codeine, opioid analgesic molecule. it is used as a central analgesic, sedative, hypnotic, antinociceptive, antiperistaltic agent

addict addiction analgesic antinociceptive antiperistaltic atom atomic carbon chemical chemistry codeine compound cough coughing dependence diarrhea drug formula hydrogen hypnotic illustration medication molecular molecule nitrogen opiate opioid opium organic oxygen pain papaver poppy schematic science sedative structural structure