Note that other diseases can also cause similar symptoms, but a simple urine test can indicate if they are due to kidney diseases. For instance, the urine test will indicate if albumin (protein) and blood are present in the urine, as they imply the presence of kidney diseases. A blood test can also show how well your kidneys are performing their main function of eliminating waste products.
In contrast, many chronic kidney diseases do not manifest clear warning signals in their early stages. There may be loss of appetite, mild swelling in the legs, and tiredness. It is not uncommon for these symptoms to be so mild or non-specific that they are ignored over long periods of time.
In fact, some people with chronic kidney disease do not have any symptoms in the initial stages. But as kidney function declines, symptoms may include:
