Why brushing your teeth is disgusting and retching

Brushing shows nausea, vomiting symptoms, there are three main reasons. First, the performance of pharyngeal reflex, when the pharynx is stimulated, such as pharyngeal mucosa, tongue root or bilateral palatal arch, etc., will stimulate pharyngeal reflex, often manifested as nausea, vomiting, sometimes manifested as retching. Chronic pharyngitis, which is the most common cause of nausea when brushing teeth, most people will produce slight stimulation when brushing teeth, which is not sensitive to this, but chronic pharyngitis patients pharynx congestion, edema, pharynx often sticky secretions, pharynx reflex is more sensitive, so in brushing teeth easy to occur nausea, retching.