Equivalent Doses of Opioids

Morphine Oral Morphine Parenteral Codeine Oral Codeine Parenteral Hydromorphone Oral Hydromorphone Parenteral Hydrocodone Oral Levorphanol Oral Levorphanol Parenteral Meperidine Oral Meperidine Parenteral Methadone Oral Methadone Parenteral Oxycodone Oral Oxymorphone Parenteral Propoxyphene Oral Tramadol Oral Tramadol Parenteral Buprenorphine Parenteral Butorphanol Parenteral Nalbuphine Parenteral Fentanyl Parenteral mg To Morphine Oral Morphine Parenteral Codeine Oral Codeine Parenteral Hydromorphone Oral Hydromorphone Parenteral Hydrocodone Oral Levorphanol Oral Levorphanol Parenteral Meperidine Oral Meperidine Parenteral Methadone Oral Methadone Parenteral Oxycodone Oral Oxymorphone Parenteral Propoxyphene Oral Tramadol Oral Tramadol Parenteral Buprenorphine Parenteral Butorphanol Parenteral Nalbuphine Parenteral Fentanyl Parenteral mg