Hematuria
This symptom is commonly called blood urine by many people. In clinic, there are mainly two types of hematuria which refers to gross hematuria and microscopic hematuria. In comparison, microscopic hematuria is more common among people with kidney disease caused by Hypertension.
Frequent urination
In our kidneys, distal renal tubule is relatively tiny, so it is damaged more easily. Just as we have mentioned above, renal tubule has reabsorption function. Therefore, when it is damaged, water filtered by glomeruli can not be reabsorbed successfully, leading to the condition that large amounts of fluids are excreted. This is the general explanation how Hypertensive Nephropathy cause frequent urination.
Foamy urine
Foamy urine indicates that there is too much protein in urine. In the early stage of kidney disease caused by Hypertension, only a small amount of protein leak into urine. But with the worse of kidney disease, more and more protein gets into urine and while they get out of patient's body with urine, foams are formed. Therefore, if Hypertension patients found they have lots of foams in their urine, they are very likely to have developed kidney problem.
Swelling/Edema
In cases of kidney problem caused by Hypertension, swelling, also can be called edema, always occurs as a consequence of long-term leakage of protein. As lots of protein leak with urine, colloid osmotic pressure in the blood decreases, as a result of which, fluids ooze into surrounding tissues and therefore causes swelling symptom. And in serious cases, swelling may occur in the whole body.
Some other symptoms
Aside from the above symptoms, patients may also suffer from many other symptoms like itching skin, anemia, fatigue, hard breath and so on. Digestive problems like poor appetite, nausea, vomit and gastrointestinal bleedings and they usually occur when hypertensive renal disease develops to advanced stage.
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