A persistently blocked nose is more than just an inconvenience. For many people, it becomes a daily struggle that affects sleep, breathing, concentration, and overall quality of life. While occasional nasal stuffiness is normal with a cold, persistent stuffiness may indicate a serious condition in the nasal passages.
In an exclusive interaction with the editorial team of Onlymyhealth, Dr Girish Anand M S, Senior Consultant, ENT Surgery, Aster CMI Hospital, Bangalore, explained that chronic nasal congestion can occur due to multiple underlying causes, including allergies and structural issues within the nose. Therefore, understanding the cause is the first step toward effective treatment.
Allergic rhinitis is one of the most common causes of a persistent congested nose. Allergies triggered by dust, pollen, pollution, pet dander, or mould can cause inflammation in the nasal passages. As a result, this inflammation leads to swelling of the nasal lining and excess mucus production, making breathing through the nose difficult.
“Most people do not take allergies seriously and think that congestion is a seasonal problem. However, when the allergens are exposed to the environment on an annual basis, the symptoms may last long,” explained Dr Anand.
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Sinusitis, due to the inflammatory or infectious inflammation of the sinus cavities, is another common cause. Sinusitis can lead to thick mucus buildup, facial pressure, headaches, and a feeling of heaviness around the nose and eyes. In case the sinus inflammation develops a chronic type, it might take weeks or even months before the nasal blockage is cleared.
“In some cases, the issue is within the structure of the nasal passages. A deviated nasal septum, where the wall between the two nostrils is displaced to one side, can restrict airflow and cause long-term congestion.
Similarly, nasal polyps, which are noncancerous and soft growths within the nasal inner lining, may obstruct airflow and result in breathing difficulty. These growths usually occur in people who have chronic inflammation, allergies, or asthma.
“Any structural abnormalities within the nose can have a serious impact on breathing. In these situations, medications can be used to provide relief to the patient, but only after an appropriate assessment to find the most appropriate treatment therapy,” said Dr Anand.
Daily exposure to irritants can also contribute to ongoing nasal congestion. Studies show that air pollution, cigarette smoke, strong perfumes, and chemical fumes can irritate the nasal lining and trigger swelling.
Another aspect that is not usually taken into consideration is dry air. When the air is dry, nasal passages may be dry and irritated, too, which makes the body produce additional mucus to protect against it.
Lastly, it can also be lifestyle habits. Stating an example, Dr Anand shared, “When a person uses some nasal decongesting sprays regularly, the condition called rebound congestion may occur, where the nose is further congested after the medicine has faded.”
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Simple measures can also help relieve symptoms and support nasal health. “Nasal rinse with saline, indoor humidity, hydration and limiting contact with allergens could help a lot,” Dr Anand suggested.
However, he also noted that chronic nasal stuffiness needs to be evaluated. Once the underlying cause is identified, most patients can find significant relief with the right treatment.
A stuffy nose can be an indication of allergies, sinus infections, environmental irritants, or structural problems inside the nasal passages. Experts note that making a proper diagnosis is essential for lasting relief.