Table of contents

• Sinus Surgery at a Glance
• What Is Sinus Surgery?
• Who Is a Good Candidate for Sinus Surgery?
• What Are the Different Types of Sinus Surgery?
• Why Visit Korea for Sinus Surgery?
• Key Information for International Patients
• Which Are the Best Clinics in Korea for Sinus Surgery?
• Sinus Surgery From Start to Finish
• Alternatives to Sinus Surgery
• How Can I Prepare for Sinus Surgery?
• Aftercare Advice

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Last updated: September 2026

Sinus Surgery at a Glance

• What it does — Endoscopic sinus surgery (ESS/FESS) treats confirmed chronic rhinosinusitis through the nostrils, opening blocked sinus drainage pathways and removing polyps or diseased tissue without an external facial scar or change to nasal shape.
• Best candidates — Candidates usually have at least 12 weeks of bothersome sinus symptoms plus inflammation confirmed by endoscopy or CT despite individualized medical treatment; a headache, facial pressure, or CT finding alone is not enough.
• Surgery and discharge — Routine bilateral ESS commonly takes about 2–3 hours under general anesthesia and is often an outpatient procedure; balloon dilation may be an option for limited disease but cannot treat polyps, fungal disease, osteitis, or bony erosion.
• Recovery timeline — Expect congestion, bloody drainage, pressure, and fatigue during the first 1–3 weeks; many people take about one week off desk work, breathing often improves in 2–3 weeks, and internal healing continues for a month or longer.
• Korea travel plan — Plan to remain in Korea for at least 10–14 days after routine ESS for early endoscopy or debridement, with 2–3 weeks often needed after extensive or revision surgery; do not take a long-haul flight until the operating surgeon clears it.
• Long-term limitation — ESS improves sinus drainage and medication delivery but does not cure the inflammatory tendency behind chronic rhinosinusitis, so saline irrigation, topical anti-inflammatory treatment, ENT follow-up, and polyp surveillance may still be needed.
• Korea-specific check — Verify that the operating hospital itself is registered to treat foreign patients under Korea’s Medical Korea framework and ask about English consent, CT planning, postoperative handover, and home-ENT follow-up; these systems do not prove superior ESS outcomes.

What Is Sinus Surgery?

Sinus surgery usually refers to an operation that opens blocked sinus passages and removes obstructing tissue through the nostrils. It aims to relieve ongoing congestion, drainage, pressure, reduced smell, and recurrent inflammation when chronic sinus disease has not improved enough with medical care. It is a surgical procedure, most often performed with minimally invasive endoscopic instruments.

Who Is a Good Candidate for Sinus Surgery?

• Medically refractory chronic rhinosinusitis — Good candidates have at least 12 weeks of nasal blockage, drainage or postnasal drip, reduced smell, and/or facial pressure, with inflammation confirmed on nasal endoscopy or CT despite individualized medical care.
• Chronic rhinosinusitis with nasal polyps — ESS can remove obstructing polyps and improve access for saline and topical corticosteroid treatment, but polyps can recur and long-term treatment remains necessary.
• Documented focal sinus disease — A fungal ball, mucocele, selected odontogenic sinus disease, recurrent acute rhinosinusitis with demonstrable disease, or a lesion requiring biopsy can justify a different surgical plan.
• Able to complete aftercare — Suitable travelers can remain locally for early postoperative endoscopy, perform saline irrigation, follow medicine instructions, and arrange ongoing ENT care after returning home.

Adult CRS surgery requires symptoms plus objective evidence of inflammation; facial pressure, headache, or a CT finding alone is not enough. The 2025 adult CRS surgical guideline recommends deciding candidacy from symptoms, disease characteristics, quality-of-life impact, prior treatment, and whether expected surgical benefit exceeds nonsurgical care—not CT severity alone. Delay elective surgery for uncontrolled hypertension, diabetes, asthma or cardiopulmonary disease, acute respiratory illness, untreated bleeding disorders, or uncoordinated anticoagulant or antiplatelet use. Pregnancy generally warrants deferring non-urgent surgery; orbital or intracranial infection, invasive fungal disease, suspected tumor, and cerebrospinal-fluid leak need specialist-led care rather than routine medical-tourism scheduling. Severe asthma, aspirin-exacerbated respiratory disease (AERD), cystic fibrosis, immune deficiency, eosinophilic CRS, and recurrent polyps require a specific long-term plan because recurrence and revision risk are higher in some of these groups.

What Are the Different Types of Sinus Surgery?

Sinus surgery ranges from limited endonasal opening of a blocked drainage pathway to extensive surgery for polyps or complex recurrent disease. The extent should match the CT, endoscopy, diagnosis, anatomy, and treatment goal.

• Standard ESS or FESS — Functional endoscopic sinus surgery is the usual operation for refractory CRS. Through the nostrils, the surgeon can perform polypectomy, maxillary antrostomy, ethmoidectomy, sphenoidotomy, or frontal sinusotomy. It normally leaves no external facial scar and does not alter the external nasal shape.
• Limited versus extended ESS — Limited surgery treats documented diseased drainage pathways. Extended or complete ESS opens more sinus cavities when polyps, osteitis, eosinophilic mucin, fungal disease, or broader inflammatory disease requires it.
• Balloon sinus dilation — Balloon sinuplasty widens selected sinus openings with a catheter-mounted balloon and often has a quicker recovery. It is for selected limited disease and does not replace tissue-removing ESS for polyps, fungal disease, osteitis, or bony erosion.
• Revision ESS — This addresses recurrent polyps, scarred or obstructed prior openings, persistent disease, or incompletely treated anatomy after earlier surgery. Previous operative reports and CT images are especially important because revision anatomy is more complex.
• Combined nasal surgery — Septoplasty and turbinate reduction can be added when a deviated septum or enlarged turbinates materially impair nasal airflow or surgical access. They address different anatomical problems and are not automatic parts of ESS.
• Open sinus surgery — Approaches such as Caldwell-Luc surgery are uncommon for routine CRS but remain relevant for selected maxillary sinus disease or anatomy not adequately accessible through the nostrils. Recovery is longer than after routine ESS or balloon dilation.

Why Visit Korea for Sinus Surgery?

Korea has a formal framework for medical institutions that attract foreign patients. This supports practical verification of an institution's foreign-patient registration and service systems before booking. It does not prove that sinus-surgery outcomes in Korea are superior to those in other well-regulated countries.

• Registered-institution framework — Medical Korea's registration system states that registered institutions must meet specified foreign-patient requirements, including medical-malpractice liability insurance. Confirm that the operating institution itself—not only a facilitator—is registered immediately before booking.
• International-patient service evaluation — Korea's voluntary hospital accreditation program for foreign patients evaluates foreign-patient management, interpretation, medication management, infection control, facilities, and patient-safety systems. It is useful for checking systems, not for judging an individual rhinologist's ESS results.
• Pre-travel verification — Ask the prospective hospital whether it can provide rhinology review, fine-cut sinus CT planning, image-guided surgery when indicated, pathology or culture testing, English-language consent, and a written overseas follow-up plan. The available evidence does not establish Korea-specific superiority in ESS complication, revision, or symptom outcomes.

Key Information for International Patients

• Minimum stay — Plan at least 10–14 days in Korea after routine ESS to allow early healing review and the first postoperative nasal endoscopy or debridement. Remain 2–3 weeks, or secure confirmed ENT follow-up at home before departure, after extensive or revision surgery, significant polyps, fungal disease, packing, complications, or combined procedures.
• Flight timing — Do not book a long-haul flight until the operating surgeon clears it. Institutional advice varies from clearance at about 7 days to avoiding flights for 2 weeks; surgical extent, bleeding, packing, skull-base work, and endoscopic findings determine the appropriate interval.
• First-week impact — Expect bloody drainage, pressure, fatigue, congestion, and frequent irrigation. Avoid a packed sightseeing schedule, strenuous walking, gyms, swimming, steep hiking, and activities that raise blood pressure for about 7–14 days.
• Work and recovery — Many patients take about one week away from desk work. Nasal breathing often improves over 2–3 weeks, while internal healing and postoperative cleaning continue for several weeks; extensive ESS and revision surgery take longer.
• Escort and accommodation — Routine ESS is often outpatient surgery, but general anesthesia requires an adult escort to accommodation and overnight availability. Stay near the hospital in a smoke-free setting during the first postoperative week.
• Remote handover — Before leaving, obtain the operative report, CT and endoscopy images if available, pathology or culture results, medicine list using generic names, written aftercare plan, emergency contact, and a letter for the home ENT.

Travel note: There is no evidence-based universal minimum interval for long-haul flying after ESS. The operating surgeon's examination and clearance take precedence over fixed travel dates.

Which Are the Best Clinics in Korea for Sinus Surgery?

Listed below are some of the best clinics in Korea for sinus surgery.

1. THEPLUS Plastic Surgery

For sinus-surgery-related concerns that may overlap with nasal structure, you may value THEPLUS Plastic Surgery’s rhinoplasty-focused approach: Dr. Jeong Jae-yong emphasizes combining nasal function and appearance, while the clinic offers primary and revision rhinoplasty aimed at structural stability and facial harmony. The supplied information does not specify sinus surgery techniques or treatment for sinus disease, so your suitability would need to be clarified in a consultation.

• URL: THEPLUS Plastic Surgery Website
• Location: Gangnam-gu, Seoul
• Nasal expertise:
  • Dr. Jeong Jae-yong and Dr. Kim Taek-kyun have decades of rhinoplasty experience and academic involvement.
  • Revision rhinoplasty is offered for concerns following previous nose surgery, with an emphasis on restoring a stable nasal structure and refined appearance.
  • Dr. Kim is a board-certified plastic surgeon and has authored material on rhinoplasty and revision rhinoplasty.
• Professional contributions:
  • Dr. Jeong authored “Rebuilding Nose: Rhinoplasty for Asians” and has presented at international professional forums.
  • Both surgeons contribute to rhinoplasty education and research through conferences and academic publications.

2. Made Young Plastic Surgery

You may consider Made Young Plastic Surgery when your sinus-surgery inquiry involves nasal structural assessment or prior nasal surgery, as its rhinoplasty service uses 3D-CT analysis of the nasal bones, septum, and asymmetry for planning and offers reconstruction and revision rhinoplasty. The provided information does not describe sinus surgery or treatment for sinus disease specifically, so you should confirm whether your condition can be assessed and treated there.

• URL: Made Young Plastic Surgery Website
• Location: Seocho-gu, Seoul
• Nasal planning and reconstruction:
  • 3D-CT analysis is used to evaluate nasal bones, the septum, and asymmetry for surgical planning.
  • The clinic describes techniques intended to create a stable internal nasal structure and help prevent tip drooping.
  • Services include rhinoplasty, revision rhinoplasty, reconstruction rhinoplasty, and nasal implant removal.
  • Dr. Lee Byeong-hoe is described as having more than 20 years of exclusive rhinoplasty experience, including complex reconstruction and revision cases.
• Safety and aftercare:
  • Full-time board-certified anesthesiologists are listed as on site.
  • A one-to-one anesthesiologist monitoring system and emergency cross-check system are described.
  • The clinic reports a separate aftercare center for post-procedure care.

3. Okay Plastic Surgery Clinic

You may consider Okay Plastic Surgery Clinic if your concerns involve nasal reshaping or a difficult prior nose operation, because it offers nose tip, bridge, and nostril procedures as well as difficult and revision rhinoplasty. The supplied information does not identify sinus surgery techniques, sinus-disease care, or functional nasal treatment, so you should confirm whether it can address your specific sinus diagnosis.

• URL: Okay Plastic Surgery Clinic Website
• Location: Gangnam-gu, Seoul
• Nasal procedures:
  • Rhinoplasty services include nose tip surgery, nose bridge surgery, nostril reduction, and revision procedures.
  • The clinic states that difficult rhinoplasty cases and revision rhinoplasty are available.

Sinus Surgery From Start to Finish

1. Remote enquiry and record review — Send a symptom timeline, prior medicine history, allergy and asthma history, medication and supplement list, CT images in DICOM format where possible, prior operative reports, and pathology or culture results. Confirm whether English-language or virtual consultation is available.
2. Surgeon consultation and candidacy confirmation — The ENT surgeon reviews symptoms, quality-of-life burden, prior treatment, disease phenotype, and imaging. A remote review helps determine whether travel is reasonable, but the operating surgeon must personally confirm the diagnosis, operation, risks, and consent plan.
3. Korea-based assessment — Expect nasal endoscopy and review of existing imaging or a new fine-cut sinus CT for operative planning. The adult CRS surgical guideline supports fine-cut CT when suitable planning imaging is unavailable.
4. Anesthesia and medical clearance — The team reviews heart and lung history, asthma control, bleeding risk, allergies, and medicines. Depending on history and hospital protocol, testing can include blood work, ECG, chest testing, and pregnancy testing where relevant.
5. Operation day — Standard bilateral ESS commonly uses general anesthesia and often takes about 2–3 hours. The surgeon works through the nostrils with an endoscope and instruments to open targeted sinus drainage pathways, remove polyps or diseased tissue, and collect tissue or cultures when needed; navigation use depends on anatomy and surgical extent. Balloon dilation can sometimes be done under local anesthesia.
6. Packing, observation, and discharge — The surgeon may place absorbable packing or a spacer, although this is not required in every case. After recovery-room observation, uncomplicated routine ESS is often discharged the same day; more extensive surgery, serious comorbidity, bleeding, infection complications, or skull-base work can require admission.
7. Early recovery in Korea — Begin saline spray or irrigation according to the surgeon's timing, manage expected drainage and congestion, and attend the scheduled in-person endoscopy. The surgeon removes crusts, clots, or nonabsorbable material when necessary and adjusts steroid rinses, sprays, antibiotics, or pain medicines.
8. Departure and overseas follow-up — Travel only after surgeon clearance. Arrange home-ENT review for continuing endoscopy, chronic rhinosinusitis treatment, polyp surveillance, and management of recurrent symptoms after returning home.

Alternatives to Sinus Surgery

The right alternative depends on whether symptoms arise from inflammatory sinus disease, nasal polyps, structural blockage, or rhinitis. Nonsurgical options avoid anesthesia and surgical risks but often require sustained treatment; surgery can improve drainage and medication delivery but does not cure the inflammatory tendency behind CRS.

Optimized Medical Treatment

• Best for — Mild disease, incomplete medical treatment, or patients whose likely surgical benefit does not outweigh nonsurgical care.
• What it includes — Saline irrigation, intranasal corticosteroid sprays or rinses, treatment of allergic rhinitis, selected short systemic corticosteroid courses, and antibiotics only when clinically indicated.
• Key tradeoff — The CRS surgical guideline advises against one predetermined course or duration of medicines before surgery; treatment should be individualized rather than treated as a fixed hurdle.

Biologic Therapy

• Best for — Appropriately selected severe uncontrolled CRS with nasal polyps and type-2 inflammation, particularly when asthma, eosinophilia, or recurrent polyps complicate care.
• Key tradeoff — Biologics require reliable long-term prescribing, funding, monitoring, and access after returning home. They do not correct every structural obstruction.

Balloon Sinus Dilation

• Best for — Selected patients with limited disease affecting sinus openings and without tissue-heavy disease.
• Key tradeoff — Recovery is often faster than ESS, sometimes allowing routine activity in 24–48 hours, but balloon dilation cannot adequately treat polyps, fungal disease, osteitis, or bony erosion.

Septoplasty or Turbinate Treatment

• Best for — Nasal blockage chiefly caused by a deviated septum, turbinate enlargement, or rhinitis rather than confirmed CRS.
• Key tradeoff — Septoplasty improves structural airflow but does not open diseased sinus drainage pathways; rhinitis surgery targets selected nasal-obstruction mechanisms rather than chronic sinus inflammation.

Observation

• Best for — Mild stable symptoms without urgent infectious, fungal, orbital, neurological, tumor, or skull-base concerns.
• Key tradeoff — Observation is not appropriate for every diagnosis and requires reassessment if symptoms, fever, eye symptoms, or neurological signs develop.

How Can I Prepare for Sinus Surgery?

• Send complete records early — Provide CT images and reports, endoscopy reports, prior surgery records, pathology or culture results, allergy and asthma records, and a concise note from the home ENT. The Korean surgeon can still require a new fine-cut CT.
• Disclose every medicine and substance — List prescriptions, over-the-counter drugs, injectable medicines, vitamins, herbal remedies, recreational substances, and all allergies for both surgeon and anesthesiologist.
• Coordinate blood-thinning medicines — Do not independently stop warfarin, apixaban, rivaroxaban, clopidogrel, aspirin prescribed after a stent, or any antithrombotic medicine. The prescribing clinician, surgeon, and anesthesia team must set an individualized interruption and restart plan.
• Follow bleeding-risk instructions — Many centers ask patients to stop aspirin and NSAIDs such as ibuprofen and naproxen before ESS and avoid bleeding-risk supplements. Exact stop dates depend on the product, dose, reason for treatment, and surgeon's instructions.
• Follow fasting instructions exactly — Use the hospital's written anesthesia fasting schedule for food, clear fluids, and regular medicines. Report a cough, fever, worsening sinus infection, or other acute respiratory illness before travel or surgery.
• Stop nicotine and avoid alcohol — Stop smoking, vaping, and other nicotine exposure well before surgery and throughout healing. Avoid alcohol after anesthesia and while using opioid pain medicine.
• Plan safe logistics — Reserve smoke-free accommodation near the hospital for the first postoperative week, arrange an adult escort for discharge and the first night, and keep flight dates flexible. Do not plan to drive after anesthesia or while using sedating pain medicine.

Travel note: Bring physical and digital copies of medical records, plus enough regular medication for the stay and potential flight delays. Confirm how prescriptions can be filled and how the clinic handles urgent questions outside office hours.

Confirm the operating clinic's specific testing, medicine-stop, fasting, and travel requirements; the treating doctor's individualized instructions take precedence over general guidance.

Aftercare Advice

Early healing depends on protecting the surgical openings, keeping the nose moist with approved saline treatment, and attending postoperative endoscopy even when congestion initially feels worse.

• Irrigation and prescribed medicines — Start saline spray immediately or very soon after surgery and high-volume saline irrigation commonly from the next day, but follow the surgeon's timing if packing, skull-base work, or a cerebrospinal-fluid leak repair changes the protocol. Use steroid sprays or rinses, antibiotics, oral steroids, and pain medicines only as prescribed.
• Bleeding and nasal care — Expect light bloody drainage, crusting, and congestion. Do not blow the nose for about 7–14 days; sneeze or cough with the mouth open, avoid fingers and swabs in the nose, and do not use unapproved sprays or rinses.
• Activity and pressure restrictions — Walk lightly, sleep with the head elevated, hydrate, and avoid heavy lifting, bending, straining, vigorous exercise, swimming, hot environments, and anything that markedly raises blood pressure for about 7–14 days. Do not restart CPAP/BiPAP, anticoagulants, antiplatelets, aspirin, or NSAIDs without explicit approval.
• Follow-up and travel — Attend the first postoperative endoscopy and debridement before leaving Korea whenever possible. Continue long-term ENT care, saline irrigation, and anti-inflammatory treatment after returning home because ESS improves access and drainage but does not eliminate CRS recurrence risk.
• Results and warning signs — Breathing often starts to improve over 2–3 weeks, while internal healing takes about a month or longer. Contact the clinic urgently for persistent brisk bright-red bleeding, fever of about 38.3°C/101°F or higher, escalating pain, severe headache, neck stiffness, repeated vomiting, eye swelling or redness, visual change, or persistent large-volume clear watery nasal drainage; seek emergency care immediately for vision changes, severe bleeding, altered mental status, or breathing difficulty.

Follow the treating doctor's instructions over general advice and contact the clinic promptly when anything appears wrong.