Can you fly if you have flu?

Do not travel if you are sick. If you are sick with flu-like symptoms, do not travel.



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Infectious Diseases
An airline can deny boarding of any passenger who looks unwell, especially if they suspect the passenger might be infectious (infect other passengers).

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The Centers for Disease Control and Prevention (CDC) outlines who might be too under-the-weather to fly—namely, anyone with a fever of 100° F (38° C) or higher and a severe cough, or difficulty breathing, or the kind of stomach sickness that makes a hangover look like a picnic.

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recent operation or injury where trapped air or gas may be present in the body (e.g. stomach ,bowel, eyes, face, brain) severe long term diseases that affect your breathing. breathlessness at rest. unresolved pneumothorax (punctured lung)

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If you fly with a head cold or seasonal allergies, Dr. Pinkston said it's possible you may significantly stretch your eardrum because your Eustachian tubes wouldn't be working properly to equalize pressure. If the stretching of the eardrum is considerable, these problems may occur: Capillaries in the ear break.

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If you or a travel companion gets an injury or sickness that can't be helped with basic first aid or an over-the-counter medicine, seek medical attention right away. Visit Getting Health Care During Travel to learn how to connect with a doctor or medical services during your trip.

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“If you've got inflammation blocking your means of equalizing the pressure, that's going to hurt,” he said. That pain can continue even after your flight as inflammation prevents the pressure from equalizing, Adalja added.

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Most symptoms go away in 4 to 7 days. The cough and tired feeling may last for weeks. Sometimes, the fever comes back. Some people may not feel like eating.

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What to expect with the flu
  • Days 1?3: Sudden appearance of fever, headache, muscle pain and weakness, dry cough, sore throat and sometimes a stuffy nose.
  • Day 4: Fever and muscle aches decrease. Hoarse, dry or sore throat, cough and possible mild chest discomfort become more noticeable. ...
  • Day 8: Symptoms decrease.


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Common side effects of antibiotics include abdominal upsets which also disqualify pilots from flying. It is preferable that the pilot take the antibiotics at least 24 hours before flying in order to be sure that there are no side effects.

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As a general rule, flying with a sinus infection and a congested nose is not advised. Changes in cabin air pressure affect the air inside and outside of your head. As a result, clogged sinuses, which prevent you from equalizing pressure differences, can be excruciatingly painful.

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If you or a travel companion gets an injury or sickness that can't be helped with basic first aid or an over-the-counter medicine, seek medical attention right away. Visit Getting Health Care During Travel to learn how to connect with a doctor or medical services during your trip.

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Bronchitis is a contagious disease, which means that commercial flights can refuse to have you on board. There are several other conditions linked to bronchitis that prevent flying commercially because the change in air pressure is risky for patients.

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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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