How long does it take to cure nephritis depends on the situation, nephritis is generally divided into acute nephritis and chronic nephritis, acute nephritis after active and effective treatment, usually will recover in about 4 weeks, chronic nephritis after treatment, usually can’t be completely cured, to achieve remission takes about half a year to 1 year. 1. Acute nephritis: acute nephritis syndrome is usually caused by pathogenic bacterial infections, which can be treated with diuretic and anti-swelling drugs, blood pressure lowering drugs or dialysis under the guidance of doctors, and will usually recover in about 4 weeks after active and effective treatment. 2. Chronic nephritis: the cause of chronic nephritis is not clear, it may be related to chronic tonsillitis, pathogenic bacterial infections and other factors, patients need to use diuretics such as hydrochlorothiazide, ACEI such as enalapril under the guidance of the doctor for treatment. Chronic nephritis is prolonged and progresses slowly, so it is usually not completely cured and it takes about 1 year to reach remission. The specific recovery time for patients with nephritis needs to be judged according to the actual condition of the patient and cannot be generalized. If you feel unwell, go to a regular hospital and follow the doctor’s instructions.