Yellow urine in the morning

Morning urine is very yellow, in fact, this is a normal phenomenon. Because urine in the kidney after a night of precipitation and glomerular reabsorption, will cause urine thickening, so it will cause yellow phenomenon, do not be too nervous. It is recommended to drink more water, urinate more, this can reduce urine yellow. But it may also be caused by mild urinary tract infection, because patients sleep at night, can not get too much water, this will cause inflammatory cells stimulated, urine muddy and yellow.