Cryptogenic nephritis is like a killer hiding in the darkness, which can deal a fatal blow to people when they are negligent and careless, and seriously destroy people’s health. In today’s increasingly rampant kidney disease, people should increase their understanding of the symptoms associated with cryptogenic nephritis, so as to avoid the occurrence of an emergency medical situation. The following experts will talk about what are the main symptoms of occult nephritis. What are the symptoms of occult nephritis? The symptoms of occult nephritis are the following: Performance 1: persistent mild to moderate proteinuria, urine sediment will appear in the tube type of particles, and a small number of red blood cells. When the pathology changes, it is mostly focal thylakoid hyperplasia or mild thylakoid hyperplasia. Manifestation 2: Persistent proteinuria and hematuria, which may lead to edema and increased blood pressure, revert to the previous insidious state after the hematuria and proteinuria disappear. Patients with this type of nephropathy have a poor prognosis and may lead to renal insufficiency. Performance 3: Most of the patients with occult nephritis have no obvious signs and symptoms, only some patients with kidney disease show back pain, physical weakness, and hematuria of the naked eye. The main feature of this disease is the abnormality of urine, which is generally divided into three forms. Performance 4: The continuous appearance as well as intermittent hematuria is the symptomatic manifestation of occult nephritis, and urine red blood cells can be observed under the microscope mostly in the form of abnormalities. It often occurs under the influence of fever, pharyngitis, overexertion, cold, and drug injury. The above is an introduction to the symptoms of cryptogenic nephritis, now there are many patients with cryptogenic nephritis, but there are still many people who lack knowledge of the disease. In order to avoid delaying the treatment of the disease, people should understand the symptoms of the disease in advance, so that the disease can be detected in time.