What should I do when I brush my teeth in the morning with nausea and dry vomiting? Some people squeeze too much toothpaste when brushing their teeth. Too much toothpaste in the mouth after friction will be a lot of foam to stimulate the throat, causing nausea. Many people brush their teeth, no matter in spring, summer, autumn and winter, always use cold water. I don’t know, brushing with cold water is not good for teeth. On the one hand, when it is cold, brushing teeth with cool water can not make the toothbrush bristles soften, when brushing teeth inattentively will cause bleeding gums, causing nausea; on the other hand, brushing teeth with cool water (especially in winter) because of the water and oral temperature disparity, can stimulate the oral nerve cause nausea. Some people suffer from chronic pharyngitis. The correct way to brush your teeth: 1. When brushing your teeth, do not squeeze too much toothpaste, generally according to the toothbrush you use. Toothbrush bristles a little more, toothpaste accounted for 1/3 can; toothbrush bristles a little less, toothpaste accounted for 1/2 can. This will not cause waste and will avoid discomfort during the brushing process. Consider using a child’s toothbrush. 2, spring, autumn and winter (especially winter) in the three seasons when brushing teeth, you can use 30 degrees Celsius to 40 degrees Celsius warm water (to adapt to their own appropriate), first put the toothbrush into it, wait for the toothbrush bristles become soft, and then squeeze the appropriate amount of toothpaste to start brushing teeth. This will not cause bleeding gums, and you will not feel nauseous when you rinse your mouth with warm water. 3, when brushing teeth, try to use the nostrils out of the air, do not use the mouth to breathe. 4, suffering from chronic pharyngitis, in addition to the above method of toothbrushing, but also timely medication, try to smoke less or do not smoke. You can try fe dry brush toothpaste, containing fe bioactive enzymes, can effectively kill oral germs, clean the mouth, gum care, no oral stimulation, can effectively prevent brushing dry vomiting, etc.