My Nasal Spray Isn’t Working — What Is Actually Going On?

Short answer: When a nasal steroid spray is not improving your congestion after consistent use, there are two explanations worth exploring honestly. The first is whether the spray is actually being used consistently and correctly — because most patients who report that it “is not working” have either stopped using it, are using it intermittently, or are using it incorrectly. The second — and more important — explanation is that the problem is structural or anatomical, and no spray can fix anatomy. A severely deviated nasal septum, nasal polyps, middle turbinate enlargement, or significant sinus disease can produce obstruction that a steroid spray cannot reach, cannot reduce, and cannot correct. Nasal endoscopy finds what the spray cannot fix.

By Dr. Franklyn R. Gergits, MBA, DO, FAOCO · Board-Certified Otolaryngologist · Fellowship-Trained Otolaryngic Allergist · Clinical Focus in Rhinology and Airway Disorders · 30+ Years of Experience · Founder, Sinus & Allergy Wellness Center of North Scottsdale

The First Question I Ask When Sprays Have Failed

When a patient tells me their nasal spray is not working, the first thing I do is ask them to walk me through exactly how they use it. How many sprays, how many times a day, for how long?

If they pause before answering — if they have to think about it — I already have useful information. Consistent daily use of a nasal steroid spray means you do not have to think about the answer. Two sprays per nostril every morning, every day, for weeks. If the answer requires reflection, the spray is probably not being used consistently enough to judge its effectiveness.

I also ask whether they have had any problems with the spray — nosebleeds, discomfort, a bad taste, anything that made them stop. If they can name one or two issues, they likely stopped using it — sometimes for a completely valid reason, sometimes because they were not taught how to use it correctly. Nasal steroid sprays aimed at the septum rather than the lateral wall of the nose cause nosebleeds and discomfort. Patients stop using them and conclude that the spray does not work. What they mean is that no one showed them how to use it properly.

This matters because I cannot evaluate treatment failure if there was not consistent, correct treatment in the first place. Before I conclude that sprays have failed, I need to know that they were actually used.

When the Problem Is Bigger Than Any Spray Can Handle

The more clinically significant situation is the patient who has genuinely been using their nasal steroid spray correctly and consistently — and still cannot breathe through their nose. These patients are telling me something important. Their problem is not inflammatory. Their problem is structural. And structural problems do not respond to anti-inflammatory medication because the obstruction is not driven by inflammation — it is driven by anatomy.

A severely deviated nasal septum does not shrink with Flonase. A nasal polyp that has grown to fill the middle meatus does not reduce with a steroid spray applied to the front of the nose. A middle turbinate enlarged by a concha bullosa — an air cell that has formed inside the turbinate and expanded it — does not respond to topical medication. Pansinusitis with mucosal thickening across all four sinus groups produces obstruction at a scale that exceeds what a nasal spray was designed to address. And significant uncontrolled allergy creates a sustained inflammatory environment that overwhelms topical therapy without systemic or immunological intervention.

One frequently overlooked cause of spray-refractory congestion is rhinitis medicamentosa — rebound congestion from overuse of topical decongestant sprays like oxymetazoline (Afrin). Patients sometimes use both Flonase and Afrin simultaneously without mentioning the Afrin, assuming it is harmless. Beyond three days of use, Afrin causes rebound swelling that can be worse than the original congestion. Screening for this is a routine part of the evaluation when sprays appear to have failed.

When a patient with genuine consistent spray use cannot breathe, I stop thinking about which spray to try next. I start thinking about what I am going to find on endoscopy.

What Nasal Endoscopy Shows When Sprays Have Failed

Nasal endoscopy is a direct look inside the nasal cavity and into the sinus drainage pathways. It takes a few minutes. It is performed in the office. And it shows things that no amount of spray history or symptom description can reveal.

When I scope a patient whose nasal spray has not worked, here is what I am specifically looking for:

A deviated nasal septum — and not just whether it is deviated, but how it is deviated. Is the obstruction entirely one-sided, where the septum has deviated completely into one nasal passage and the airway on that side is effectively eliminated? Or is it an S-shaped deviation — where the septum bows into the right nasal cavity at one level and into the left at another, creating bilateral obstruction that the patient experiences as never being able to breathe on either side? The shape and severity of the deviation determines the treatment. A mild deviation that is contributing to turbinate contact may respond to turbinate reduction alone. A severe S-shaped deviation affecting both sides and blocking sinus outflow requires septoplasty.

Nasal valve collapse — the area just inside the nostril where the lateral wall of the nose is weakest. When this area collapses on inhalation, it creates an obstruction at the front of the airway that no spray addresses because it is mechanical, not inflammatory. Patients with nasal valve collapse describe breathing that worsens with deep inhalation — the harder they breathe, the worse it gets. A simple bedside test called the Cottle maneuver — gently pulling the cheek laterally to open the nasal valve — provides immediate confirmation when nasal valve collapse is contributing to obstruction. Many patients experience a notable improvement in airflow during this test and have their first moment of understanding why their nose has felt blocked for years.

Polyps — benign inflammatory growths that can range from small pale protrusions at the sinus drainage pathways to large grape-like masses filling the entire nasal cavity. Even small polyps positioned at the middle meatus can block sinus drainage and create chronic obstruction that sprays cannot adequately penetrate or reduce. Large polyps visible at the front of the nose tell an even clearer story.

Active infection — mucopus visible at the sinus drainage pathways, indicating ongoing bacterial or fungal disease in one or more sinuses that is contributing to obstruction and inflammation beyond what topical medication alone is managing.

Turbinate hypertrophy — both anterior and posterior turbinate enlargement. The inferior turbinate is the most common cause of nasal obstruction in the general population, and its hypertrophy is what nasal steroid sprays are most designed to address. When the turbinate has not reduced with spray use, it tells me that the hypertrophy is structural rather than purely inflammatory — that the turbinate tissue itself has undergone permanent change that medication will not reverse.

Middle meatal narrowing — the drainage pathway from the frontal, maxillary, and anterior ethmoid sinuses into the nose. When this pathway is narrowed by anatomical variants, turbinate position, or inflammatory tissue, the sinuses cannot drain normally regardless of how aggressively the patient rinses or uses topical medication. This is the finding that most often explains why a patient keeps getting sinus infections despite doing everything right.

The Finding That Most Surprises Patients

When I show patients their endoscopy findings — most practices now have monitors that allow patients to see what I am seeing in real time — the finding that generates the most surprise is usually the deviated nasal septum and its downstream effects. Patients often know they have a deviated septum. What they do not know is how significantly it is compressing the sinus outflow tract on the affected side, contributing not just to breathing difficulty but to the recurrent infections on that side. The septum is not just a breathing problem. It is a drainage problem. And a drainage problem is a sinus problem.

The other consistently surprising finding is nasal polyps. Patients with polyps are frequently told their CT scans show opacification but are not told what is causing it. When they see polyps on endoscopy — smooth, pale, glistening growths occupying the space where clear airway should be — the pieces suddenly fit together. This is why the spray did not work. This is what the inflammation looks like. This is what needs to be addressed directly.

Dr. G’s Pearls

▸ Before concluding a spray has failed, confirm it was actually used. Two sprays per nostril every morning, aimed toward the ear — not the septum — for at least four weeks without interruption. That is consistent use. Anything less is not a fair trial.

▸ Structural obstruction does not respond to anti-inflammatory medication. A deviated septum, nasal polyps, a concha bullosa, or nasal valve collapse will not change with Flonase. These are anatomical problems that require anatomical solutions.

▸ The shape of the deviation matters as much as its presence. An S-shaped deviation causes bilateral obstruction that one-sided symptoms do not predict. Endoscopy reveals the pattern. CT confirms the anatomy. Neither is optional when planning treatment.

▸ Middle meatal narrowing explains recurrent sinus infections. When the sinus drainage pathways are structurally compromised, the sinuses cannot clear normally regardless of saline rinse frequency or spray consistency. Opening that pathway is what balloon sinuplasty is designed to do.

▸ If your nasal spray has not worked after four consistent weeks — stop guessing and get scoped. The answer is visible. It is inside your nose. Endoscopy takes a few minutes and changes the entire treatment conversation.

▸ Once we identify the structural cause, we discuss what comes next — together. Medical optimization, a minimally invasive in-office procedure, or surgery — the decision is made based on what we find, what you want, and what the evidence supports. No surprises. No pressure. A plan that makes sense because you saw the problem with your own eyes.

Want to Understand More?

What Is Balloon Sinuplasty — And Are You a Candidate?

What Is a Deviated Nasal Septum — And Does It Need to Be Fixed?

Why Antibiotics Keep Failing Your Sinus Infection

What Is MicroGenDX and Why Does It Change Everything About Sinus Treatment?

My Doctor Recommended Multiple Procedures — Is That Too Much for One Visit?

About the Author

Dr. Franklyn R. Gergits, MBA, DO, FAOCO is a Board-Certified Otolaryngologist and Fellowship-Trained Otolaryngic Allergist with a Clinical Focus in Rhinology and Airway Disorders and over 30 years of clinical experience. He is the founder of the Sinus & Allergy Wellness Center of North Scottsdale, where he performs in-office balloon sinuplasty, turbinate reduction, NEUROMARK® posterior nasal nerve ablation (Neurent Medical, FDA-cleared radiofrequency ablation system), and Eustachian tube dilation under local anesthesia. He performed the first balloon sinuplasty in Pennsylvania and holds dual Entellus Centers of Excellence certifications. Dr. Gergits is the originator of the Posterior Sinonasal Syndrome (PSS) hypothesis — a clinical framework identifying pepsin-mediated posterior nasal mucosal injury as an upstream driver of chronic rhinosinusitis. Preprint available at Preprints.org (DOI: 10.20944/preprints202603.0858.v1). ORCID: 0009-0000-4893-6332.

SinusAndAllergyWellnessCenter.com · 480-525-8999

This content is for educational purposes only and does not constitute medical advice. If you have been using a nasal steroid spray consistently without improvement, please consult a qualified otolaryngologist for nasal endoscopy and individualized evaluation. Structural causes of nasal obstruction require direct visualization to identify and cannot be diagnosed from symptoms alone.