The first bubble of urine in the morning is very important, from the color of urine, smell, state can distinguish the man’s physical condition, drink enough water, physical disease and so on. If you find a layer of tiny bubbles floating on the surface of your urine, and they don’t dissipate for a long time, this may be an early symptom of nephritis or a hint that men are suffering from prostatitis. This “small bubble” is caused by the protein in the urine, the most early change of nephritis is the appearance of protein in the urine, if not actively treated, prone to kidney insufficiency and other problems. In addition, if a man is suffering from prostatitis, his urine may carry prostate fluid, which will have oil beads on the surface of the urine, showing “small bubbles” more “bubble urine” state. The normal condition: If the bubbles are large or vary in size and last for a short period of time, they are normal rushing bubbles and do not need to be nervous. Red urine with yellow color: urinary tract infection Red color in urine is likely to be a symptom of urinary tract infection, such as urethritis, urinary stones, and so on. Usually there are frequent, urgent and painful urination problems along with hematuria. It is recommended to go to the urology department of the hospital for examination so as not to miss the best time for treatment. Normal condition: Eating vegetables and fruits with natural pigments such as carrots can also make your urine appear red. But this phenomenon is only temporary, drink a few more glasses of boiling water and it will slowly ease. Urine yellow like strong tea: pay more attention to liver problems If the urine is yellow like strong tea for a long time, it often suggests liver problems. Normal urine is pale yellow, if the urine is yellow for a long time and the color is heavy, you must pay attention to whether there are other symptoms in the body, such as jaundice, fatigue, upper abdominal discomfort and pain, to go to the hospital in time to do the relevant examination. Normal condition: If the urine is yellow only once or twice, for a short period of time and without other discomfort, there is no need to worry. Urine color change is related to human sweating and water consumption and diet. If you sweat a lot and drink little water, the color of urine will deepen; when you just wake up, the color of urine is also darker and smells heavy.