Back طب باطني Arabic Daxili xəstəliklər Azerbaijani Унутраныя хваробы Byelorussian Вътрешни болести Bulgarian অন্তররোগ চিকিৎসাবিজ্ঞান Bengali/Bangla Interna medicina BS Medicina interna Catalan پزیشکیی ھەناو CKB Vnitřní lékařství Czech Innere Medizin German
Internal medicine is the branch and specialty of medicine concerning the diagnosis and nonsurgical treatment of diseases in adults, especially of internal organs.
Doctors of internal medicine, also called "internists", are required to have included in their medical schooling and postgraduate training at least three years dedicated to learning how to prevent, diagnose, and treat diseases that affect adults.