It is eleven at night, your head is pounding, and every green cross on the street has gone dark. Getting medicine from a pharmacy in Korea at that hour is not a language problem — it is a legal one. The shelves that stay lit after closing time are stocked from a list the government wrote, and that list has thirteen things on it.
I went looking for the English version of the tool that tells you which shop is open on a Sunday. There isn't one. That single missing page reshaped most of what follows.

The thirteen items a convenience store may sell you
Korea lets ordinary shops sell a narrow set of medicines under a category called 안전상비의약품, roughly "safe household medicines". The rule sits in Article 44-2 of the Pharmaceutical Affairs Act, which lets the Minister of Health designate up to twenty products — mild, self-judgeable, familiar.
Twenty is the ceiling. The Ministry of Health and Welfare has designated thirteen, and those thirteen are the only medicines you can buy without walking into a pharmacy in Korea.
They fall into four groups: fever and pain relief (the Tylenol family, including children's suspension and a children's ibuprofen syrup), digestive tablets, two cold remedies, and two medicated patches. That is the entire non-pharmacy universe.
Two limits catch people out. A shop may sell you one package per visit — not two boxes of painkillers, one — and it may not sell to anyone under twelve, elementary school pupils included. Both come from Article 28 of the Act's Enforcement Rule, not from a nervous clerk.
The shop itself has to be registered with the local district office and be open twenty-four hours, year-round. That is why the list lives in convenience stores and nowhere else. Not every branch stocks all thirteen, so the small shelf behind the counter may be thinner than the official list suggests.

What only a pharmacy in Korea can hand you
Everything past those thirteen items is pharmacy territory, and the counter staff can recommend an over-the-counter product once you describe the problem. The useful thing to know is that the prescription line sits in a different place than it does at home.
The clearest example runs opposite to what most visitors expect. In Korea, regular oral contraceptives are sold over the counter, while emergency contraception requires a doctor's prescription — the reverse of the arrangement in much of Europe and North America. The drug safety ministry reviewed that classification and chose to keep it as it stands, so it is not a quirk of one shop.
Antibiotics are prescription-only, as are sleep medications. If the thing you take at home is behind a counter here, no amount of explaining will move it; a pharmacy in Korea cannot dispense it without a doctor's sheet, and getting one means a clinic visit.

Sunday, and the finder tool nobody translated
The Korean Pharmaceutical Association runs a site whose entire purpose is answering which pharmacy in Korea is open right now — 휴일지킴이약국, the holiday-duty pharmacy finder. You can search by map, by district, or by name, and it also lists the late-night public pharmacies.
It has no language switcher at all. I checked the page for one; there is nothing to click.
The national emergency medical portal, E-Gen, does have an English site. It is an institutional brochure — the centre's mission, its statistics work, its helicopters. The part that actually finds an open pharmacy near you is on the Korean side only.
So the honest advice is unglamorous. Use the Korean finder anyway, because the map is a map and the pins work without reading anything.
Ask the front desk where you are staying. Or call 1330, the tourism hotline that provides interpretation, and let someone else read the screen for you.

Bringing your own medicine into the country
One rule genuinely surprised me while checking sources. If what you carry is a controlled substance — a narcotic or psychotropic medicine, which in many countries includes common ADHD and anxiety prescriptions — you are supposed to obtain approval from the Ministry of Food and Drug Safety before you arrive. The ministry states plainly that this applies to anyone entering with self-treatment narcotics, Korean nationals and foreigners alike.
Applications go through the drug safety portal, and the ministry publishes an English user manual for it — the one piece of this system that was translated. This is about controlled medicines, not the ibuprofen in your wash bag.
If you are not sure which category your prescription falls into, check before you fly rather than at the airport, where the answer arrives too late to be useful.
Working out where to go, by the hour
| Where | Hours | What you can get |
|---|---|---|
| Convenience store | 24 hours | 13 listed items, one pack |
| Pharmacy | Daytime, most closed Sunday | All non-prescription medicine |
| Clinic | Weekday hours | Prescriptions |
During the day, walk into anything marked with a large 약. That single character is the sign for a pharmacy in Korea; you do not need to spot the English word.
Evenings and Sundays, open the holiday-duty finder above, or look for a shop advertising itself as a 공공심야약국 — the publicly funded late-night pharmacies, which exist but do not cover every district.
Overnight, it is the convenience store and those thirteen items, or it waits until morning.
Four phrases cover most counters. 감기약 주세요 (cold medicine, please), 두통약 주세요 (headache medicine), 소화제 주세요 (something for indigestion), and 처방전 없이 살 수 있나요? (can I buy this without a prescription?). Pointing at the sore spot works about as well.
If you hit a wall — the medicine needs a prescription, or nothing is open — the fallback is a clinic the next morning with your passport and, if you have it, your travel insurance details. Save 1330 for interpretation. Keep 119 for genuine emergencies; that is a separate decision tree, and I have written it out elsewhere.
One thing I could not confirm: whether pharmacies reliably accept foreign-issued cards. I found no official statement either way, so carry a little cash as a fallback rather than trusting a machine at midnight.
Wrapping Up
The system is more generous than it first looks and less flexible than you might hope. Thirteen items are always within reach; everything else runs on Korean opening hours and a Korean-language map. Knowing which of those two situations you are in is most of the battle.
This is a guide to finding and buying medicine, not medical advice. Ask the pharmacist, and see a doctor if the answer matters.
Photo credit 2020-03-26 15.32.26 pharmacy in Hoengseong.jpg — Choi Kwang-mo, CC0 (Wikimedia Commons, https://commons.wikimedia.org/wiki/File:2020-03-26_15.32.26_pharmacy_in_Hoengseong.jpg) · GS25 Dalseo-yucheon branch 20161009 155638.jpg — LERK, CC BY-SA 4.0 (Wikimedia Commons, https://commons.wikimedia.org/wiki/File:GS25_Dalseo-yucheon_branch_20161009_155638.jpg)