Possible causes of cloudy yellow urine in the morning: 1, due to urine concentration, which is the most common cause. Get up in the morning to discharge in the first urine, urine storage time in the bladder are greater than 4 hours or more, can occur in different degrees of urine concentration. Therefore, during urination you can find that the urine is darker, yellowish in color or becomes brownish yellow, and can be accompanied by cloudiness. It is a normal phenomenon, not a disease condition, and does not require any treatment. 2. If there is a urinary tract infection, the urine containing bacteria in the bladder can become cloudy, or accompanied by an increase in flocculent feathery precipitation. The above-mentioned manifestations can occur during urination, all accompanied by frequent urination, urgent urination, small abdominal distension and discomfort or a feeling of incomplete urination. It is recommended that routine urine tests and urine culture tests be performed to further confirm the diagnosis.