Do All Patients with Allergic Purpura Have Kidney Damage

Allergic purpura usually can cause multiple damages to the patients such as skin purpura, joint diseases, and kidney damage and so on. Among those symptoms, kidney damage is the most serious one for the patients. However, do all patients with allergic purpura have kidney damage? The following article will give you a detailed explanation.

In fact, not all patients with purpura have kidney damage. In most cases of allergic purpura, the renal capillaries are involved. Clinically, only 20~60% of the patients have glomerular damage. If the patients involve kidney damage, they often have the following symptoms.

1. The patients with purpura have proteinuria and hematuria. In acute period, they may have gross hematuria and then develops into microscopic hematuria. Moreover, some patients also have cast urine.

2. Some patients with kidney damage may have the symptoms of Acute Nephritis. They have hematuria, proteinuria and are also accompanied with edema, high blood pressure, decreased urine output and renal function decline.

3. The patients with kidney damage may have a large amount of proteinuria and the urine protein is above 3.5 grams in 24 hours. Moreover, they also have serious edema, hypoproteinemia and even have Nephrotic Syndrome. In some cases, their renal function declines gradually. In severe cases, the patients may have progressively declined urine output, vomit, nausea and aggravation of renal function.


If the patients with purpura have the above symptoms, they should go to take further exams to find whether they have kidney damage. For some patients with Lurpura Nephritis, as their test results become negative, they think their renal damage recovers. In fact, that is a wrong idea. Purpura Nephritis often progresses latently. If the patients can not treat the disease fundamentally in time, it is very likely to develop into Renal Failure in several years. If you are a patient with purpura and want to know if you have renal damage, please consult us on line or email to kidney-treatment@hotmail.com.