Internal medicine is considered the basis for all branches in general medicine. In most of the patients and patients who apply to outpatient clinics, the discomfort is caused by internal diseases. Internal medicine deals with a wide range of diseases. However, the authority of internal diseases only covers individuals who have passed the childhood. Objective evaluation and treatment of the patient falls within the specialty of internal medicine. Specialists working in this department are authorized to resort to all treatment methods except surgical intervention.