How Korea's Clinic-to-Hospital System Works
Korea's outpatient care is organized in tiers, and knowing which one to walk into saves you hours. A neighbourhood clinic (의원) is a small, often single-doctor practice — general medicine, family practice, ENT, dermatology, and so on — and it's the right first stop for almost anything: a cold, a stomach bug, a sprained ankle, a skin rash. Clinics are everywhere, especially near subway exits and in residential blocks, and most take walk-ins with a short wait.
A hospital (병원) is larger, with more departments and often inpatient beds, and above that sits a general or tertiary/university hospital attached to a medical school — full specialist departments, imaging, surgery, research. Korea's system is built so that smaller clinics handle routine cases and refer upward when something needs a specialist or bigger facility. Walking straight into a large university hospital as a foreign walk-in for something minor is usually the wrong move: you'll typically face a longer wait, more paperwork, and often get triaged back down toward a clinic-level department anyway, since these hospitals are meant to be reserved for complex or referred cases. Start small. Save the big hospital for something a clinic itself refers you onward for, or for a genuine emergency (call 119 — see the companion emergencies guide).
I was not able to verify current referral-letter requirements or how uninsured foreign visitors' costs differ by hospital tier on an official page in this session — ask at the admissions desk before you're seen, since policy and out-of-pocket amounts can vary hospital to hospital.
Pharmacies (약국): Signage, Hours, and the Weekend Gap
Every pharmacy (약국) is marked with a green cross sign, sometimes lit up, which is the fastest way to spot one from the street. Pharmacies cluster around clinics and are common near subway stations and shopping streets. Coverage thins out sharply on Sundays, public holidays, and late at night — plenty of neighbourhoods have no pharmacy open at all outside standard weekday hours. I could not confirm a single standard set of opening hours on an official page in this session, so don't assume a closing time; check a map app for a pharmacy that's actually showing as open before you go, especially on a Sunday evening.
If you need something basic outside pharmacy hours, some convenience stores (CU, GS25, 7-Eleven and similar) stock a small, government-designated category of over-the-counter items sometimes referred to as "safety convenience store medicine" (안전상비의약품) — intended for exactly this after-hours gap. I could not verify the current item list, product count, or which stores carry it on an official Ministry of Food and Drug Safety page in this session, so treat this as "worth checking the counter display at a 24-hour convenience store," not a guarantee — confirm specifics with MFDS (mfds.go.kr) if it matters to you.
Over-the-Counter vs Prescription
Pharmacists sell everyday items — pain relief, cold and allergy remedies, digestive aids, topical treatments — directly over the counter, similar to most countries. Anything stronger, including most antibiotics, requires a prescription (처방전) from a doctor; you generally see the doctor first, then carry the prescription to a pharmacy — often literally next door — to have it filled. One distinctly Korean habit worth knowing: pharmacies commonly dispense medicine pre-sorted into small labelled paper sachets, each holding the pills for one dose at one time of day, rather than handing over an unsorted bottle. It keeps multiple medications straight, but it also means the pills usually aren't in original manufacturer packaging — if you might need to identify a pill later, keep the sachet.
What a Clinic Visit Costs
If you're not enrolled in Korea's National Health Insurance, you pay a self-pay rate that's higher than what an insured local pays, and it varies by clinic and by what's involved — consultation only versus consultation plus tests. I was not able to verify a reliable current figure on an official page in this session, so I won't guess a number here — ask reception for an estimate before you're seen, and keep your itemized receipt (see the insurance section below).
International Healthcare Centers
Several of Seoul's large university hospitals run a dedicated international healthcare centre or international clinic for foreign patients, with staff who coordinate appointments and interpretation. I could not independently verify which hospitals currently operate one on an official page in this session, so search "international health care center" plus the hospital's name before you go, or start with Seoul's official medical-tourism contact point, the Seoul Medical & Wellness Center at 1588-7129 — confirmed as the listed contact on Seoul's official medical tourism portal (medical.visitseoul.net), which offers interpretation and coordination support for foreign patients.
Dentists and Optometry
Dental work and eye exams/glasses are two things a lot of travellers deliberately schedule while in Korea, on the general reputation that Korean dental and optical care is good value against US/UK/Australian prices. I was not able to verify current pricing on an official page in this session, so treat "cheap" as a starting assumption to confirm yourself — get an in-person quote (many dental clinics near shopping districts are used to walk-in foreign patients) before committing, and check that the clinic is comfortable explaining treatment in English.
Travel Insurance and Paperwork
If you plan to claim a clinic or hospital visit on travel insurance afterward, ask the front desk for two things before you leave: an itemized receipt (영수증) and, if relevant, a diagnosis certificate (진단서). Most insurers want the diagnosis certificate to process anything beyond a very small claim, and clinics normally issue one on request, sometimes for a small extra fee. Get both at the time of the visit — chasing paperwork later, especially once you've moved on to another city, is a hassle.