title: A caution about breast feeding while using codeine.
mesh_terms: D000328:Adult; D000701:Analgesics, Opioid / Q000378:metabolism*; D001942:Breast Feeding / Q000009:adverse effects*; D003061:Codeine / Q000378:metabolism*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D009020:Morphine / Q000378:metabolism / Q000506:poisoning*
chemical_list: D000701:Analgesics, Opioid; D009020:Morphine; D003061:Codeine