Travel stacks headache triggers on top of each other: a long flight, a time-zone shift, broken sleep, less water than usual, skipped meals, alcohol, and far more walking than a normal week. For most people the fix is unglamorous — sleep, fluids, food, and an over-the-counter painkiller from a Japanese drugstore.
If you get migraines and have run out of what you normally take, or if a headache isn't behaving like your usual one, a doctor can assess you by video from your accommodation and prescribe if that's appropriate.
Why it's worse on a trip
- Dehydration — easy in a Japanese summer, and easy to miss when you're busy.
- Sleep disruption and jet lag, which are among the most reliable migraine triggers.
- Caffeine at a different time or in a different quantity than you're used to, including withdrawal.
- Skipped or delayed meals while sightseeing.
- Neck and shoulder strain from carrying a bag all day, or an unfamiliar pillow.
- Sensory load: crowded stations, heat, humidity, and long days of noise and light.
Naming the trigger matters, because most of them have an obvious counter-move. A day with more water, a proper meal, and an earlier night resolves more travel headaches than any medication.
What you can buy in Japan
Japanese drugstores sell over-the-counter pain relief — acetaminophen (called paracetamol in many countries, and the ingredient in Tylenol) and ibuprofen are both available under local brand names. Shop by ingredient rather than by brand; our over-the-counter medicine guide explains how, and what to expect from Japanese dosing.
Two cautions. Over-the-counter painkillers taken frequently over many days can themselves start to drive headaches, so daily use across a long trip is worth mentioning to a doctor. And migraine-specific prescription medication isn't sold over the counter here — if that's what you normally take, a drugstore can't replace it.
If you get migraines
Travelers who manage migraines at home usually know their own pattern and what works. The problem on a trip is supply: running out mid-trip, or losing a bag with your medication in it.
A Japan-licensed physician can assess you and, where appropriate, prescribe — though the exact product you take at home may not be available in Japan, in which case the doctor may suggest an equivalent. Bring the packaging, or a photo of it, so the active ingredient and dose are clear. Our guides on continuing home medication and getting a prescription refill cover the practical side.
Seeing a doctor without leaving your room
A video consultation is a reasonable option for a headache that isn't responding to the usual measures, particularly if bright light and movement are the last things you want. Consultations run 9:00–18:00 JST, Monday to Saturday, in English with a Japan-licensed physician, and booking is open at any hour. If a prescription is appropriate it's emailed to you and sent to a pharmacy near where you're staying, often ready in as little as 30 minutes.
What a video call can't do is examine your nervous system in detail or image your head. If your symptoms point toward anything that needs that, the doctor will tell you plainly and direct you to in-person care.
Jet lag, sleep and the first few days
Headaches concentrate in the first days of a trip for an obvious reason: that's when sleep is worst. A flight from North America or Australia lands you in a time zone your body disagrees with, and a headache is one of the first ways it says so.
- Get daylight in the morning on your first days. It shifts your body clock faster than anything else you can do.
- Keep caffeine roughly where it usually sits. Both a sudden increase and an accidental withdrawal cause headaches.
- Eat at local mealtimes even if you're not hungry. Skipped meals are a common and preventable trigger.
- Alcohol on the first night is a false friend — it shortens the time to sleep and worsens its quality.
- Blackout curtains and earplugs help in a city that starts early. Japanese hotels are quiet, but station areas are not.
Screens, posture and a camera bag
Tension headaches on a trip often trace to something mechanical rather than medical: a heavy bag on one shoulder all day, a camera strap, a hotel pillow at the wrong height, hours on a phone map, and long train journeys slumped in a seat. Swapping shoulders, using both straps, and asking reception for a different pillow are unglamorous fixes that work more often than they should.
Keeping a note
If headaches recur across a trip, write down when each one started, what you had eaten and drunk, how you slept, and what helped. It takes a minute and it turns a vague complaint into something a doctor can actually work with — particularly useful if this is new and you have no history to draw on.
Can I buy migraine medication over the counter in Japan?
General painkillers, yes. Migraine-specific prescription medication, no — that requires a prescription from a physician licensed in Japan.
When is a headache an emergency?
A sudden, severe headache unlike any you've had before, or one with fever and a stiff neck, weakness, numbness, difficulty speaking, vision loss, confusion, or a recent head injury. Call 119 rather than waiting.
I ran out of my migraine medication. What now?
A doctor can assess you and prescribe if appropriate. Have the packaging or a photo showing the active ingredient and dose, and mention how long you'll be in Japan.
Could this just be jet lag?
Often, yes — jet lag, dehydration and poor sleep account for a lot of travel headaches. If it settles with rest, fluids and food, that's usually your answer. If it doesn't, get assessed.
