Why does direct exposure to air conditioning airflow easily cause nausea?

Direct exposure to air conditioner airflow can easily cause nausea, possibly due to factors such as abdominal cooling, vasoconstriction, gastrointestinal-type cold, allergic rhinitis, or acute gastritis. Management should be based on specific circumstances. It is recommended to visit a hospital promptly and follow medical advice for treatment.

1. Abdominal Cooling: Direct exposure to air conditioner airflow can cause a sudden drop in abdominal temperature, leading to cold stimulation of the gastrointestinal tract, increased peristalsis, or spasms, which may cause nausea. Prevent direct exposure of the body to air conditioner airflow, especially keeping the abdomen warm. Appropriate measures include adding clothing or applying a warm compress to the abdomen using a hot water bag.

2. Vasoconstriction: Cold stimulation may cause blood vessels, especially on the face, to constrict, affecting blood supply to the brain and potentially causing nausea. Avoid direct exposure of the head to air conditioner airflow; adjust the direction of the air vent or use a fan to help regulate indoor air circulation.

3. Gastrointestinal-Type Cold: Caused by viral infection combined with triggers such as direct exposure to air conditioner airflow, symptoms include nausea, vomiting, diarrhea, and abdominal pain. Patients may use medications such as Huoxiang Zhengqi Water, Bifidobacterium Quadruple Live Bacteria Tablets, or Smectite Powder under a doctor's guidance to alleviate symptoms.

4. Allergic Rhinitis: Direct exposure to cold air from an air conditioner may irritate nasal mucosa, triggering allergic reactions with increased nasal secretions that drain into the throat, irritating it and causing nausea. Patients may use medications such as Budesonide Nasal Spray, Loratadine Tablets, or Montelukast Sodium Tablets under a doctor's guidance to alleviate symptoms.

5. Acute Gastritis: Exposure to cold from direct air conditioner airflow may cause stomach cooling, irritating the gastric mucosa and triggering inflammation, resulting in symptoms such as nausea, vomiting, and stomach pain. It is recommended to follow medical advice to use medications such as Omeprazole Enteric-Coated Capsules, Aluminum Magnesium Carbonate Chewable Tablets, or Domperidone Tablets to relieve discomfort.

In daily life, it is advisable to regularly open windows for ventilation to maintain indoor air circulation and engage in appropriate outdoor activities to breathe fresh air.

References:

[1] Sun Duo. Clinical Observation on the Treatment of Gastrointestinal-Type Cold in Children with Huoxiang Zhengqi Water Combined with Acupuncture at the Four Seam Points [J]. Guangming Chinese Medicine, 2022, 37(15): 2685-2687.

[2] Sun Jingxi, Ma Rui, Guo Xia. Clinical Effect of Sucralfate Combined with Famotidine in the Treatment of Acute Gastritis [J]. Chinese Urban and Rural Enterprise Health, 2024, 39(12): 145-147.