Why do I feel unwell after flying?

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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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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When it comes to combatting airplane germs, there are some ways to reduce your chances of getting sick after flying.
  1. Board The Airplane Last. ...
  2. Keep Your Hands As Clean As Possible. ...
  3. Sanitize The Area Where You're Sitting. ...
  4. Give Your System A Boost. ...
  5. Stay As Hydrated As Possible. ...
  6. Keep Oral Hygiene In Mind.


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In terms of the common cold, it is now well-accepted that acute respiratory infections are frequently experienced after air travel. So it's no surprise when we find ourselves getting sick after flying.

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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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Jet lag symptoms usually occur within a day or two after traveling across at least two time zones. 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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The main aspect of in-flight health that most of us will encounter is tiredness and changes to circadian rhythms. Flying often involves getting up at unsociable hours, inadequate sleep and messing up the body clock — all of which leave us more susceptible to being hit nastily by any bugs that may be floating about.

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Dryness and air pressure changes can affect your ears, sinuses & taste. A 3 hour flight can shed up to 1.5 litres of water from the body. Aeroplane cabin humidity levels as low as 4% can cause the mucous membranes of your nose, mouth and throat to dry out.

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Planes also have very little humidity and the dry air can irritate the mucous membranes of the throat.

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Sinus barotrauma is a tissue injury caused by a rapid change in barometric pressure difference between the intrasinusal air and the surrounding atmosphere. This pathologic condition occurs most commonly in scuba divers and flight passengers subjected to abrupt pressure changes [1].

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Not only does jet lag cause that weary feeling, it can have some flu-like symptoms too. From headaches and nausea, to shivering, some people even suffer gastrointestinal problems.

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Jet belly: (noun) the bloated state in which your stomach inflates post-flight. Also, a very unpleasant feeling. May also make you look like you're 3 months pregnant. So how does one prevent this jet belly? Well, it all depends on what you eat on the plane.

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Introduction. Changes in air pressure during flying can cause ear-drum pain and perforation, vertigo, and hearing loss. It has been estimated that 10% of adults and 22% of children might have damage to the ear drum after a flight, although perforation is rare. Symptoms usually resolve spontaneously.

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