Korean Pharmacy Guide: Buying Medicine in Korea (2026)

Brand names do not cross borders. Ingredient names do.

Say the name of the painkiller you always buy at home and a Korean pharmacist will usually draw a blank. Say acetaminophen or ibuprofen and you are understood immediately. Whether a foreign pharmacy is difficult comes down almost entirely to this one switch.

The catch is that the same ingredient comes in different doses and combinations by country. An ingredient name finds you something close, not something identical.

1. Korean pharmacy (약국) basics

Look for a green cross and the word 약국 (yakguk) — that is a pharmacy. You will find them everywhere in Myeongdong, Hongdae, near subway stations, and clustered around hospitals.

Most operate on weekday daytime hours, and each store sets its own schedule. Many close at night and on Sundays, though some districts have designated late-night public pharmacies.

Like in the US, medicines split into prescription-only (처방전 required) and over-the-counter. For OTC items like painkillers and cold medicine, the standard flow is simple: go to the counter, tell the pharmacist your symptoms, and buy what they recommend.

Not sure what you need? Just describe the symptom. Show your translation app’s screen if you have to — Seoul pharmacists deal with tourists constantly.

2. Nights and Sundays: convenience-store “safe medicines”

Korea has a government-designated list of “safe household medicines” (안전상비의약품) that convenience stores can sell 24/7. The system allows 13 items on paper; as of 2026, about 11 are actually in circulation.

There is a limit: one box per item per purchase. And the selection really is bare-bones — no allergy pills, no famotidine, nothing beyond that short list. Treat convenience stores as a 2 a.m. stopgap, not a substitute for the pharmacy. If symptoms continue, talk to a pharmacist or doctor.

3. Why searching by ingredient name is the safe method

Say “Advil” or “Pepcid” to a Korean pharmacist and you may get a blank look — US brand names often do not travel. But say “ibuprofen” or “famotidine” and you will be understood, because ingredient names are the same worldwide.

One important caveat: the same ingredient does not mean the same medicine. Strength per tablet and added ingredients vary by country and product. The ingredient name is a way to find something close — not proof of an identical drug.

Availability rules differ too. For example, naproxen — the ingredient in Aleve, an everyday OTC pill in the US — is not guaranteed to be sitting on the shelf in the same form in Korea. Ask the pharmacist what is available rather than assuming. That “always confirm with the pharmacist” habit is the whole method.

4. Symptom-by-symptom ingredient table + a Korean phrase

Show the Hangul in this table at the pharmacy counter and you will be understood without speaking a word. A screenshot on your phone works perfectly.

If you want to say it out loud, use this pattern:
“아세트아미노펜 있어요? (ah-seh-teu-ah-mi-no-pen iss-eo-yo?)” = Do you have acetaminophen?

Swap in any Hangul ingredient from the table. Never guess at doses or drug combinations yourself — ask the pharmacist on the spot, every time.

Looking up a drug name and finding an open pharmacy both need data. Sort that out first with the eSIM, SIM and pocket WiFi comparison, and use Naver Map to find the shop.

5. What to bring from home

Any prescription medication you take daily: bring the full trip’s supply from home. Getting the same prescription filled in Korea on short notice is difficult.

A small stash of your usual go-to remedies — the headache pill and antacid you already know — is also worth packing. Reasonable personal-use quantities are normally fine to bring into Korea.

Some medications, including certain psychotropics and controlled substances, are restricted. If you travel with multiple prescriptions, carry documentation (a doctor’s note or printed medication list in English) and check the rules before you fly.

Living here, the pattern I notice is travelers toughing out a headache for two days to avoid an awkward conversation. Don’t. A pharmacy visit costs a few dollars and five minutes, and the screenshot table above does all the talking for you.

The real risk in buying medicine abroad is not failing to communicate but assuming you succeeded. Same ingredient at a different dose is a different medicine.

Frequently asked questions

What do I do if I need medicine at night or on a Sunday?

Go to a convenience store. Korea allows a government-designated list of “safe medicines” (안전상비의약품) to be sold 24 hours at convenience stores — pain relievers, cold medicine, digestive aids and patches, roughly 11 products in circulation as of 2026. You may buy only one box per item, so treat it as first aid rather than a supply run.

Will a pharmacist recognise US brand names?

Usually not. Brand names differ by country, so ask by ingredient instead — acetaminophen is 아세트아미노펜, ibuprofen is 이부프로펜. Showing the Hangul ingredient table on your phone works without speaking any Korean at all.

If the ingredient matches, is it the same medicine?

No. Dose per tablet and any additional ingredients vary by country and product, so an ingredient name is a way to find something close, not identical. Some ingredients are also handled differently — a few that are sold over the counter at home require a prescription in Korea. Confirm with the pharmacist before buying.

What do I actually say at the pharmacy?

“아세트아미노펜 있어요?” (a-se-teu-a-mi-no-pen isseoyo — do you have acetaminophen). Swap in any other ingredient name and the sentence still works. If that feels like too much, showing your symptoms through a translation app is perfectly normal here.

What should I bring from home?

Enough of any daily prescription medication to cover the whole trip — replacing a specific prescription in Korea on short notice is difficult. A small supply of the painkillers and stomach medicine you already trust is worth packing too. Reasonable personal quantities are normally fine to bring in, but some categories such as psychotropic medications are controlled, so carry documentation of your prescriptions if you take several.