The most common cause of nausea and dry heaving every time you brush your teeth is chronic pharyngitis, which may also be postnasal drip syndrome and reflux pharyngitis.
1. Chronic pharyngitis: chronic pharyngitis is a chronic inflammation of the pharyngeal mucosa, submucosa and lymphatic tissues, with a long course of disease and stubborn symptoms that are difficult to cure. Clinically manifested as a variety of discomfort in the pharynx, such as foreign body sensation, itching, dryness, dry cough, phlegm is not easy to cough up, brushing teeth and gargling speech is easy to nausea and dry heaving.
When brushing teeth, the toothbrush will stimulate the pharyngeal reflex zone, in addition to the mouth of toothpaste foam, mouthwash will also stimulate the pharyngeal mucosa, the patient will appear nausea and dry vomiting symptoms.
2. Postnasal drip syndrome: nasal secretions will stimulate the pharyngeal wall, and nausea and dry heaving will occur indirectly when brushing teeth.
3. Reflux pharyngitis: reflux esophagitis can lead to reflux pharyngitis, which can stimulate the nerves in the throat when brushing teeth and lead to nausea and dry heaving.
If the symptoms of nausea and dry heaving occur every time you brush your teeth, it is recommended that you go to the hospital in time for early and regular treatment.