Japan is world-famous for its food culture — the meticulous presentation, the freshness, the sheer variety. For most tourists, every meal is a highlight. But if you’re visiting for the first time, you might have questions: Is it really safe to eat raw fish? Can you trust those runny eggs? What happens if something doesn’t agree with you?
\\n\\n\\n\\nLast updated: March 2026. Medically reviewed by the medical team at SAKURA International Clinic Asakusa.
\\n\\n\\n\\n\\nThis guide answers those questions honestly, so you can eat your way through Japan with confidence — and know exactly what to do if something goes wrong.
\\n\\n\\n\\nFrequently Asked Questions
\\n\\n\\n\\nIs it safe to eat raw fish in Japan as a tourist?
\\n\\n\\n\\nYes, raw fish in Japan is generally very safe. Japan has strict food safety regulations, and restaurants follow rigorous freshness standards. Sushi restaurants receive fish deliveries daily and maintain precise temperature control. The risk of foodborne illness from sushi in Japan is extremely low — estimated at less than 0.01% of meals served.
\\n\\n\\n\\nCan I eat raw eggs in Japan?
\\n\\n\\n\\nYes, raw eggs in Japan are safe to eat. Japanese eggs undergo rigorous washing, inspection, and are stamped with expiration dates specifically for raw consumption. Tamago kake gohan (raw egg over rice) is a beloved breakfast dish. Eggs in Japan are typically safe for raw consumption for about 2 weeks after the pack date.
\\n\\n\\n\\nWhat should I do if I get food poisoning in Japan?
\\n\\n\\n\\nStay hydrated with water or sports drinks like Pocari Sweat (available at any convenience store). For mild symptoms, rest and take OTC stomach medicine. If symptoms include high fever above 38.5°C, bloody stool, or persist beyond 48 hours, visit a clinic immediately. Norovirus and Campylobacter are the most common causes in Japan.
\\n\\n\\n\\nIs tap water safe to drink in Japan?
\\n\\n\\n\\nYes, tap water throughout Japan is safe to drink and meets WHO standards. Japan’s water treatment system is one of the world’s most advanced. You can drink directly from any tap, including hotel bathrooms and public water fountains. In some rural areas, locals prefer bottled water for taste, but safety is not a concern.
\\n\\n\\n\\nAre there common food allergies I should watch for in Japan?
\\n\\n\\n\\nJapan requires labeling of 8 major allergens: wheat, buckwheat (soba), egg, milk, peanut, shrimp, crab, and walnut. However, restaurant menus may not always list allergens. Carry an allergy card in Japanese — free printable versions are available online. Soy, sesame, and fish-based dashi stock are in many dishes and may not be obvious.
\\n\\n\\n\\nIs Japanese Food Safe for Tourists?
\\n\\n\\n\\nThe short answer: yes, Japan has some of the highest food safety standards in the world. The Ministry of Health, Labour and Welfare enforces strict regulations across every stage of the food chain — from farming and fishing to processing, transport, and restaurant kitchens.
\\n\\n\\n\\nJapan consistently ranks near the top globally for food hygiene, and foodborne illness outbreaks are relatively rare compared to many other countries. Restaurants that fail inspections can be closed immediately. Chefs handling raw fish undergo specific training. Refrigeration standards are taken seriously.
\\n\\n\\n\\nThat said, risk is never zero — especially when you’re eating things your digestive system isn’t used to. A few things to keep in mind:
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- Your gut microbiome may respond differently to local bacteria, even benign ones \\n
- Some dishes — particularly those involving raw animal protein — carry inherent risks that good handling only reduces, not eliminates \\n
- If you have a compromised immune system, are pregnant, elderly, or very young, extra caution is always wise \\n
- Language barriers can make communicating allergies or dietary restrictions genuinely difficult \\n
Understanding what’s on your plate — and what realistic risks exist — is the best preparation you can have. So let’s dig in.
\\n\\n\\n\\nRaw Fish and Sushi — What You Need to Know
\\n\\n\\n\\nThis is the question we hear most often: is raw fish safe in Japan? For the vast majority of healthy adults eating at reputable restaurants, the answer is yes. But here’s why — and what the exceptions are.
\\n\\n\\n\\nJapan’s Freshness Management System
\\n\\n\\n\\nJapan’s sushi culture is built on an obsession with freshness. Fish is typically auctioned at markets like Toyosu in the early hours of the morning, delivered to restaurants the same day, and served within hours. The cold chain — from sea to kitchen — is tightly controlled.
\\n\\n\\n\\nSushi chefs train for years specifically to assess fish quality by sight, smell, and texture. Licensed restaurants are inspected regularly. This isn’t just tradition — it’s infrastructure designed to make raw fish safe.
\\n\\n\\n\\nThat said, not all sushi is created equal. A high-end omakase counter and a convenience store packaged sushi operate under very different conditions. Both are regulated, but your risk profile is different at each.
\\n\\n\\n\\nAnisakis: The Parasite Risk You Should Know About
\\n\\n\\n\\nAnisakis is a parasitic worm found in some wild-caught fish — particularly mackerel (saba), salmon, herring, and squid. In Japan, anisakiasis (infection from swallowing a live larvae) is actually the most commonly reported food-related parasitic illness.
\\n\\n\\n\\nSymptoms typically appear within hours to a day of eating infected fish and can include:
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- Sudden, severe stomach pain — often described as stabbing or cramping \\n
- Nausea and vomiting \\n
- In some cases, the larvae can cause an allergic reaction \\n
Restaurants reduce this risk by freezing fish at -20°C for 24 hours or more (which kills larvae), or by skilled visual inspection. However, freezing isn’t always required by law for all fish types, and visual inspection isn’t foolproof.
\\n\\n\\n\\nIf you develop sharp abdominal pain after eating raw fish, see a doctor promptly. Anisakiasis is treatable — often by endoscopic removal of the larvae — and is rarely dangerous when caught early. You can read more about symptoms and when to seek help on our stomach, diarrhea and vomiting page.
\\n\\n\\n\\nRaw Eggs in Japan — Are They Really Safe?
\\n\\n\\n\\nIf you’ve ordered tamago kake gohan (raw egg over rice), dipped sukiyaki ingredients into a raw beaten egg, or noticed runny yolks appearing everywhere in Japanese cuisine — you’re not imagining it. Raw egg consumption is completely normalized in Japan, and most visitors are surprised to find it’s genuinely safe.
\\n\\n\\n\\nWhy Japanese Eggs Are Different
\\n\\n\\n\\nJapan has implemented strict salmonella control measures throughout its egg production system. This includes:
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- Regular testing of laying hens and flocks for salmonella \\n
- Mandatory washing, drying, and UV sterilization of eggs before sale \\n
- Refrigerated storage and transport throughout the supply chain \\n
- Short sell-by dates (eggs are typically consumed within 2–3 weeks of laying) \\n
The result is that Japanese eggs have a salmonella contamination rate dramatically lower than many other countries. Most eggs consumed raw in Japan are perfectly safe for healthy adults.
\\n\\n\\n\\nWhen to Exercise Caution
\\n\\n\\n\\nEven with excellent safety standards, raw eggs are not risk-free for everyone. You should be more cautious if you are:
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- Pregnant \\n
- Immunocompromised (e.g., undergoing chemotherapy, living with HIV, taking immunosuppressants) \\n
- Elderly or very young \\n
- Someone with a history of egg allergy \\n
Also worth noting: this safety profile applies specifically to eggs purchased and consumed in Japan under Japanese cold chain standards. Once eggs leave the refrigerated system — say, sitting out at a summer festival stall for hours — the calculus changes.
\\n\\n\\n\\nFood Allergies in Japan
\\n\\n\\n\\nNavigating food allergies in Japan can be genuinely challenging — not because restaurants are careless, but because of the language barrier. This is one area where preparation really matters.
\\n\\n\\n\\nJapan’s Allergen Labeling System
\\n\\n\\n\\nJapan requires packaged food products to clearly label 8 mandatory allergens:
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- Eggs (卵, tamago) \\n
- Milk (乳, nyū) \\n
- Wheat (小麦, komugi) \\n
- Buckwheat (そば, soba) \\n
- Peanuts (落花生, rakkasei) \\n
- Shrimp (えび, ebi) \\n
- Crab (かに, kani) \\n
- Walnuts (くるみ, kurumi) — added in 2023 \\n
An additional 20 items are “recommended” for labeling but not mandatory — including almond, sesame, cashew, kiwi, banana, and beef. So if you have an allergy to one of these, you cannot rely on labeling alone.
\\n\\n\\n\\nCritical Warning: Labels Are in Japanese Only
\\n\\n\\n\\nAll allergen labeling is in Japanese. There is no legal requirement to provide English translations, and most packaged foods and restaurant menus will not have any.
\\n\\n\\n\\nThis is a real risk. A tourist who is severely allergic to shellfish, for example, may not realize that a sauce or seasoning contains shrimp paste.
\\n\\n\\n\\nOur strong recommendation: carry an allergen card in Japanese. These are cards that clearly state your allergies in written Japanese, which you can show to restaurant staff. You can find printable versions online, or have one made before your trip.
\\n\\n\\n\\nSome practical tips for managing allergies in Japan:
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- Learn the Japanese word for your allergen and how it appears on labels \\n
- Use allergen cards consistently — even at restaurants that seem tourist-friendly \\n
- Be aware that “no meat” does not mean “no fish stock” (dashi) in Japan — many vegetarian dishes contain fish \\n
- Carry your usual allergy medication, including antihistamines and epinephrine if prescribed \\n
- If you have a severe allergy and experience a reaction, seek medical attention immediately — our clinic can provide assessment and treatment in English \\n
Common Causes of Food Poisoning in Japan
\\n\\n\\n\\nEven in a country with excellent food safety standards, food poisoning happens. Understanding what typically causes it in Japan can help you recognize the risk — and know what you’re dealing with if symptoms appear.
\\n\\n\\n\\nNorovirus
\\n\\n\\n\\nNorovirus is the most common cause of food poisoning in Japan, particularly in winter (December through March). It spreads through contaminated food — often raw or undercooked shellfish like oysters — and through person-to-person contact.
\\n\\n\\n\\nSymptoms typically begin 12–48 hours after exposure and include sudden nausea, vomiting, diarrhea, and stomach cramps. Most people recover within 1–3 days with rest and hydration. However, dehydration can become serious, especially in young children and the elderly.
\\n\\n\\n\\nCampylobacter (Raw Chicken)
\\n\\n\\n\\nJapan has a unique dish called torisashi or toriwasa — thin slices of raw chicken served as sashimi. While considered a delicacy in certain regions, raw chicken carries a real risk of campylobacter infection, a bacterial illness that can cause severe diarrhea, fever, and abdominal pain lasting up to a week.
\\n\\n\\n\\nThe Japanese government has issued warnings about raw chicken, and it’s one food safety risk where the caution is clear: if you have any health concerns, it’s better to skip it.
\\n\\n\\n\\nAnisakis
\\n\\n\\n\\nAs discussed above, anisakis is the main parasite risk from raw fish in Japan. Sudden, intense stomach pain after a sushi or sashimi meal is a red flag — seek medical attention if this happens.
\\n\\n\\n\\nHistamine Poisoning
\\n\\n\\n\\nHistamine poisoning (also called scombroid poisoning) can occur when certain fish — particularly tuna, mackerel, and sardines — are not stored at the correct temperature after being caught. Bacteria convert histidine in the fish to histamine, which is heat-stable and cannot be cooked away.
\\n\\n\\n\\nSymptoms appear rapidly — usually within 30 minutes of eating — and include flushing, rash, headache, nausea, and a tingling sensation around the mouth. It can mimic an allergic reaction and is sometimes mistaken for one. It’s usually mild and self-limiting, but antihistamines can help.
\\n\\n\\n\\nWhat to Do If You Get Food Poisoning in Japan
\\n\\n\\n\\nGetting food poisoning abroad is stressful — especially when you’re not sure where to go or how to communicate. Here’s a clear guide to help you through it.
\\n\\n\\n\\nFirst Steps: Home Care
\\n\\n\\n\\nFor mild food poisoning, the immediate priority is staying hydrated. Vomiting and diarrhea cause fluid loss quickly, and dehydration can escalate an otherwise manageable situation.
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- Sip water, clear broth, or oral rehydration solution (available at Japanese pharmacies as 経口補水液, keikō hōsuieki) \\n
- Rest and avoid solid food until nausea settles \\n
- Once tolerated, ease back in with bland foods — plain rice (okayu/congee is widely available in Japan) is ideal \\n
- Avoid dairy, fatty foods, caffeine, and alcohol until fully recovered \\n
When to See a Doctor
\\n\\n\\n\\nPlease seek medical attention if you experience any of the following:
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- Symptoms that aren’t improving after 24–48 hours, or are getting worse \\n
- Signs of dehydration: extreme thirst, dark urine, dizziness when standing, dry mouth, confusion \\n
- Blood in vomit or stool \\n
- High fever (38.5°C / 101.3°F or above) \\n
- Severe or sharp abdominal pain (possible anisakis or appendicitis) \\n
- Neurological symptoms: vision changes, difficulty swallowing, muscle weakness (rare, but can indicate botulism) \\n
- You are pregnant, elderly, immunocompromised, or have a child under 2 who is ill \\n
Don’t wait too long if you’re unsure. It’s always better to get checked. A doctor can determine whether you need IV fluids, antiparasitic medication, antibiotics, or other treatment — and a medical certificate can also support travel insurance claims if needed.
\\n\\n\\n\\nFor a full guide to symptoms, causes, and when to seek care for stomach problems in Japan, visit our stomach, diarrhea and vomiting page.
\\n\\n\\n\\nPractical Tips for Getting Medical Help as a Tourist
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- Look for a clinic that offers consultations in English — this makes accurate diagnosis much easier \\n
- Bring your travel insurance information and passport \\n
- Note down what you ate and when symptoms started — this helps the doctor narrow down the cause \\n
- If you take any regular medications, bring them or a list of what you take \\n
Related Pages
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- Stomach Pain, Diarrhea & Vomiting in Japan — When to See a Doctor \\n
- Allergic Reactions, Rash & Itching — Getting Help in Japan \\n
- Japan Pharmacy Phrase Card — What to Say at the Drugstore \\n\\n
- Norovirus in Japan: The Winter Stomach Bug \\n
- Anisakis Alert: What to Know About Raw Fish \\n\\n\\n
- Stomach Problems in Japan: Complete Guide \\n\\n
Need Help? We’re Here for You.
\\n\\n\\n\\nSAKURA International Clinic Asakusa is open every day, 9:00–17:00, just one minute from Asakusa Station. Walk-ins welcome. All consultations in English.
\\n\\n\\n\\n\\n\\n\\n\\nComprehensive consultation: ¥55,000 (includes exam, prescription, basic tests, and medical certificate if needed).
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