Below you can find the After its introduction in 1963 it became the most widely prescribed tranquilizer Jeopardy Words Answer. The answer to After its introduction in 1963 it became the most widely prescribed tranquilizer has 6 letters. This clue belongs to the Medical history category and is part of Jeopardy Word Level 1899. If you scroll near the bottom you will find other clues and answers part of level 1899