Planning an international trip is exciting. Whether you’re relaxing at an all-inclusive resort, trekking through South America, exploring Southeast Asia, or travelling for business, the last thing you want is to spend your holiday dealing with an upset stomach.

Traveller’s diarrhea is one of the most common travel-related illnesses affecting Canadians abroad. While it’s usually mild, it can quickly disrupt your plans, leave you feeling dehydrated, and, in some cases, require prescription medication or medical care.

The good news? In many cases, you can prevent traveller’s diarrhea by taking simple precautions before and during your trip.

At Virtual Travel Clinic, we help Canadians travel with confidence by providing destination-specific travel health advice, travel prescriptions, and personalized recommendations to help reduce the risk of common travel illnesses before departure.

Whether you’re travelling next week or months from now, preparing ahead can help you stay healthy and enjoy every moment of your trip.

Planning international travel?

Book a travel prescription consultation online or contact our customer support team to receive personalized travel health advice before you leave.

What Is Traveller’s Diarrhea?

Traveller’s diarrhea is a digestive illness caused by consuming contaminated food or water while travelling. It commonly results in loose stools, stomach cramps, nausea, and other gastrointestinal symptoms. Practicing good food safety and water safety travel habits is one of the most effective ways to prevent traveller’s diarrhea.

Why Does Traveller’s Diarrhea Happen?

Traveller’s diarrhea occurs when harmful bacteria, viruses, or parasites enter your digestive system through contaminated food or drinks.

The most common cause is bacterial infection, particularly Escherichia coli (E. coli), although viruses and parasites may also be responsible, depending on where you’re travelling.

Your body may also be exposed to microorganisms that are uncommon in Canada, making illness more likely even if local residents remain healthy.

Fortunately, understanding food safety travel practices and making informed choices can significantly reduce your risk.

Where Is Traveller’s Diarrhea Most Common?

Traveller’s diarrhea can occur almost anywhere, but the risk is generally higher in destinations where food and water sanitation standards differ from those in Canada.

Higher-risk destinations may include:

• Mexico
• Dominican Republic
• Cuba
• Jamaica
• Peru
• Colombia
• Brazil
• India
• Nepal
• Thailand
• Vietnam
• Indonesia
• Philippines
• Egypt
• Morocco

Risk levels vary depending on your destination, accommodation, activities, and the foods you choose.

Even travellers staying at luxury resorts should continue practicing good travel illness prevention habits throughout their trip.

What Are the Symptoms of Traveller’s Diarrhea?

Symptoms often begin within a few days of eating or drinking contaminated food or water, although they can sometimes appear later.

Common symptoms include:

• Frequent loose or watery stools
• Stomach cramps
• Nausea
• Vomiting
• Bloating
• Urgent bowel movements
• Mild fever
• Fatigue

Most cases improve within a few days, but severe dehydration or persistent symptoms may require medical attention.

Who Is Most at Risk?

Anyone can develop traveller’s diarrhea, but certain travellers may be at higher risk, including:

• Families travelling with young children
• Older adults
• Backpackers
• Adventure travellers
• Cruise passengers during shore excursions
• People visiting friends and relatives abroad
• Travellers with weakened immune systems
• Individuals with chronic digestive conditions

Regardless of your travel style, taking preventive steps before you leave can make a significant difference.

Can You Prevent Traveller’s Diarrhea?

While no method can eliminate the risk completely, there are many ways to prevent traveller’s diarrhea and lower your chances of becoming ill.

A combination of smart food choices, safe drinking habits, and destination-specific travel advice provides the best protection.

Food Safety Travel Tips

Food safety plays a major role in preventing travel-related illness.

Choose Food That Is Freshly Cooked

Hot food served immediately after cooking is generally safer than food that has been sitting out at room temperature.

Choose meals that are:

• Cooked thoroughly
• Served steaming hot
• Prepared in clean, busy restaurants
• Made fresh to order whenever possible

Avoid High-Risk Foods

Certain foods carry a greater risk of contamination.

Consider avoiding:

• Raw seafood
• Undercooked meat
• Raw eggs
• Unpasteurized dairy products
• Food from buffets that has been sitting out for long periods
• Food left uncovered outdoors

These choices can help prevent traveller’s diarrhea, especially in destinations where sanitation standards vary.

Be Careful with Fresh Fruits and Vegetables

Fresh produce can be safe if prepared properly.

Choose fruits that you can peel yourself, such as:

• Bananas
• Oranges
• Avocados
• Mangoes

Avoid raw salads or pre-cut fruit if you’re unsure how they were washed or prepared.

Water Safety Travel Tips

Contaminated water is another common source of traveller’s diarrhea.

Practicing good water safety travel habits is just as important as choosing safe foods.

Drink Safe Water

Whenever possible, choose:

• Factory-sealed bottled water
• Boiled water
• Water that has been properly filtered or purified

Always check that bottled water seals are intact before opening.

Watch Out for Ice

Ice may be made from untreated tap water.

If you’re unsure about the water source, it’s safest to order drinks without ice.

Brush Your Teeth with Safe Water

In higher-risk destinations, use bottled or purified water when brushing your teeth.

Although swallowing small amounts of tap water may seem harmless, it can still expose you to bacteria or parasites.

Avoid Swallowing Water While Swimming

Swimming pools are generally well maintained, but lakes, rivers, and untreated recreational water can contain harmful microorganisms.

Try to avoid swallowing water while swimming or participating in water sports.

Simple Daily Habits That Help Prevent Traveller’s Diarrhea

Small everyday habits can go a long way toward reducing your risk.

Remember to:

• Wash your hands regularly with soap and water.
• Carry an alcohol-based hand sanitizer when handwashing facilities aren’t available.
• Wash your hands before eating.
• Wash your hands after using the washroom.
• Keep snacks in clean, sealed containers.
• Avoid sharing water bottles or eating utensils when possible.

These simple routines support both food safety travel and overall travel illness prevention throughout your trip.

Should You Bring Medication Before You Travel?

Packing the right travel health supplies can save valuable time if you become sick while abroad.

Depending on your destination, itinerary, and medical history, your healthcare provider may recommend bringing prescription medication for traveller’s diarrhea to use if symptoms develop.

At Virtual Travel Clinic, our healthcare providers assess your destination, planned activities, and individual health needs to determine whether a prescription is appropriate before you travel.

Having medication available before departure may help you manage symptoms more quickly if you become ill, particularly in destinations where access to healthcare or pharmacies may be limited.

Want to be prepared before you travel?

Book a prescription consultation with Virtual Travel Clinic to discuss traveller’s diarrhea prevention, travel medications, and personalized recommendations for your destination.

When Should You Seek Medical Care?

Most cases of traveller’s diarrhea improve within a few days with rest and hydration. However, some situations require medical attention.

Seek medical care if you experience:

• Severe dehydration
• Bloody diarrhea
• A fever higher than 38.5°C
• Persistent vomiting that prevents you from keeping fluids down
• Severe abdominal pain
• Diarrhea lasting longer than three days without improvement
• Signs of dehydration, including dizziness, confusion, or decreased urination

Young children, older adults, pregnant travellers, and people with certain medical conditions should seek medical advice sooner if symptoms develop.

A Simple Traveller’s Diarrhea Prevention Checklist

Before you leave, take a few minutes to prepare.

• Book a travel health consultation.
• Pack any recommended prescription medications.
• Bring oral rehydration salts.
• Pack an alcohol-based hand sanitizer.
• Choose a safe refillable water bottle if appropriate.
• Review food and water recommendations for your destination.
• Confirm your travel insurance includes emergency medical coverage.
• Save the contact information for local healthcare services at your destination.

These simple steps can help prevent traveller’s diarrhea and make it easier to manage your health while travelling.

Can You Eat Street Food While Travelling?

Street food is an important part of many travel experiences, and it can often be enjoyed safely.

Choose vendors that:

• Prepare food fresh in front of you.
• Serve food piping hot.
• Have a high customer turnover.
• Follow good hygiene practices.
• Keep raw and cooked foods separate.

Avoid vendors where food has been sitting at room temperature or appears improperly stored.

Making informed choices allows you to enjoy local cuisine while supporting travel illness prevention.

Does Traveller’s Diarrhea Always Require Antibiotics?

No.

Many mild cases improve with rest, hydration, and supportive care alone.

However, antibiotics may be appropriate in certain situations, particularly for moderate or severe bacterial traveller’s diarrhea. Whether a prescription is recommended depends on your destination, symptoms, medical history, and individual risk factors.

During your consultation, the healthcare providers at Virtual Travel Clinic can determine whether it is appropriate to carry prescription medication for your trip.

Why Prepare Before You Travel?

Many travellers don’t think about traveller’s diarrhea until symptoms appear.

Planning ahead gives you the opportunity to:

• Learn how to prevent traveller’s diarrhea.
• Understand destination-specific food and water risks.
• Travel with recommended prescription medications when appropriate.
• Feel more confident exploring local restaurants and attractions.
• Reduce the chance of your trip being interrupted by illness.

Preparation is one of the simplest ways to support a healthier travel experience.

Why Choose Virtual Travel Clinic?

Every destination presents different health risks.

At Virtual Travel Clinic, our Canadian healthcare providers review your destination, itinerary, travel style, planned activities, and medical history to provide personalized travel health recommendations before you leave.

We can help with:

• Destination-specific travel advice
• Traveller’s diarrhea prevention strategies
• Prescription medications, when appropriate
• Travel vaccinations
• Malaria prevention
• Motion sickness medications
• Altitude sickness prevention
• General travel health planning

Because appointments are completed virtually, it’s easy to receive expert travel health advice from anywhere in Canada without visiting a physical clinic.

Get Travel-Ready Before You Go

Preparing for international travel doesn’t stop at booking flights and packing your suitcase.

Before you depart:

• Review your destination’s health risks.
• Discuss prescription medications that may be appropriate for your trip.
• Learn how to prevent traveller’s diarrhea through safe food and water practices.
• Make sure you have the travel health supplies you’ll need if illness occurs.

Virtual Travel Clinic makes travel preparation simple with convenient virtual appointments, personalized recommendations, and expert travel health advice designed specifically for Canadian travellers.

Book your prescription consultation online or contact our customer support team today to receive destination-specific recommendations and personalized travel health advice from Virtual Travel Clinic.

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