Participants age 18 years or older received extended-release epidural morphine sulfate (2.5–40 mg) within 30 minutes ... for epidural space identification 15 minutes before study drug ...
Thirty-four patients were initially treated with 5 mg of nebulized morphine sulfate every four hours ... Two patients received 15 mg nebulized codeine, and one patient received 25 mg anileridine ...