting with your feet motionless for hours at a time can cause the blood to pool in the veins of your legs, but it isn't the only source of swelling.



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If your feet and ankles swell during a flight but the swelling subsides shortly afterward, it's not a serious concern. But if the swelling continues for hours after the flight and if the leg is red or warm to the touch or you have symptoms in only one leg, you need to seek medical care.

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Post-flight recovery
  1. Elevate your feet. If you're uncomfortable, grab a seat at the arrival gate where you can elevate your feet. ...
  2. Soak your feet or take a bath when you arrive at your accommodations. Just as a hot tub or jacuzzi increases blood flow, a hot bath can have the same effect. ...
  3. Take a walk or exercise.


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Leg edema, as a sign of venous stasis, is a well-known problem among passengers during and after long-haul flights.

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However, the pressure in the cabin caused by being at such a high altitude makes any air trapped in your gut expand, which causes you to feel bloated after a flight.

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DVT or PE may manifest during or shortly after the flight, but often not for several weeks. Prevention includes choosing aisle seating, maintaining hydration, walking frequently, wearing loose clothing, exercising the lower extremities, using a foot rest, and avoiding alcohol and sleeping pills.

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Symptoms are likely to be worse or last longer the farther you travel. This is especially true if you fly east. It usually takes about a day to recover for each time zone crossed.

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How to aid recovery from long-haul flights
  1. Avoid alcohol for at least 24 hours.
  2. Go for a short burst of cardio. ...
  3. Keep drinking water.
  4. Sleep, or if you can't sleep, rest in a darkened room very soon after arriving at your final destination.
  5. And finally, if you can, get a massage within the first 24 hours of landing.


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Feeling unwell directly after a flight is often the cause of low humidity. Planes have a different atmospheric pressure than we are used to, which can cause the nasal passages to dry, leading to symptoms resembling flu.

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Sitting down in a tight seat for 13+ hours can sometimes lead to circulation issues, including swelling in the feet. According to The Healthy, the chance of your body forming blood clots increases when blood isn't moving correctly, such as when onboard a long-haul flight.

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This is known as the heavy leg phenomenon. “Everyone, men and women, can suffer from this,” says Anne Cali. “It's due to circulatory problems and therefore to water retention.”

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People commonly experience musculoskeletal pain with plane travel such as back pain, jaw pain, neck pain, foot and ankle pain. But common doesn't mean it needs to be necessary! In fact the list continues with bloating and jet lag being other common complaints post flight.

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The following are the most common symptoms of DVT that occur in the affected part of the body (usually the leg or arm): Swelling of your leg or arm. Pain or tenderness that you can't explain. Skin that is warm to the touch.

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Post-flight recovery
  1. Elevate your feet. If you're uncomfortable, grab a seat at the arrival gate where you can elevate your feet. ...
  2. Soak your feet or take a bath when you arrive at your accommodations. Just as a hot tub or jacuzzi increases blood flow, a hot bath can have the same effect. ...
  3. Take a walk or exercise.


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If your leg is swollen and you raise it higher than your heart, the force of gravity will be moving the fluid in your leg towards your heart. The more the swelling and the longer there has been swelling, the longer and more frequently your need to elevate your legs. Start with 20 minutes twice a day.

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Takeoff and landing are widely considered the most dangerous parts of a flight.

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The Airport and Airplanes are Full of Germs Airplanes are just as dirty. Studies have shown bacteria and viruses living on armrests, seat belts, window shades, tray tables, toilet handles, and more for DAYS.

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The cramped conditions and long periods of being less active on a flight can cause pain, stiffness or swelling of your legs. Being less active can lead to slow blood flow in your veins which increases your risk of developing a blood clot, known as deep vein thrombosis (DVT). DVTs most commonly form in the legs.

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Answer From Sheldon G. Sheps, M.D. Leg and foot swelling during air travel is common and typically harmless. The most likely culprit is inactivity during a flight.

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