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What is FESS (Sinus Surgery)?

Functional Endoscopic Sinusitis Surgery or FESS is the most advanced sinus surgery that improves structural anomalies within the nose that were leading to chronic sinusitis and associated breathing problems. FESS is recommended to patients experiencing painful sinus symptoms or chronic sinusitis. Sinusitis needs to be treated at an early stage through medications and other medical interventions.

USFDA-Approved Procedure

USFDA-Approved Procedure

Support in Insurance Claim

Support in Insurance Claim

No-Cost EMI

No-Cost EMI

Same-day discharge

Same-day discharge

Pristyn Care Clinics


know-more-about-FESS Surgery-in-Mysore
  • Complete or partial loss of the sense of smell
  • Brain Abscess / Meningitis
  • Diminished or double vision
Why Painless Treatment?
  • No Pain | No Stitches | No Scars
  • 30 - 45 min Procedure
  • 24hr Hospitalization
  • Faster recovery with no pain
Don’t Delay Advanced Treatment
  • Get fast recovery treatment
  • Fewer chances of complication
  • Best healthcare experience
Why Pristyn Care?
  • All Insurances Covered
  • Highly Experienced Surgeons
  • Free follow-ups post-surgery
  • 100% insurance claim
  • Expertise in a minimally invasive procedure
Hassle-free Insurance Approval
  • All Insurances covered
  • No upfront payment
  • No running after insurance authorities
  • Paperwork by Pristyn team on your behalf
Doctor-performing-FESS Surgery-in-Mysore



The ENT specialist will diagnose sinusitis based on the symptoms, medical history, and a simple physical examination of the patient. The doctor will ask about your symptoms and how long they last, look into your ears, nose, and throat, and may tap or press on your face to test for tenderness over specific sinuses.


The modern and most advanced sinus treatment is minimally invasive where sinus air cells are opened under direct visualization. The surgeons use a small camera called an endoscope allowing the surgeons to complete the procedure using detailed image guidance. FESS is a minimally invasive technique where the complete procedure is performed using detailed image guidance. The procedure does not leave scar tissue and is painless.

Why Choose Pristyn Care For FESS?

Best ENT Clinics For Functional Endoscopic Sinus Surgery


Advanced Surgery Using A Debrider

At Pristyn Care, you can avail advanced sinus surgery with a microdebrider for better results and quicker recovery with low chances of recurrence.


Experienced ENT Surgeons

At Pristyn Care, we have ENT surgeons with 8-10 years of experience in performing advanced FESS surgery with successful results.


Over 95% Success Rate

FESS surgery at Pristyn Care has a success rate of over 95%, thanks to our advanced treatment facilities, expert surgeons, and state-of-the-art treatment centers.


Consultations With Diagnostic Endoscopy

At Pristyn Care, you can avail pre and postoperative consultations along with diagnostic endoscopy for diagnostic confirmation and treatment planning. You will also receive follow-up checkups with your ENT surgeon after surgery.

Frequently Asked Questions

What are the advantages of modern endoscopic sinusitis treatments?

  • Fewer complications;
  • Less pain;
  • Less bleeding;
  • Less removal of tissue;
  • No external scarring;
  • Minimal discomfort;
  • Positive, long-lasting results

What are the diet instructions after surgery?

The patient should eat bland foods such as:

  • Warm porridge;
  • Mashed potato;
  • Steamed vegetables;
  • Low-fat yogurt;
  • Cut up fruits, etc.

They should also drink plenty of water to promote their recovery.

How long the procedure can take?

The modern surgical treatment may take from 30 to 45 minutes as per the extent of surgery. The procedure is daycare treatment and the patient can leave for home within 24 hours of the surgery.

What about pain relief in Sinus?

FESS is the most advanced treatment for sinusitis. It offers instant relief from the symptoms. You may have mild throat pain or discomfort after the treatment. You can get pain relief from drinking ice water.

What are the risks of untreated sinus?

It can lead to serious complications around the eyes. They can cause redness, or swelling around the eyes, sometimes, reduced vision, and even lead to blindness. In rare cases, it can infect the rear center of the head and can spread to the brain. This can be life-threatening for anyone.

What are the complications of FESS?

Although rare, there are certain side-effects of endoscopic sinus surgery, such as:

  • Failure to resolve the symptoms
  • Recurrence of the initial sinus problem
  • Hemorrhage
  • Chronic nasal drainage
  • Operative damage to the eyes or base of the skull
  • Pain
  • Reduced or complete loss of sense of taste or smell
  • Empty nose syndrome

In case you are experiencing heavy bleeding from the nose, high fever, sharp pain in the head, or increased swelling of the nose with clear fluid drainage (CSF leakage), you should contact your ENT doctor immediately.

How long does it take to complete FESS surgery?

Generally, a FESS procedure lasts for about 2-2.5 hours, although this time range can vary a lot depending on which sinuses are infected and how much the infection has spread.

What are the recurrence rates for sinusitis after sinus surgery?

Sinus issues can be very persistent, i.e., they can easily return even after sinus surgery, however, their recurrence rates are highly variable and depend on the patient themselves. According to research conducted by BMC (BioMed Central), the recurrence rates for sinusitis after FESS ranges from 4% to 60%, with a median of 20% over a two-year period.

Should I get a septoplasty in addition to FESS to prevent the recurrence of sinusitis?

Yes, if you have a badly deviated septum or a nasal septum perforation, then septoplasty may be necessary to prevent chronic sinusitis. However, if that is not the case, then septoplasty may not benefit you too much in preventing recurrent sinus infections.

What lifestyle changes can I make to prevent the recurrence of sinusitis?

10 tips you can follow to avoid the recurrence of sinus infections are:

  • Avoid upper respiratory infections. Do not have physical contact with people who have colds or other infections.
  • Wash your hands with soap and water frequently, especially before meals.
  • If you have allergies then try to keep those under control and avoid contact with your allergens as much as possible.
  • Avoid contact with tobacco smoke and other air pollutants, even second-hand smoke.
  • If you feel that the air in your home is dry, then use a humidifier. Make sure that your humidifier is free of any dirt or mold by regularly cleaning it.
  • Regularly wash/irrigate your sinuses using a neti pot or other similar devices.
  • Avoid antibiotics as they may harm the natural bacterial flora that exists in the nasal cavity. If you are taking any antibiotics, then take oral probiotics to replenish this flora.
  • If you want to swim, then swim in saltwater pools instead of chlorinated pools as they are less irritating to nasal sinuses.
  • Try to maintain a healthy lifestyle to ensure you have a strong immune system that can fight all types of infections.

What happens if sinuses are not drained surgically for chronic sinusitis patients?

If left untreated, chronic sinusitis can cause serious complications.

  • Due to the close proximity, sinus infections can easily spread to the eyes and lead to redness, swelling, and reduced vision, known as orbital cellulitis. In severe cases, it may even lead to blindness.
  • If sinus infections spread to the brain, it can lead to a brain abscess or meningitis, which can be life-threatening.
  • Chronic sinusitis can cause hyposmia, or reduced sense of smell, in addition to nasal obstruction and olfactory nerve inflammation. This can eventually turn to anosmia, i.e., complete loss of sense of smell.
  • A paranasal mucocele can be formed which can lead to the obstruction of sinus drainage.
  • Cavernous sinus thrombosis is the development of a blood clot in the cavernous sinuses and can be life-threatening.

How can I improve recovery after FESS procedure?

Proper postoperative care is an important part of the recovery process. To improve recovery after the surgery, you should follow the given instructions:

  • Keep your head elevated using extra pillows to reduce postoperative bleeding and swelling, especially during the first 24 hours after the surgery.
  • Make sure that your nasal splint/packing material is not dislodged. You may need to breathe through your mouth if your nose feels too blocked, but you cannot remove the splint/tissue packing.
  • Though a little bleeding and drainage are common after the surgery, in case there is too much of either, contact your ENT surgeon immediately.
  • Do not cough, sneeze or blow your nose for at least a week after the surgery. If sneezing is unavoidable, try to sneeze through your mouth.
  • Do not perform any heavy lifting, strenuous exercise, or any other activity that can put a strain on your face as they can irritate the surgical site and increase bleeding.
  • Only take medicines that have been prescribed by your doctor. Medicines like aspirin slow down clotting and can cause a hemorrhage.
  • Visit your doctor for a follow-up consultation within a week of the surgery to make sure that you are healing appropriately.
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