Chronic cystitis generally does not cause nephritis, may cause pyelonephritis.
Chronic cystitis belongs to the urinary tract infection, mostly caused by gram-negative bacillus infection, with urinary frequency, urgency, pain in urination as the main manifestation, the treatment is based on antibiotics such as levofloxacin and amoxicillin. Nephritis is glomerulonephritis, with proteinuria, hematuria, edema and hypertension as the main manifestations, divided into acute, acute and chronic, usually chronic cystitis will not lead to nephritis.
Chronic cystitis may lead to pyelonephritis if it occurs repeatedly and the bacteria retrograde. At this time, appropriate antibiotics should be selected according to the results of drug sensitization for treatment, and the course of treatment usually takes two weeks, and some patients may take longer.
Patients with chronic cystitis and pyelonephritis should go to the hospital in time for treatment under the guidance of a medical professional.