Dry heaving in the morning may be early pregnancy and other physiological reasons, but also may be gastroesophageal reflux gastric acid stimulation of the esophageal mucosa, chronic pharyngitis phlegm sputum clucking unfavorable and other pathological reasons. 1. Physiological reasons: If a woman of childbearing age has dry heaving in the morning, it may be an early symptom of pregnancy, which is a normal physiological reaction, and can be clearly diagnosed by a gynecological examination. 2. Pathological causes: gastroesophageal reflux due to dysfunction of the lower esophageal sphincter, gastric acid reflux stimulation of the esophageal mucosa, acidity, heartburn and other symptoms often occur, and reflux of gastric contents in the morning may appear dry heaving. Chronic pharyngitis patients usually with mucosal injury in the throat area, inflammation stimulates mucosal secretion of mucus, cackling unfavorable, there may be dry heaving, brushing teeth in the morning is generally more obvious. Dry heaving in the morning may also be other reasons, if the phenomenon should be timely medical care, under the guidance of the doctor combined with other symptoms as well as examination, to identify the cause and timely treatment.