How come taking vitamin C helps with nasal allergies, and what should be done?

Nov 10, 2024 Source: Cainiu Health

Dr. Ren Yi

Introduction

Vitamin C usually refers to ascorbic acid. In general, if allergic rhinitis improves after taking vitamin C, it may be because the rhinitis was caused by factors such as decreased immunity, environmental pollution, malnutrition, endocrine disorders, or infection, and taking vitamin C can be effective in such cases. The treatment of rhinitis needs to consider multiple factors comprehensively and should be carried out under the guidance of a doctor. Please consult a physician if necessary.

Vitamin C usually refers to ascorbic acid. Generally, if rhinitis improves after taking vitamin C, it may indicate that the rhinitis was caused by factors such as decreased immunity, environmental pollution, malnutrition, endocrine disorders, or infections. In such cases, taking vitamin C can be an effective treatment. A detailed explanation is as follows:

1. Reduced Immunity: Rhinitis is somewhat related to weakened immunity. A compromised immune system reduces the body's resistance to pathogens and allergens, making nasal inflammation more likely. When the immune system cannot effectively combat microorganisms, pathogens can more easily enter the nasal cavity and trigger inflammatory responses. Vitamin C helps replenish nutrients in the body and supports immune function, which is beneficial for recovery.

2. Environmental Pollution: Rhinitis is significantly influenced by environmental factors. Long-term exposure to polluted environments, where air pollutants such as particulate matter, chemicals, and harmful gases are present, can irritate the nasal mucosa and trigger inflammatory reactions. These pollutants can also damage the nasal mucosa and disrupt immune function, increasing the risk of rhinitis. Vitamin C enhances physical condition and aids in recovery. Additionally, it can reduce the exudation of tissue fluid to some extent, alleviating symptoms of allergic rhinitis such as runny nose and sneezing.

3. Malnutrition: Malnutrition may lead to a deficiency in essential nutrients like vitamins and minerals, affecting the normal physiological function of the nasal mucosa and increasing the risk of rhinitis. When malnutrition results in vitamin C deficiency, appropriate supplementation of vitamin C can improve the nutritional status of the nasal mucosa and reduce the occurrence of rhinitis.

4. Endocrine Disorders: Endocrine imbalances can cause abnormal changes in hormone levels, affecting the normal physiological function of the nasal mucosa and increasing the risk of rhinitis. When rhinitis is triggered by endocrine disorders, appropriate vitamin C supplementation can help improve overall bodily function, thereby indirectly alleviating rhinitis symptoms.

5. Infections: Rhinitis can be caused by various bacterial or viral infections. For example, Streptococcus pneumoniae and Haemophilus influenzae often cause acute rhinitis, while Gram-positive bacteria such as Staphylococcus and Enterobacter species may lead to chronic rhinitis. Common viruses include rhinovirus, adenovirus, influenza virus, and coronavirus, which can also cause rhinitis. Vitamin C inhibits histamine production in the body and alters capillary permeability, thereby reducing inflammatory responses. Although it cannot directly kill pathogens, it can help alleviate infection symptoms and promote recovery.

The treatment of rhinitis requires a comprehensive approach and should be conducted under a physician's guidance. If necessary, please seek timely medical attention and follow the doctor's recommendations for treatment.

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