Shortness of breath after standing up after urinating is commonly associated with over-suppression of urine, upright hypotension and other conditions, and may also be associated with some cardiovascular diseases and other problems of their own. 1. Excessive urinary holding: If the excessive holding of urine for a long time, it will cause the bladder to be extremely full, the pressure is too high, but also presses the surrounding organs and tissues, when urination will make the pressure decrease suddenly, while the bladder tension decreases, the bladder’s blood fills up quickly, which can cause the relative insufficiency of the heart’s blood supply, and may occur after urination, temporary panic, shortness of breath, and other symptoms. 2. Upright hypotension: Upright hypotension can also occur when standing up after urination, usually due to rapid standing up, due to change of body position, the effect of gravity when standing up, resulting in a decrease in the volume of return blood and output, a transient drop in blood pressure can occur and panic and shortness of breath. 3. Cardiovascular disease problems; if there are some chronic cardiovascular disease problems, such as heart failure, coronary heart disease, etc., and urinate too fast when you get up, but also easy to induce some panic, shortness of breath and other discomforts. To summarize, it is recommended not to hold urine excessively, and the standing movement should be slowed down after urination. If there is any discomfort, you can go to the hospital for examination to rule out whether there is a disease cause.