Guides · 救急 · kyūkyū
Fever at 2 a.m. — Emergency and After-Hours Care in Japan
It is late, something is wrong, and the clinic you normally use closed at six. This is the situation in which Japan's healthcare system feels least navigable to foreign residents — and, unhelpfully, the situation in which you have the least patience for figuring it out.
Read this once now, before you need it.
Call 119 immediately for these
Do not weigh this up, do not look for a clinic, do not drive. Dial 119 (fire and ambulance) if there is:
- Chest pain or pressure, especially with sweating, nausea, or pain spreading to the arm or jaw
- Sudden weakness or numbness on one side of the body, a drooping face, or sudden difficulty speaking — the signs of stroke, where minutes change the outcome
- Difficulty breathing, or lips and face turning blue
- Loss of consciousness, or a seizure lasting more than about five minutes
- Severe bleeding that will not stop with pressure
- A serious fall, road accident, or head injury with vomiting or confusion
- In a baby under three months: any fever of 38°C or above
Ambulances in Japan are free of charge and dispatched by the fire department. Some hospitals now levy a fee for arriving by ambulance without a genuine need, but this should never deter you from calling in the situations above. The system would far rather take you unnecessarily than arrive too late.
The operator will ask, in Japanese, kaji desu ka, kyūkyū desu ka — "fire or ambulance?" Answer "kyūkyū" (救急). Then give your address. If your Japanese is limited, say "eigo onegaishimasu" (English please) — many dispatch centres have three-way interpretation available, though the speed of it varies by region.
Have your address written in Japanese somewhere findable, on a note by the door or in your phone. In an emergency, at night, this single piece of preparation matters more than any language ability.
The two advice lines worth saving
For everything that is worrying but not obviously an emergency, Japan runs two nurse-staffed telephone lines. Both are free.
#7119 — adult emergency advice. A nurse assesses your symptoms and tells you whether to call an ambulance, go now to an emergency hospital, or wait until morning. They can also tell you which facility near you is open tonight. Coverage is good in Tokyo, Osaka and most large cities, though not yet universal across every prefecture.
#8000 — children's after-hours advice. Nationwide. A nurse or paediatrician advises on whether a child needs to be seen tonight. This is the number to have in your phone if you have children in Japan; it routes to your prefecture's service automatically.
Both lines operate primarily in Japanese. Many prefectures also run a separate multilingual medical hotline — worth finding your own prefecture's number in advance and saving it alongside these.
Fever in a child: the practical thresholds
The question that generates more 2 a.m. anxiety than any other. General guidance, not a substitute for assessment:
Go now if the child is under three months with any fever; is breathing rapidly, grunting, or drawing in between the ribs; is unrousable, floppy, or inconsolable; has a rash that does not fade when pressed with a glass; has had a seizure; or is showing signs of dehydration — no wet nappy for many hours, no tears, dry mouth.
It can usually wait for morning if the child is drinking, has wet nappies, and — the single most reassuring sign — plays or interacts normally in the periods when the fever comes down. A high number on the thermometer matters far less than how the child looks and behaves.
When unsure, call #8000. That is what it exists for, and nobody will think you have wasted their time.
Where to actually go at night
Japan sorts after-hours care into rough tiers:
- 休日夜間急患センター — municipal after-hours clinics for minor problems. Cheapest and least crowded, but limited hours and no advanced testing.
- 二次救急病院 — hospitals on the night rota for admissions and moderate emergencies. Ambulances go here.
- 三次救急・救命救急センター — tertiary trauma and critical care centres, for the most serious cases.
Which are open tonight rotates by date, which is why calling #7119 or checking your city's emergency medical information page is faster than searching for a nearby hospital and hoping.
Expect an after-hours surcharge (時間外加算) on top of your usual 30% co-payment. It is modest — typically a few thousand yen — and it should not factor into a decision about a genuine emergency. Bring your insurance card. If you do not have it with you, you may be asked to pay in full and claim back later; go anyway.
Two habits worth building
Have a daytime clinic before you need a night one. Almost everything is handled better, faster and more cheaply by an ordinary clinic in the morning than by an emergency department at midnight. The after-hours system in Japan is genuinely designed for emergencies, and using it for routine problems gets you a short assessment and instructions to see your regular doctor tomorrow.
Know that emergency departments will not refill your prescriptions or manage chronic conditions. If you are running low on a regular medication, that is a weekday clinic problem — do not let it become a Sunday night one.
General guidance for a common situation, not medical advice for your specific case. When something feels seriously wrong, act on it: call 119.