<unk>  or general<unk>  (in Commonwealth nations) is the medical specialty dealing with the prevention, diagnosis, and treatment of<unk>  diseases. Physicians specializing in<unk>  are called internists, or physicians (without a modifier) in Commonwealth nations. Internists are skilled in the management of patients who have undifferentiated or multi-system disease processes. Internists care for hospitalized and ambulatory patients and may play a major role in teaching and research.<unk>  and family<unk>  are often confused as equivalent in the Commonwealth nations (see below). Because<unk>  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.<unk>  is also a specialty within clinical pharmacy and veterinary<unk> .
Internal medicine
Geriatrics
Medicine
Hospital medicine
Cardiology
Gerontology
Medic
Neurology