Syed Alam

Internal medicine is the medical specialty dealing with the prevention, diagnosis, and treatment of internal diseases. Physicians specializing in internal medicine are called internists. Because internal medicine patients are often seriously ill or require complex investigations, internists do much of their work in hospitals. Internists often have subspecialty interests in diseases affecting particular organs or organ systems.

A general practitioner manages types of illness that present in an undifferentiated way at an early stage of development, which may require urgent intervention. The holistic approach of general practice aims to take into consideration the biological, psychological, and social factors relevant to the care of each patient's illness. Their duties are not confined to specific organs of the body, and they have particular skills in treating people with multiple health issues. A core element in general practice is continuity that bridges episodes of various illnesses. Greater continuity with a general practitioner has been shown to reduce the need for out-of-hours services and acute hospital admittance.

Nephrology is a specialty of adult internal medicine and pediatric medicine that concerns the study of the kidneys, specifically normal kidney function (renal physiology) and kidney disease (renal pathophysiology), the preservation of kidney health, and the treatment of kidney disease, from diet and medication to renal replacement therapy (dialysis and kidney transplantation).