| Leading causes of kidney failure are diabetes, followed by hypertension, glomerulonephritis, and cystic kidney and urologic diseases. |
| Acute rheumatic fever and poststreptococcal glomerulonephritis are the nonsuppurative complications of streptococcal pharyngitis. |
| Lupus nephritis is a common cause of glomerulonephritis and is an important cause of chronic kidney disease. |
| Septic arthritis and acute glomerulonephritis have occurred following ear piercing, and infectious endocarditis has been reported after body piercing. |
| Post-infectious glomerulonephritis has also been associated with other bacterial, viral, parasitic, rickettsial and fungal infections. |
| Untreated strep can lead to rheumatic fever, acute glomerulonephritis or rarely, meningitis. |
