Why nasal irrigation is not recommended

Oct 17, 2023 Source: Cainiu Health
Dr. Lu Cheng
Introduction
Nasal irrigation is generally not recommended due to several reasons, including the nose's natural immunity and self-cleaning ability, potential disruption of this self-cleaning function, damage to the nasal mucosa, risk of nasal bleeding, and improper technique. In individuals with healthy nasal passages, the nose naturally possesses immune defenses and self-cleansing mechanisms that enable smooth breathing in various environments and help maintain normal respiratory tract hygiene.

Generally, nasal irrigation is not recommended due to several reasons: the nose naturally possesses immune and self-cleaning functions, potential disruption of its self-cleaning ability, damage to nasal mucosa, risk of nasal bleeding, and improper operation. If a patient experiences discomfort or symptoms, it is advisable to seek medical attention promptly. The specific reasons are as follows:

1. Natural immunity and self-cleaning function of the nasal cavity: In individuals with healthy nasal passages, the nose inherently has immune defenses and self-cleaning mechanisms that enable smooth breathing in various environments and help maintain a clean respiratory tract. Under such conditions, doctors do not recommend nasal irrigation, as it may disrupt the natural physiological environment within the nasal cavity and potentially cause harm to the body.

2. Disruption of nasal self-cleaning ability: Normally, nasal hairs inside the nasal cavity provide a certain degree of self-cleaning by removing dirt and debris. If there is no obvious abnormality in the nasal cavity, blindly performing nasal irrigation may impair this natural self-cleaning function and negatively affect the nose’s abilities to humidify, warm, and filter air. Therefore, nasal irrigation is not recommended.

3. Damage to nasal mucosa: If a patient uses a nasal irrigator improperly—such as applying excessive pressure or incorrect technique—it may injure the nasal mucosa. Once damaged, if the mucosa comes into contact with pathogenic bacteria, infection may occur, leading to congestion and swelling of the nasal mucosa.

4. Risk of nasal bleeding: Excessive force during nasal irrigation may cause rupture of the nasal mucosa, resulting in nosebleeds. For this reason, nasal irrigation is generally not advised.

5. Improper operation: Incorrect technique during nasal irrigation may lead to excessive use of saline solution, causing choking or coughing. Saline may also flow into the throat, potentially triggering nausea or vomiting. Hence, nasal irrigation is not recommended.

In daily life, individuals should maintain cleanliness and hygiene of the nasal cavity and avoid picking their nose with fingers to prevent injury to the nasal mucosa.

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