Kidney Infection With Negative Urine Culture. The person conducting the urine culture will also be able to determine which organisms are causing the infection. Protein may appear constantly or only intermittently in the urine depending on the cause.

At this point i think the urine culture is negative due to the intake of antibiotics. If you begin to experience signs of a kidney infection like blood in your urine fever or back pain talk to your doctor right away. A health care professional may culture your urine to find out what type of bacteria is causing the infection.
The person conducting the urine culture will also be able to determine which organisms are causing the infection.
Proteinuria may occur normally after strenuous exercise such as marathon running but is usually a sign of a kidney disorder. Small amounts of protein in the urine may be an early sign of kidney damage due to diabetes. Proteinuria may occur normally after strenuous exercise such as marathon running but is usually a sign of a kidney disorder. The only significant finding so far based on your post is the presence of wbc in the urine.