Gregory House combines nephrology with infectious disease in House M.D.
Nephrology is the medical specialty concerned with the kidneys, kidney function, fluid balance, and related disorders. Infectious disease focuses on illnesses caused by microorganisms such as bacteria, viruses, fungi, and parasites. House’s combined training explains why he is especially interested in rare systemic illnesses that affect several organs.
The show usually presents House as a diagnostician rather than as a doctor working in a single conventional ward specialty. His team investigates complex cases, orders tests, challenges initial assumptions, and proposes treatments. His nephrology background is an important part of the character’s professional biography, even though many episodes range far beyond kidney disease.
A common mix-up is confusing nephrology with urology. Nephrology is primarily a medical specialty, while urology is a surgical specialty dealing with the urinary tract and male reproductive system. House’s specialty is also distinct from neurology, which concerns the nervous system.