After eating red dragon fruit urine and stool red will last 1-2 days, red dragon fruit because of the large amount of natural red pigment, after eating because the red pigment can not be metabolized by the body, absorption, into the intestinal tract and blood circulation, so many people will appear in the urine and stool red. After stopping the intake of natural red pigment in the circulation of body fluids will gradually reduce the amount, generally in the second day the phenomenon of red urine and stool will gradually subside. During this period, you can also drink more water to boost your body’s metabolism and help the excretion of natural red pigment. In some people, the bowel movement is relatively slow, so the excretion time of natural red pigment in the intestine will be relatively longer, and the duration of this situation will also be slightly longer. If you find that the phenomenon of redness in the urine and stool lasts for a long time, more than 3 days, you should be alerted to other diseases in the body, and need to go to the hospital for examination to confirm the diagnosis of the disease.