Notice Same day or same week appointment available · Call (65) 6253 7296 No referral needed · Medisave & insurers accepted
Allergy, Nose & Sinus

Causes of Headaches After Sinus Surgery: Understanding Frontal Sinus Pain and More

February 10, 2020
a female touching her left forehead due to discomfort | Dr Gan ENT Specialist Singapore

WARNING: THIS BLOG CONTAINS GRAPHIC SURGICAL IMAGES AND VIDEOS.

Experiencing headache symptoms after sinus surgery is not uncommon. You might find yourself wondering, “Is it normal to have bad headaches after sinus surgery?” or “How long do headaches last after sinus surgery?” While some temporary pain or discomfort can be expected due to inflammation and healing, severe or persistent headaches warrant further investigation, especially frontal sinus pain.

This article explores potential causes of headaches after sinus surgery, including sinus pressure after septoplasty, and how an ENT specialist can help. It also discusses how septoplasty relief can be achieved in some cases.

 

Case Study: Headaches and Sinus Pain After Surgery

Madam A, a patient of Dr Gan, underwent sinus surgery for recurrent sinusitis. However, a month later, she developed headaches in her left forehead region, a symptom she didn’t have before.

a ct scan image of Madam A's sinuses showing clear frontal sinus before surgery

Caption: A CT scan of Madam A’s sinuses showing a clear (black part indicating the sinus is filled with air) frontal sinus before her first sinus surgery.

 

Examination revealed scarring near the drainage pathway of her left frontal sinus, leading to complete blockage and frontal sinus pain.

a ct scan image of Madam A's sinuses showing blocked left frontal sinus after surgery

Caption: A repeat CT scan of Madam A’s sinuses showing a blocked left frontal sinus (grey part) after her sinus surgery.

 

a side view of Madam A's ct scan image showing blocked left frontal sinus

Caption: A CT scan showing the side view of Madam A’s sinuses. The left frontal sinus is completely filled with mucous (grey part).

 

Madam A underwent revision surgery using the Image Guidance System (IGS) to unblock her frontal sinus. IGS helps surgeons to determine the exact position of the surgical instrument during sinus surgery. The position of the surgical instrument is indicated by a green cross and superimposed on the CT scan images (refer to images below).

igs images of the surgical instrument during the revision sinus surgery

Caption: IGS images showing the tip of the surgical instrument in the left frontal sinus.

 

This is especially useful in revision sinus surgery, where scarring or loss of surgical landmarks caused by previous surgery may make it challenging for the operating surgeon. Another good use of IGS is in patients with complex sinus anatomy (especially in the frontal recess).

During Madam A’s sinus surgery, a thick mucous was discovered in the left frontal sinus. The frontal sinus pathway was widened and flushed with normal saline.

igs images of the surgical instrument's position in the frontal recess

Caption: IGS images showing the position of the surgical instrument (suction tube) in the frontal recess where the mucous is suctioned out.

 

After the revision surgery, Madam A’s frontal sinus pain resolved. This case highlights the importance of meticulous surgical technique and the potential for complications, even in seemingly straightforward cases.

 

Understanding Headaches After Sinus Surgery

Headaches after sinus surgery can arise from various factors:

1. Inflammation and Healing

Sinus surgery typically involves manipulating delicate tissues, which can lead to inflammation and pain. This pain after sinus surgery is usually temporary and subsides as healing progresses.

2. Scar Tissue Formation

Scar tissue can form during the healing process, potentially obstructing sinus drainage pathways and causing sinus pain after surgery. This can lead to pressure buildup and headaches.

3. Pre-existing Conditions

Patients with pre-existing headache conditions, such as migraines, may experience headaches after sinus surgery due to the stress of surgery and recovery.

4. Other Factors

Other factors that can contribute to headaches after sinus surgery include:

  • Medications: Certain medications used during or after surgery can cause headaches as a side effect.
  • Dehydration: Insufficient fluid intake can worsen headaches.
  • Stress and anxiety: The stress of surgery and recovery can trigger headaches in some individuals.

Managing Headaches After Sinus Surgery

If you experience headaches after sinus surgery, especially frontal sinus pain or sinus pressure after sinus surgery, consult an ENT specialist in Singapore. They can help evaluate the cause and recommend appropriate management strategies.

Seek medical attention if:

  • Headaches are severe or persistent.
  • Pain after sinus surgery is not improving with time.
  • Headaches are accompanied by other symptoms, such as fever, nasal discharge, or vision changes.
  • You are concerned about your recovery.

That said, treatment for headaches after sinus surgery typically depends on the underlying cause. Options may include:

  • Pain medication: Over-the-counter pain relievers can help manage mild to moderate pain.
  • Nasal irrigation: Rinsing the nasal passages with saline solution can help reduce inflammation and clear mucus.
  • Nasal steroids: These medications can reduce inflammation in the nasal passages.
  • Antibiotics: If a bacterial infection is present, antibiotics may be prescribed.
  • Revision surgery: In some cases, revision surgery may be necessary to address complications such as scar tissue formation or blockage of the frontal sinus.

 

Recovery Time After Sinus Surgery

Recovery time after sinus surgery varies depending on the extent of the procedure and individual healing. Most patients experience significant improvement within a few weeks. However, complete healing can take several months.

If you’re experiencing headaches 3 weeks after sinus surgery or later, it’s advisable to discuss this with an ENT doctor. They can assess your progress and recommend further management if needed.

By understanding the potential causes of headaches after sinus surgery and seeking timely medical attention, you can optimise your recovery and achieve long-term relief.

 

Schedule Your ENT Appointment Today

If you are experiencing persistent ENT symptoms or have concerns about your ear, nose, or throat health, our team is here to help. Book an appointment with our ENT specialist for a professional assessment and personalised care plan.

You may schedule your visit conveniently via WhatsApp at +65 9058 2480,, through our online enquiry form, or by calling +65 6253 7296. We look forward to supporting your ENT health with attentive and professional care.

Frequently Asked Questions

Dr Gan Eng Cern — ENT Specialist Singapore
Gold Award 2020
Best in Singapore
FAMS (ORL)
Senior ENT Specialist

Dr Gan Eng Cern

Ear, Nose & Throat Specialist · Rhinology & Endoscopic Skull Base Surgery

MBBS (Australia) MRCS (Edinburgh) MMed (ORL) Singapore FAMS (ORL)

Dr Gan is a fellowship-trained ENT specialist with deep expertise in rhinology and endoscopic skull base surgery. He completed subspecialty training at St Paul's Sinus Centre, University of British Columbia, Vancouver — a globally recognised centre for nose and sinus care. He has served as Senior Clinical Lecturer at NUS Yong Loo Lin School of Medicine and has published research in international peer-reviewed ENT journals.

Rhinology Fellowship — UBC Vancouver
Senior Lecturer — NUS Yong Loo Lin
7 Professional Awards
20+ Years ENT Experience
Published ENT Researcher
Speaks: English 中文 Bahasa Melayu Hokkien

Practical ENT articles written or medically reviewed by Dr Gan Eng Cern

Expert articles on sinus, sleep apnoea, ear and throat conditions — written by Dr Gan Eng Cern.

View All Articles →
Thick Yellow Mucus in Your Nose? It May Be Coming From Your Sinuses! Allergy, Nose & Sinus

Thick Yellow Mucus in Your Nose? It May Be Coming From Your Sinuses!

👤 Medically Reviewed by Dr Gan Eng Cern ✓ QUICK ANSWER Thick mucus in the nose may come…

July 2026 Read more
Signs of Sleep Apnoea in Singapore: 8 Symptoms & What to Do Snoring & OSA

Signs of Sleep Apnoea in Singapore: 8 Symptoms & What to Do

A practical, evidence-based guide to recognising possible signs of obstructive sleep apnoea, understanding your risk factors and exploring…

July 2026 Read more
Sudden Hearing Loss in Singapore: 9 Warning Signs Ear & Balance

Sudden Hearing Loss in Singapore: 9 Warning Signs

A sudden, unexplained drop in hearing — usually in one ear — requires prompt medical assessment because it…

July 2026 Read more
Allergic Rhinitis Singapore: When Antihistamines Are Not Enough Allergy, Nose & Sinus

Allergic Rhinitis Singapore: When Antihistamines Are Not Enough

What a specialist assessment for allergic rhinitis in Singapore involves, why the local environment matters, and when to…

June 2026 Read more
Chronic Sinusitis in Singapore: When to See an ENT Specialist Allergy, Nose & Sinus

Chronic Sinusitis in Singapore: When to See an ENT Specialist

What “rhinologist” actually means, when you need one instead of a general ENT specialist, and how to make…

June 2026 Read more
8 Common Ear, Nose & Throat Conditions Treated by an ENT Specialist in Singapore General ENT

8 Common Ear, Nose & Throat Conditions Treated by an ENT Specialist in Singapore

Quick Answer: ENT specialists in Singapore treat conditions affecting the ears, nose, throat, sinuses, hearing, sleep, and neck.…

June 2026 Read more
Tonsillectomy for Children Singapore — Parent Guide Children's ENT

Tonsillectomy for Children Singapore — Parent Guide

Dr Gan Eng Cern, ENT Specialist Singapore, answers every question parents have about tonsil removal — from when…

May 2026 Read more
Signs You Need a Tonsillectomy in Singapore — Adult Guide Throat & Voice

Signs You Need a Tonsillectomy in Singapore — Adult Guide

Not sure if you need tonsil removal? Dr Gan Eng Cern, ENT Specialist Singapore, explains the clinical criteria,…

May 2026 Read more
Tonsillitis Singapore: Symptoms, Causes & Treatment Guide Throat & Voice

Tonsillitis Singapore: Symptoms, Causes & Treatment Guide

Persistent sore throat? Dr Gan Eng Cern explains tonsillitis types, how it differs from pharyngitis, home remedies, and…

May 2026 Read more
What Are Thyroid Lumps & How Are They Diagnosed? Head & Neck

What Are Thyroid Lumps & How Are They Diagnosed?

The thyroid, a small butterfly-shaped gland in your neck, can sometimes develop growths or nodules. While over 95%…

January 2024 Read more

Visit Dr Gan's ENT Clinic in Novena

Address

38 Irrawaddy Road, #08-45, Mount Elizabeth Novena Hospital, Singapore 329563

Hours

Mon–Fri: 9.00am–5.00pm · Sat: 8.30am–12.00pm · Sun & PH: Closed

Contact

Call: +65 6253 7296
WhatsApp: +65 9058 2480
Email: enquiry@drganent.com

Getting Here

Accessible from Novena MRT Station (North-South Line). On-site car park available.

Appointments

Patients may contact the clinic directly by phone or WhatsApp to arrange an ENT consultation. A referral is generally not required for a direct appointment.

Make an Enquiry

Fill up the form and our clinic staff will get back to you within a few hours!

Your details are kept strictly confidential and used only to respond to your enquiry.
whatsapp
→ Index