Administration, Rectal. Drug Administration, Anal . Rectal Administration . Administration, Anal Drug . Administration, Rectal Drug . Administrations, Anal Drug . Administrations, Rectal . Administrations, Rectal Drug . Anal Drug Administrations . Drug Administrations, Anal . Drug Administrations, Rectal . Instillations, Rectal . Rectal Administrations . Rectal Drug Administrations . Rectal Instillation . Rectal Instillations . Anal Drug Administration . Drug Administration, Rectal . Instillation, Rectal . Rectal Drug Administration . The insertion of drugs into the rectum, usually for confused or incompetent patients, like children, infants, and the very old or comatose. . 1.00