Nausea after eating betel nut is mainly considered to be caused by gastroenteritis and betel nut allergy.
1. Gastroenteritis: patients eat betel nut unclean, or eat betel nut with other food, stimulate the gastrointestinal mucosa, resulting in gastrointestinal mucosal edema, resulting in nausea, vomiting and other symptoms of acute gastroenteritis.
2. Allergy to betel nut: When patients are allergic to betel nut, eating betel nut leads to dilation and congestion of the capillaries of the mucous membrane of the gastrointestinal wall, which makes the patients experience dizziness, nausea, diarrhea, fatigue, rash, fever and other allergic conditions.
In addition, there may be other reasons for nausea after eating betel nut, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, and under the guidance of the doctor to give targeted treatment or treatment.