How to Avoid Food Poisoning in Mexico City: A Traveler’s Guide to Safe Eating
Mexico City’s vibrant street food scene and rich culinary culture are unmissable, but navigating food safety can be daunting for visitors. While food poisoning is a common concern, these evidence-based strategies will help you enjoy tacos, tamales, and more without compromising your health.
Prevention Strategies: Key Rules for Safe Eating
1. Master Street Food Selection
Street food is central to Mexico City’s culture, but not all vendors meet hygiene standards. Follow these guidelines:
- Choose busy stalls: Long lines indicate fresh, high-turnover food and local approval36.
- Observe food handling: Avoid stalls where the same person handles raw meat and cooked food or touches money and food without gloves67.
- Check for hygiene: Prioritize vendors with visible hand sanitizer and separate staff for cooking and cash handling6.
- Opt for piping-hot dishes: Heat kills bacteria. Avoid lukewarm items left exposed to open air25.
2. Handle Fruits and Vegetables Carefully
Raw produce is a common source of contamination. To minimize risk:
- Stick to peelable fruits: Bananas, mangoes, and oranges are safer than pre-cut options245.
- Avoid raw salads and salsas: Leafy greens and finely chopped ingredients are harder to clean thoroughly24.
- Use lime juice: Douse raw vegetables or street food with fresh lime, which has natural antibacterial properties5.
3. Prioritize Water and Beverage Safety
Contaminated water is a leading cause of traveler’s diarrhea:
- Never drink tap water: Use bottled or purified water for drinking and brushing teeth45.
- Skip ice cubes: Most ice is made from unfiltered water4.
- Avoid agua fresca: These fruit-based drinks may contain untreated water3.
4. Be Strategic with Restaurant Meals
Even sit-down establishments require vigilance:
- Check online reviews: Look for mentions of food safety in traveler feedback23.
- Avoid buffets: Opt for freshly cooked dishes instead of pre-prepared items sitting under warmers37.
- Steer clear of raw seafood and undercooked meats: Stick to fully cooked proteins47.
5. Practice Personal Hygiene
Your hands are a primary vector for germs:
- Wash hands frequently: Use soap and water before eating, especially after touching surfaces in public areas26.
- Carry alcohol-based sanitizer: Use it when handwashing isn’t possible26.
- Avoid touching your face: Reduce exposure to pathogens picked up from handrails, menus, or money27.
What to Do If You Get Sick
Immediate Response
- Hydrate aggressively: Combat dehydration with bottled water, coconut water, or electrolyte solutions like Electrolit15.
- Stick to bland foods: Try plain rice, toast, or bananas once vomiting subsides14.
- Avoid anti-diarrheal medications: Let your body expel toxins naturally unless symptoms persist1.
When to Seek Help
Contact a doctor if you experience:
Proactive Measures
- Start probiotics early: Begin taking gut-supporting supplements 1-2 weeks before your trip35.
- Pack a health kit: Include rehydration salts, anti-nausea medication, and a water purification filter56.
- Stay sun-smart: Dehydration from heat can mimic food poisoning symptoms—wear sunscreen and drink safe fluids6.
Mexico City’s culinary scene is worth exploring with confidence. By focusing on hot, freshly cooked foods, practicing vigilant hygiene, and heeding local dining patterns, you can savor every bite without fear. When in doubt, let the lime wedges flow—they’re not just for flavor, but for safety too5! 🌮🍋
Did you get food poisoning or have the stomach flu in Mexico City?
Here are a few Gastroenterologists who were recommended by the traveler and expat community in CDMX.

Dra Ome Zitlalli Pérez Gutiérrez
Gastroenterologist
Mexico City
5.0
Dr was kind, knowledgeable, patient and helpful.
Next In-clinic availability
Today

Dr Paul Francisco Dominguez Cardoso
Gastroenterologist
Mexico City
- UNAM graduate
- 7+ years of experience
- Clinic in Roma Sur
Next In-clinic availability
Today

Dra Andrea Enríquez Constantino
Gastroenterologist
Mexico City
- UNAM graduate
- 8+ years of experience
- Clinic in Roma Norte
Next In-clinic availability
Today

Dra Diana Selene Morgan Penagos
Gastroenterologist
Mexico City
- UNAM graduate
- 12+ years of experience
Next In-clinic availability
Fri, May 2

Dra Cinthya Isabel Díaz Valencia
Gastroenterologist
Mexico City
5.0
I really loved the doctor's patience and care to detail. She was very empathetic and seemed extremely informed.
Next In-clinic availability
Today