What are the causes and symptoms of glomerulonephritis?
Acute glomerulonephritis most often follows a streptococcal infection of the throat or skin. In children, it is most often associated with an upper respiratory infection, tonsillitis, or scarlet fever. Kidney symptoms usually begin two to three weeks after the initial infection. Exposure to certain paints, glue or other organic solvents may also be the causative agent. It is thought that the kidney is damaged with exposure to the toxins that are excreted into the urine. Mild glomerulonephritis may produce no symptoms, and diagnosis is made with laboratory studies of the urine and blood. Individuals with more severe cases of the disease may exhibit: • fatigue • nausea and vomiting • shortness of breath • disturbed vision • high blood pressure • swelling, especially noted in the face, hands, feet, and ankles • blood and protein in the urine, resulting in a smoky or slightly red appearance The individual with chronic glomerulonephritis may discover their condition with a routine physical
