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An equianalgesic chart is a conversion chart that lists equivalent doses of analgesics ... 2.5–3 (C6G 1.94; [14] morphine 2–3) 15–30 min 4–6 hours
Conversion between extended-release and ... morphine is easier than conversion to or from an equianalgesic dose of another ... 5 mg, 10 mg, 15 mg, 30 mg, 60 mg, 100 ...
Morphine pharmaceuticals are subject to annual manufacturing quotas; in 2017 these quotas were 35.0 tonnes of production for sale, and 27.3 tonnes of production as an intermediate, or chemical precursor, for conversion into other drugs. [154] Morphine produced for use in extremely dilute formulations is excluded from the manufacturing quota.
Taken orally, 20 mg of immediate-release oxycodone is considered to be equivalent in analgesic effect to 30 mg of morphine, [71] [72] while extended release oxycodone is considered to be twice as potent as oral morphine. [73] Similarly to most other opioids, oxycodone increases prolactin secretion, but its influence on testosterone levels is ...
Like morphine-N-oxide, it was studied as a potential pharmaceutical drug and is considerably weaker than codeine. The amine oxides of this type form as oxidation products of the parent chemical; virtually every morphine/codeine class opioid has an equivalent nitrogen derivative such as hydromorphone-N-oxide.
Tapentadol, sold under the brand names Nucynta and Palexia among others, is a synthetic opioid analgesic of the benzenoid class with a dual mode of action as a highly selective full agonist of the μ-opioid receptor and as a norepinephrine reuptake inhibitor (NRI). [7]
Oxymorphone (sold under the brand names Numorphan and Opana among others) is a highly potent opioid analgesic indicated for treatment of severe pain. Pain relief after injection begins after about 5–10 minutes, after oral administration it begins after about 30 minutes, and lasts about 3–4 hours for immediate-release tablets and 12 hours for extended-release tablets. [6]
Considered a low-to-medium-potency opioid, tilidine has the oral potency of about 0.2, that is, a dose of 100 mg p.o. is equianalgesic to approximately 20 mg morphine sulfate orally. It is administered orally (by mouth), rectally (by a suppository), or by injection (SC, IM, or slowly IV). [10]