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When is it More Than Just Allergies? Signs of Chronic Sinusitis

| Zachary D. Wassmuth, MD | Sinus & Nasal | Reviewed Mar 2026

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. 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. 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. Every patient is unique — schedule a consultation to discuss your specific symptoms and treatment options.

Zachary D. Wassmuth, MD

Dr. Wassmuth is a leading ENT specialist in chronic sinusitis, nasal obstruction, and sleep apnea. As the first in Austin to perform a balloon sinuplasty procedure and with over 10,000 nasal and sinus surgeries completed, he's consistently recognized as one of the top ENT surgeons in Central Texas.

Think It Might Be More Than Allergies?

Capital ENT's sinus specialists can evaluate your symptoms and determine if you have chronic sinusitis. Same-day and next-day appointments often available.

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