The Principal cytochrome P450 isoenzyme included appears to get CYP2E1, with CYP1A2 and CYP3A4 as added pathways. Approximately eighty five% of an oral dose appears within the urine within 24 hours of administration, most since the glucuronide conjugate, with small amounts of other conjugates and unchanged drug. Life-Threatening Respiratory Depression https://codeine.store/is-codeine-an-opioid/