What causes nasal congestion during sleep at night?

Generally, nasal congestion during sleep at night may be caused by dry air, upper respiratory tract infection, allergic rhinitis, sinusitis, nasal polyps, or other reasons. Patients should seek timely medical evaluation at a正规 hospital to determine the underlying cause and receive targeted treatment. Specific analyses are as follows:

1. Dry Air

In dry environments, the nasal mucosa may become irritated, leading to reduced mucus secretion, drying, and swelling of the nasal lining, resulting in the aforementioned symptoms. It is recommended to maintain adequate humidity in the air and adopt an appropriate sleeping posture.

2. Upper Respiratory Tract Infection

This condition is mostly caused by viral infections, with only a minority due to bacterial infections. Inflammation of the nasal mucosa caused by infection can lead to nasal congestion and increased nasal discharge, thereby affecting normal breathing and causing the symptoms described above. Patients may take medications such as acetaminophen tablets, Tongqiao Biyan tablets, or ibuprofen capsules under medical guidance to alleviate symptoms.

3. Allergic Rhinitis

This is typically a chronic reactive inflammation of the nasal mucosa. When allergens enter the nasal cavity, the immune system releases chemical mediators that cause swelling and inflammation of the nasal mucosa, leading to symptoms such as nasal congestion and runny nose. Nasal congestion at night may worsen due to allergens present in the surrounding environment. Treatment may include antihistamines such as loratadine tablets, cetirizine hydrochloride capsules, or ebastine tablets, taken under medical supervision.

4. Sinusitis

Sinusitis refers to inflammation of the sinuses within the nasal cavity. When the sinuses become infected or irritated, symptoms such as nasal congestion and increased nasal discharge may occur. During nighttime sleep, changes in head position may impair sinus drainage, leading to nasal blockage. Patients may be prescribed medications such as Biyan Tongqiao granules, cefixime capsules, or Tongqiao Biyan tablets under medical guidance.

5. Nasal Polyps

Nasal polyps are noncancerous growths that develop in the nasal cavity and often cause symptoms such as nasal obstruction and rhinorrhea. At night, when lying down, slowed blood circulation in the nasal area may exacerbate nasal congestion caused by polyps, leading to the aforementioned issues. In necessary cases, patients may undergo endoscopic sinus surgery under medical advice.

Patients should seek prompt medical attention if symptoms are severe. During treatment, sufficient rest is recommended, and strenuous physical activity should be avoided.