Internal / general medicine - is the medical specialty dealing with the conditions of internal organs; diseases of the circulatory, respiratory, digestive, endocrine, urinary, and osteoarticular systems. It is also a superior branch of medicine to cardiology, nephrology or gastroenterology.

The name ”Interna” or simply “internal diseases” does not exist in many countries - it has been replaced with the term of “general medicine” or just “medicine.” Each patient needs a holistic approach to their condition and it can be ensured by General Internal Diseases Consultant. “Interna” covers allergology, infectious diseases, diabetology, endocrinology, gastroenterology, geriatrics, haematology, cardiology, nephrology, pulmonology, and rheumatology.