Understanding Common Causes of Chronic Sinus Infections

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If you’re constantly battling sinus congestion, facial pressure, and fatigue, you may be one of the many people affected by chronic sinus infections. Also known as chronic sinusitis, this condition can interfere with your quality of life and linger for months, even with treatment. Understanding the root causes is essential to finding long-lasting relief and preventing recurrence.

What Is a Chronic Sinus Infection?

Chronic sinusitis, or chronic sinus infection, occurs when the sinuses remain inflamed and swollen for 12 weeks or longer, despite treatment attempts. This condition can lead to nasal congestion, facial pain, and reduced sense of smell, among other symptoms.​ Unlike acute sinus infections that resolve within a few weeks, chronic sinusitis tends to persist and often requires more advanced care.

Common Causes of Chronic Sinus Infections

Nasal Polyps

These noncancerous growths in the nasal passages can block airflow and mucus drainage, leading to persistent infections.​

Deviated Septum

A misaligned nasal septum can restrict sinus drainage, causing recurrent or chronic infections.​

Allergies

Allergic reactions to environmental factors like pollen or dust can inflame sinus tissues, contributing to chronic sinusitis.​

Respiratory Infections

Frequent colds or other respiratory infections can inflame and thicken sinus membranes, leading to prolonged symptoms.​

Immune System Disorders

Conditions that weaken the immune system can make it harder to fight off infections, increasing the risk of chronic sinusitis.​

Environmental Irritants

Exposure to pollutants, smoke, or other irritants can inflame the sinuses, leading to chronic issues.​

When to See an ENT Specialist

If you’ve been dealing with sinus symptoms for more than three months or experience repeated infections each year, it’s time to consult an ENT (ear, nose, and throat) specialist. A comprehensive evaluation, including nasal endoscopy or imaging (CT scan), can help identify the underlying cause and guide treatment.

Treatment Options

Depending on the cause, treatment for chronic sinus infections may include:

  • Nasal corticosteroid sprays
  • Saline irrigation
  • Oral antibiotics or antifungals
  • Allergy management
  • Surgical interventions such as functional endoscopic sinus surgery (FESS)

Understanding Functional Endoscopic Sinus Surgery (FESS)

When medications and non-invasive treatments fail to resolve chronic sinus infections, Functional Endoscopic Sinus Surgery (FESS) may be recommended as a safe and effective option. FESS is a minimally invasive surgical procedure used to restore normal drainage in the sinuses by removing blockages and opening up the natural sinus pathways.

Using a thin, flexible instrument called an endoscope, your ENT specialist can navigate the nasal passages with precision, avoiding external incisions. During the procedure, obstructive tissue, polyps, or thickened sinus linings are carefully removed to allow for proper airflow and mucus drainage.

Benefits of FESS include:

  • Relief from chronic sinus pressure and congestion
  • Fewer sinus infections over time
  • Improved breathing and sense of smell
  • Shorter recovery time compared to traditional sinus surgery

At Anne Arundel ENT & Facial Plastic Surgery, our skilled ENT surgeons perform FESS with advanced technology and a focus on preserving healthy tissue. This results in better outcomes, faster healing, and minimal discomfort for our patients in Annapolis and Severna Park.

Conclusion

Chronic sinus infections can be frustrating, but understanding their causes is the first step toward effective treatment. Whether it’s structural issues, allergies, or immune dysfunction, a personalized approach to care can provide lasting relief. If you’re ready to breathe easier and regain control of your sinus health, don’t wait to seek help. Schedule a consultation today at our Annapolis or Severna Park locations.​

Lee A. Kleiman a doctor at Anne Arundel ENT

Dr. Lee A. Kleiman is a double board certified ENT & plastic surgeon at Anne Arundel ENT in Annapolis, Maryland known for his superior clinical outcomes in all Surgical and Non-Surgical ENT, specializing in Sinus Care, Voice and Swallowing, Rhinoplasty and Revision Rhinoplasty, and Facelifts and Non-surgical Aesthetic. He also continues to attend conferences internationally and nationally to keep abreast of the latest treatments and technology.