Why is Aerosinusitis so painful?

Aerosinusitis or sinus squeeze is when the intra-sinus pressure (pressure inside the sinus cavity) does not measure up to the surrounding environmental pressure. The difference in pressure irritates the mucous lining of the sinus cavity causing pain and discomfort.



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The increasing pressure leads to sinus pain that can usually be felt around the nose, cheekbones, eyes, and forehead. Bending over may make it worse. When flying, the body has to react to changes in cabin pressure during the flight.

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Some studies suggest that the cabin pressure changes in the airplane, which are more pronounced during takeoff and landing, affects the head and sinuses in a way that triggers a headache. Another possible explanation for AHs is a fear of flying, which can cause stress and anxiety and subsequently trigger a headache.

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Known as aerosinusitis, the inflammation in the paranasal sinus cavities (those are the air-filled spaces that stem from the sides of your nose to between your eyebrows) is caused by a difference in air pressures inside and outside the body.

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