When is the best time to take a decongestant before flying?

Use an over-the-counter nasal spray. If you have nasal congestion, use a nasal spray about 30 minutes to an hour before takeoff and landing.



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If you start to notice this pressure building, you can try some of these strategies:
  1. Take an antihistamine if needed before your flight. ...
  2. Yawn or swallow during takeoff.
  3. Try chewing a piece of gum or candy during takeoff, if yawning and swallowing don't work for you.


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The impact being in a pressurised aeroplane could have on your symptoms. Whether you have existing chest problems which could mean flying could make your symptoms worse.

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1. About one hour before expected descent, take a decongestant (such as Sudafed- 12hr). 2. About 30 minutes before the flight use a nasal spray (such as Afrin or Neo-Synephrine).

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However, flying is possible for cases of controlled chronic intracranial hypertension. In many cases following treatment and medications, the increased fluid and pressure around the brain is under control and flying is possible, but not completely painless.

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Why does this happen? 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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Try antihistamines: For those with allergy symptoms and air pressure regulation difficulties, medications like Claritin, Zyrtec, or Allegra may be a good option. Antihistamines are often formulated to include decongestants (such as Claritin-D, Allegra-D, and Zyrtec-D).

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