What is the cause of yellow urine odor and foam?

If the urine discharged by the human body has yellow urine, odor, foam and other problems at the same time, consider the possibility of infection of the urogenital system. Such as urethritis and cystitis caused by bacterial infection, you can check the urine routine by the doctor, take the corresponding antibiotic treatment, and drink more water to urinate, and review it in time. Yellow urine is caused by many reasons, such as fire, drinking too little, hepatitis patients urine is yellow, often stay up late urine is yellow, urine foam is also a normal phenomenon, some diet and drugs will also make urine yellow.