flu travel health tips

Overview

Flu (influenza) is a common, contagious respiratory illness caused by influenza viruses. It affects the nose, throat, and lungs, and can make you feel miserable with fever, cough, and body aches. When you travel, you are more likely to come into close contact with many people, so the flu can spread easily in airports, train stations, and hotels.

Flu is very common all over the world. During seasonal outbreaks, millions of people get it every year, and travelers are not immune. Being in busy places like planes, trains, and cruise ships can increase your chance of catching the virus.

Anyone can get the flu, but some people are more likely to have serious complications, including young children, older adults, pregnant people, and those with long-term health conditions like asthma, diabetes, or heart disease.

Symptoms

Common symptoms

• Fever or feeling feverish/chills
• Cough
• Sore throat
• Runny or stuffy nose
• Muscle or body aches
• Headaches
• Fatigue or tiredness

Symptoms in children

• Children may also have vomiting or diarrhea
• They can be fussier or more irritable than usual
• They might breathe faster than normal or have a hoarse cough

Symptoms in older adults

• Older adults may have a lower fever or no fever at all
• They might feel confused or sleepy
• Weakness and dizziness are common, even without a high temperature

Causes

Main causes

• Flu is caused by influenza type A and type B viruses.
• The virus spreads through tiny droplets in the air when an infected person coughs, sneezes, or speaks.
• You can also get the virus by touching surfaces with the flu virus on them and then touching your eyes, nose, or mouth.

Risk factors

• Being in crowded places like airplanes, trains, cruise ships, or tourist attractions
• Not getting a flu vaccine before travel
• Having a weakened immune system
• Being pregnant or having a chronic health condition
• Traveling during flu season (usually winter in temperate regions, and rainy season in some tropical areas)

When to see a doctor

See a doctor urgently if:

• If you have any of the emergency symptoms listed above, call your local emergency number immediately.
• If you are at higher risk of complications (older age, pregnancy, chronic illness) and develop flu symptoms, seek medical care promptly.
• If you are traveling and flu symptoms are getting worse after a few days, see a local doctor.

Book a routine appointment if:

• See a doctor if your symptoms last longer than a week or you are not improving.
• If you have a persistent cough or fever that comes back after going away, make an appointment.
• If you are unsure whether you should travel with flu symptoms, talk to your provider.

Diagnosis

A doctor usually diagnoses the flu based on your symptoms and a physical exam, especially if flu is circulating in the community. Sometimes they may take a swab from your nose or throat to confirm the virus.

Tests that may be done

• Rapid influenza diagnostic test (from a nasal or throat swab)
• PCR test (highly accurate, results may take longer)
• Chest X-ray if your doctor suspects pneumonia

What to expect at your appointment

If you visit a healthcare provider while traveling, they will ask about your symptoms, how long you have been ill, and your travel history. They may recommend rest and fluids or prescribe treatment if needed. Do not expect to be tested unless there is a reason, because treatment is often the same regardless of the result.

Treatment

There is no specific cure for the flu. Treatment focuses on relieving symptoms, staying hydrated, and letting your immune system fight the virus. In some cases, a doctor may recommend antiviral medications, especially if you are at high risk or start treatment early. These are not a substitute for rest and fluids.

Self-care at home

• Rest as much as possible, even if you feel restless.
• Drink plenty of water, broth, or warm teas to stay hydrated.
• Avoid alcohol and caffeine, as these can dehydrate you.
• Use a cool mist humidifier or take a warm shower to ease cough and congestion.
• Gargle with warm salt water to soothe a sore throat (if you are an adult).

Medical treatments

Doctors may prescribe antiviral medicines to reduce the length of the flu and lower the chance of complications. These work best when started within 48 hours of symptoms. Over-the-counter medicines can help with fever, aches, and cough, but do not cure the flu. Always talk to a pharmacist or doctor before taking any medicine, especially while traveling.

Living with this condition

If you get the flu during travel, stay in your accommodation and avoid interacting with other people until you are feeling better and your fever has gone for at least 24 hours without the use of fever-reducing medicine. Keep hydrated and let someone know how you are feeling.

Lifestyle tips

• Get enough sleep to support your immune system.
• Avoid smoking and secondhand smoke.
• Wash your hands often, especially after touching shared surfaces.
• Cover your mouth and nose with a tissue or your elbow when coughing or sneezing.

Diet and exercise

While sick, do not overexert yourself. Gentle movement like walking is fine once your fever is gone, but heavy exercise can make you feel worse. Eat light, easy-to-digest foods like soup, toast, and fruit. When you recover, a balanced diet with vegetables and protein can help you regain strength.

Mental health and emotional wellbeing

Being sick while away from home can feel lonely and stressful. It is normal to feel frustrated or anxious. Stay connected with friends or family by phone or video calls, and remind yourself that most people recover fully within one to two weeks.

Prevention

Yes, the flu is largely preventable. Getting a flu vaccine each year is the best step, especially before travel. You can also practice good hand hygiene, avoid touching your face, and keep distance from people who are sick.

Vaccines

The flu vaccine is recommended for everyone aged 6 months and older, including before travel. It is not 100% guaranteed to prevent flu, but it lowers your risk of severe illness and complications. Talk to your healthcare provider or local pharmacy about getting vaccinated a few weeks before your trip.

Complications

If left untreated

• Pneumonia (a lung infection that can be serious)
• Bronchitis or worsening of asthma
• Ear or sinus infections
• Dehydration
• Worsening of existing health problems like heart failure or diabetes

Long-term outlook

With rest, fluids, and time, most people feel better within one to two weeks. Even if you develop a complication, medical care can help you recover. Taking steps to prevent the flu and seeking help when needed means your chances of a full recovery are excellent.

Find support

External links open third-party websites. Ruqelo Health is not responsible for external content. Listing an organisation does not imply endorsement.