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Oral hydrocodone has a mean equivalent daily dosage (MEDD) factor of 0.4, meaning that 1 mg of hydrocodone is equivalent to 0.4 mg of intravenous morphine. However, because of morphine's low oral bioavailability , there is a 1:1 correspondence between orally administered morphine and orally administered hydrocodone.
In 2022, it was the 23rd most commonly prescribed medication in the United States, with more than 23 million prescriptions. [7] [8] It is not available in the United Kingdom, [9] though the combination codeine/paracetamol (co-codamol) is. [10] It is sold under the brand names Vicodin and Norco among others. [1] [2]
An equianalgesic chart is a conversion chart that lists equivalent doses of analgesics (drugs used to relieve pain). Equianalgesic charts are used for calculation of an equivalent dose (a dose which would offer an equal amount of analgesia) between different analgesics. [1]
Oxycodone is a controlled substance under Schedule I of the Controlled Drugs and Substances Act (CDSA). [156] Canadian oxycodone HCL/acetaminophen 5/325 mg tablet. In February 2012, Ontario passed legislation to allow the expansion of an already existing drug-tracking system for publicly funded drugs to include those that are privately insured.
Each benzhydrocodone/APAP immediate release tablet contains 6.12 mg of benzhydrocodone (equivalent to 6.67 mg of benzhydrocodone hydrochloride) and 325 mg of acetaminophen. The tablets are white, capsule-shaped and are debossed with "KP201" on one side. Dosing should start at one to two tablets every four to six hours, as needed for pain.
Norhydrocodone is the major metabolite of the opioid analgesic hydrocodone. [1] It is formed from hydrocodone in the liver via N-demethylation predominantly by CYP3A4. [1] Unlike hydromorphone, a minor metabolite of hydrocodone, norhydrocodone is described as inactive. [2]
Hydrocodone/ibuprofen , sold under the brand name Vicoprofen, is a fixed-dose combination analgesic medication used in short-term therapy to relieve severe pain. [ 3 ] [ 4 ] Vicoprofen combines the analgesic and antitussive properties of hydrocodone with the analgesic, anti-inflammatory, and antipyretic properties of ibuprofen . [ 1 ]
Carbonate derivatives of 14β-hydroxycodeine "viz., 14β-hydroxy-6-O-(methoxycarbonyl)codeine, 6-O-methoxycarbonyl-14β-(methoxycarbonyloxy)codeine, and 14β-acetoxy-6-O-methoxy-carbonylcodeine, potential substrates for ring C modification in morphinane (sic) alkaloids, were synthesized for the first time."