When is it More Than Just Allergies? Signs of Chronic Sinusitis
Quick answer: Chronic sinusitis is sinus inflammation lasting 12 weeks or longer despite treatment. Telltale signs vs. simple allergies: persistent nasal congestion, facial pressure, thick yellow or green discharge, reduced smell or taste, fatigue, and recurring infections that never fully clear. Per the AAO-HNS Adult Sinusitis Guideline, if symptoms persist beyond 12 weeks or you've had 4+ acute infections in a year, see an ENT; diagnosis requires nasal endoscopy and often a sinus CT, both available in-office at Capital ENT.
Many of us have experienced that familiar stuffy nose, itchy eyes, or sneezing that comes with seasonal allergies. But sometimes, what feels like "just allergies" may be something more, like chronic sinusitis.
So, how do you know when it's not just allergies?
Allergies vs. Chronic Sinusitis
Allergies are caused by your body's immune response to triggers like pollen, dust, or pet dander (AAO-HNS allergic rhinitis guideline). Symptoms usually include sneezing, runny nose, itchy eyes, and congestion that comes and goes depending on exposure.
Chronic sinusitis, on the other hand, is long-term inflammation of the sinuses that lasts for 12 weeks or longer, even with treatment, as defined in the AAO-HNS adult sinusitis guideline. It can develop after frequent infections, allergies, or structural issues in the nose.
Signs It Could Be Chronic Sinusitis
If you notice these symptoms lasting for weeks (not just days), it might be more than allergies:
- Nasal congestion that never clears up
- Facial pain, pressure, or fullness (especially around the eyes, cheeks, or forehead)
- Thick nasal discharge that is yellow or green
- Reduced sense of smell or taste
- Ongoing fatigue or brain fog
- Recurring sinus infections that don't fully go away
When to See an ENT
If your "allergy" symptoms just won't let up, or if you've been dealing with sinus pressure and congestion for months, it may be time to see an ENT (ear, nose, and throat specialist). They can help determine whether you have chronic sinusitis and recommend treatment options, from medication to minimally invasive procedures like balloon sinuplasty.
Finding Relief
Living with chronic sinus problems can take a real toll on your quality of life. The good news? With the right diagnosis and treatment, you can finally breathe easier.
If you've been asking yourself, "Why do I always feel congested?" or "Why don't my allergy meds work anymore?" It may be time to schedule an appointment and get the answers you need.
This article is for educational purposes only and does not replace an in-person evaluation.
More About Sinusitis and Sinus Infections
What Is Sinusitis?
Types, symptoms, causes, diagnosis, and treatment options for inflamed sinuses, explained in plain English.
Sinus Infection Treatment
Same-day appointments, in-office CT scans, and expert care for acute and recurring sinus infections.
Chronic Sinusitis Treatment
When symptoms last 12 weeks or longer: medical therapy, allergy testing, balloon sinuplasty, and endoscopic surgery.
What Causes Sinus Infections
Colds, allergies, and structural blockage, plus how sinus infections are diagnosed and treated.
Chronic Sinus Pressure
Why sinus pressure persists and how balloon sinuplasty provides lasting relief when other treatments have not worked.
Avoiding Sinusitis Headaches
Nasal care and medication options that reduce sinusitis headaches, and when chronic pressure should be evaluated.
Getting Rid of a Sinus Infection
From home remedies and over-the-counter options to antibiotics and in-office CT scans.
Chronic Sinus Infections in Austin
Causes of recurring sinus infections and the treatment options available from our Austin specialists.
Balloon Sinuplasty
A minimally invasive, in-office procedure with fast recovery; our practice was the first in Austin to offer it.
Endoscopic Sinus Surgery
3D image-guided, minimally invasive surgery for chronic sinusitis that needs more than an office procedure.
When Do You Need Sinus Surgery?
How the decision is actually made: confirming the diagnosis, what counts as an adequate medication trial, and what surgery does and does not fix.
Biologics for Nasal Polyps
How Dupixent and other biologic injections shrink polyps, who they help, and how they compare with sinus surgery.
Find Out If It Is Chronic Sinusitis
Capital ENT's sinus specialists can evaluate your symptoms and determine if you have chronic sinusitis.

