The symptoms of chronic glomerulonephritis very. Some patients with severe disease are asymptomatic for many years. Their condition may be discovered when hypertension is found, elevated BUN and serum creatinine levels are detected, or during a routine eye examination when vascular changes or retinal hemorrhages are discovered. The first indication of disease may be a sudden, severe nosebleed, a stroke, or a seizure. Many patients report that their feet are slightly swollen (edematous) at night. Most patients also have general symptoms, such as loss of weigh and strength, increasing irritability, and an increased need to urinate at night (nocturia). Headaches, dizziness, and digestive disturbances are common.