How long does it take to get a blood clot after flying?

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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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.

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However, anyone traveling more than four hours, whether by air, car, bus, or train, can be at risk for blood clots.

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Prevent Blood Clots During Travel
  1. Stand up or walk occasionally. ...
  2. Exercise your calf muscles and stretch your legs while you're sitting. ...
  3. Talk to your doctor about wearing compression stockings or taking medicine before departure if you have additional risk factors for blood clots.


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?Preventive Measures
  1. Move around as much as possible.
  2. Choose an aisle seat where feasible as this is known to encourage moving around during the journey .
  3. Carry out calf muscle exercises: ...
  4. Try to avoid placing cabin baggage where it can restrict your leg movement.


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