Yellow urine foam what happened?

Yellow and frothy urine may be caused by concentrated urine. Drinking too little daily will cause concentrated urine, making the foam yellow and accompanied by foam. It is a normal physiological phenomenon and there is no need to worry too much. In addition, urinary system diseases can also cause yellow and frothy urine. For example, urethritis, cystitis, etc., will cause inflammatory metabolites, white blood cells, red blood cells and other substances in urine to increase, will make urine yellow with foam, normal also accompanied by urination stimulation disease, need to do further urine routine, urine culture and other examination diagnosis, after diagnosis, choose antibiotic drug treatment.