How to Avoid Traveler’s Diarrhea While Visiting Thailand

"Boil it, cook it, peel it – or leave it!"

Traveler’s diarrhea is one of the most common health concerns for visitors to Thailand. Studies show that 14% of travelers develop diarrhea within the first week of their trip, increasing to 23.5% by the second week, with symptoms typically appearing around nine days after arrival. While most cases are mild, 1.5% of affected travelers require hospitalization, and 11.3% have to alter their travel plans due to illness It is usually caused by consuming contaminated food or water and can lead to dehydration, fatigue, and discomfort. While most cases are mild and resolve within a few days, preventing traveler’s diarrhea is always better than treating it. Here’s how you can stay safe and enjoy your trip without interruption.

1. Be Careful with Food Choices

Thailand is famous for its delicious street food, but not all food stalls maintain the same hygiene standards. To reduce your risk:

• Choose stalls that are busy with locals—freshly prepared food is safer.

• Avoid raw or undercooked meats, seafood, and eggs.

• Eat fruits you can peel yourself, such as bananas and mangoes, to avoid contamination.

• Be cautious with salads and raw vegetables, as they may be washed with untreated water.

2. Drink Safe Water

Tap water in Thailand is not safe for drinking. Stick to these precautions:

• Drink bottled or filtered water; ensure the seal is intact before purchasing.

• Avoid ice unless you are sure it’s made from purified water.

3. Maintain Good Hand Hygiene

Hand hygiene is essential in preventing infections. Always:

• Wash hands with soap and water before eating and after using the restroom.

• Carry hand sanitizer (with at least 70% alcohol) for times when soap and water aren’t available.

4. Know When to Seek Medical Help

Mild traveler’s diarrhea typically resolves on its own with rest and hydration. However, seek medical attention if you experience:

• Severe dehydration (dizziness, dry mouth, infrequent urination)

• High fever or persistent vomiting

• Bloody diarrhea or severe abdominal pain

• Symptoms lasting more than 3 days

Quick Tips

"Boil it, cook it, peel it – or leave it!" Stick to freshly cooked foods, drink only bottled water, and avoid raw or undercooked dishes. Pack oral rehydration salts (ORS) to stay hydrated if diarrhea occurs. If you need medical care, Chiang Mai Wellness Clinic provides professional treatment with experienced doctors to help you recover quickly and get back to enjoying your trip. By following these precautions, you can enjoy your travels in Thailand worry-free. Safe travels!