Water usually stays in the stomach for about 2 hours, but it varies depending on the amount of water consumed, age, and underlying disease. In normal people, the time for water to be emptied in the stomach is about 2 hours, if the amount of water consumed is relatively large, the water retention time can be relatively prolonged. For the elderly, digestive function is not good, then relatively water in the stomach to stay longer, for diabetes gastroparesis or hypothyroidism patients, gastrointestinal peristalsis function is weakened, then the water in the stomach to stay longer. For patients with hyperthyroidism, the metabolism is accelerated, and the residence time of water can be relatively shortened, or the application of drugs to promote gastric motility, such as domperidone, will also shorten the residence time of water in the stomach. If you have repeated stomach discomfort after drinking water, it is recommended that you seek medical treatment in a timely manner.