How do you prevent DVT on long flights?

?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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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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There has been considerable attention focused recently on the risk of deep venous thrombosis (DVT) associated with air travel. Despite the lack of evidence among air travelers, a single dose of aspirin has been widely recommended as a means of preventing such thrombosis.

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Aspirin? Taking 75mg (a quarter of a normal 300mg tablet) some hours before your flight may reduce your chances of a DVT slightly (but remember that Aspirin can sometimes cause indigestion in people with a tendency to it, if in doubt ask your GP); Special cases.

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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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Anything out of the ordinary within a week or two after a long flight—leg pain, achiness, heaviness in your leg, swelling—could be a blood clot.

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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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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.

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Bajakian recommends you talk to your doctor before taking a flight longer than 4 to 6 hours. In some extremely high-risk cases, she may prescribe a course of low-dose anticoagulation medication for travel.

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These drugs are usually taken shortly before a flight. They include: Anti-anxiety medication, such as diazepam (Valium) or alprazolam (Xanax). Motion sickness medication, such as dimenhydrinate (Dramamine).

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Even if you have healthy veins, long periods of inactivity can cause swelling and discomfort in the legs. Fortunately, compression socks make great travel companions due to their ability to boost circulation.

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Compression socks help deter potential blood clots They work to stimulate circulation in the lower half, which is especially useful during long flights when you're sitting for prolonged periods.

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Graduated compression stockings or socks are usually recommended for flights that last longer than 3 hours, as this is when you will start to suffer physical health issues. For short flights, you only need to wear mild compression socks with a lower compression level.

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