How is yellow urine caused?

Yellow urine may be caused by physiological factors, but also may be caused by pathological reasons. The more common physiological factors are excessive sweating, less drinking water, resulting in reduced urine, yellow urine. In addition, it may also be due to taking some special colors of food, or through kidney metabolism drugs, such as vitamin B tablets, furazolidone tablets, etc., will also cause yellow urine. These physiological factors, after drinking more water to promote metabolism will gradually recover. Pathological reasons are mostly due to urinary system infection, or urinary system stones, urinary system tumors and other factors. At the same time there will be other symptoms, should be the corresponding auxiliary examination, timely removal of adverse inducing factors. Diet suggested that patients light diet, eat more fresh vegetables and fruits, fasting spicy food.