User:Mr. Ibrahem/Levorphanol

Levorphanol, sold under the brand name Levo-Dromoran, is an opioid medication used to treat moderate to severe pain. It is taken by mouth. Maximum effects occur within an hour and last up to 8 hours.

Common side effects include nausea, flushing, urinary retention, itchiness, and constipation. Other side effects may include insufficient breathing (respiratory depression), abuse, serotonin syndrome, and low blood pressure. Safety in pregnancy is unclear.

Levorphanol was first described in Germany in 1946. It has been in medical use in the United States since 1953. In the United States 90 tablets of 2 mg cost about 1,100 USD as of 2021. In the United States it is a Schedule II controlled substance.