Breathe Better, Train Stronger: How Asthma and Chronic Sinus Issues Are Connected
If you’ve ever had to cut a workout short because of tight breathing or sinus congestion that just won’t quit, you’re not alone. Many active adults living with asthma also deal with chronic sinus inflammation — and the two conditions can actually make each other worse.
The Link Between Your Nose and Lungs
Your airways are one connected system — from the tip of your nose to deep in your lungs. When inflammation takes hold in the upper airways (the sinuses), it can easily spill into the lower airways, leading to asthma flare-ups, wheezing, or shortness of breath.
This overlap is known as chronic rhinosinusitis with nasal polyps (CRSwNP) — long-term sinus inflammation that sometimes leads to soft tissue growths called polyps. These growths can block airflow, making breathing (and exercising) more difficult. People with both asthma and CRSwNP often experience more frequent flare-ups and greater fatigue, which can limit performance and recovery.
Why do asthma and sinus problems often occur together?
Scientists don’t yet know all the causes, but here’s what’s understood:
Chronic inflammation damages the sinus lining, making it easier for irritants or microbes to get in and trigger more swelling.
Elevated immunoglobulin E (IgE) and eosinophils — both related to allergic reactions — are often found in people who have both asthma and CRSwNP.
Common environmental triggers such as pollen, pet dander, smoke, and air pollution can set off both conditions at once.
How can you tell if your sinus issues are affecting your asthma?
If you’re constantly congested, have facial pressure or postnasal drip, and also notice your asthma symptoms worsening, your sinuses may be contributing. A healthcare provider can help with:
Lung function testing for asthma control
Blood tests for IgE and eosinophil levels
CT scans or nasal endoscopy to check for inflammation or polyps
Allergy testing to pinpoint triggers
Treatment That Targets Both Conditions
Because both asthma and CRSwNP involve inflammation, managing one can help the other.
For asthma: Daily inhaled corticosteroids and rescue inhalers are key to keeping symptoms under control.
For CRSwNP: Nasal corticosteroid sprays or short courses of oral steroids can reduce swelling and congestion. In severe cases, surgery may be needed to remove nasal polyps.
For both: New biologic medications, given by injection every few weeks, are designed to target the inflammation behind both asthma and nasal polyps — improving breathing and quality of life.
Lifestyle Support for Easier Breathing
Avoid exposure to smoke, pollution, and allergens when possible.
Use a saline nasal rinse to clear irritants.
Stay hydrated, especially when exercising.
Warm up gradually before workouts in cold or dry air.
Prioritize recovery and sleep — airway inflammation can worsen with fatigue or stress.
Breathe Easy, Stay Active
If asthma and sinus issues are affecting your workouts or sleep, it’s time to talk to your healthcare provider or an allergist. A proper diagnosis and coordinated treatment plan can help you breathe more freely — in training and in life.
Learn more at AllergyAsthmaNetwork.org.
Information courtesy of the Allergy & Asthma Network. BPT