How long it takes to get well from purpura nephritis is closely related to the severity of the disease, which varies from patient to patient. Purpura nephritis is a complication of allergic purpura, most of them occur about 4 weeks after the onset of allergic purpura, which will mainly damage the kidney function. If patients only have mild hematuria and proteinuria, they can usually be cured in about 3-6 months after active and effective treatment. If the patient’s condition is more severe with large amount of proteinuria or acute renal failure, it will take a longer time to treat, about 1-2 years. In addition, purpura nephritis may need to be treated for 1 month or even about 2-3 months later before the effect will appear, so the treatment course of purpura nephritis are relatively long. Since purpura nephritis is prone to recurrence, it is still necessary to adhere to the treatment and follow-up according to medical advice when the condition improves. The Chinese medicine treatment should pay attention to keep the prescription, the application of hormones and so on can not suddenly stop the medicine.