Nephrologists are specialized medical professionals who deal with the diagnosis, treatment, and management of diseases and disorders related to the kidneys. They are also known as renal physicians, kidney doctors, urologists, and kidney specialists. Renal doctors and urologists have expertise in the management of urological disorders such as urinary tract infections, urinary stone diseases, and kidney stones. Kidney specialists are well-trained in the treatment of complex kidney diseases, including renal failure, glomerulonephritis, and nephritis. These synonyms can be used interchangeably, depending on the context and the specific areas of expertise of the medical professionals in question. Nonetheless, nephrologists remain the most commonly used term for physicians who specialize in kidney health.