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Hydromorphone, also known as dihydromorphinone, and sold under the brand name Dilaudid among others, is a morphinan opioid used to treat moderate to severe pain. [7] Typically, long-term use is only recommended for pain due to cancer. [9] It may be used by mouth or by injection into a vein, muscle, or under the skin. [7]
Context-sensitive half-life or context sensitive half-time is defined as the time taken for blood plasma concentration of a drug to decline by one half after an infusion designed to maintain a steady state (i.e. a constant plasma concentration) has been stopped. The "context" is the duration of infusion.
Biological half-life (elimination half-life, pharmacological half-life) is the time taken for concentration of a biological substance (such as a medication) to decrease from its maximum concentration (C max) to half of C max in the blood plasma.
An equianalgesic chart can be a useful tool, but the user must take care to correct for all relevant variables such as route of administration, cross tolerance, half-life and the bioavailability of a drug. [5] For example, the narcotic levorphanol is 4–8 times stronger than morphine, but also has a much longer half-life. Simply switching the ...
There is an important relationship between clearance, elimination half-life and distribution volume. The elimination rate constant of a drug K e l {\displaystyle K_{el}} is equivalent to total clearance divided by the distribution volume
Dilaudid (hydromorphone), a powerful and very water-soluble narcotic analgesic (Betäubungsmittel) introduced in 1926, as small oral tablets of a number of strengths, multipurpose (hypodermic) tablets, compounding powder, ampoules of solution for injection, and dry ampoules for reconstitution.
Isotonitazene is a benzimidazole-derived opioid analgesic drug related to etonitazene, [3] [4] [5] which has been sold as a designer drug. [6] [7] [8] It has only ...
Diacetyldihydromorphine (also known as Paralaudin, dihydroheroin, acetylmorphinol) is a potent opiate derivative developed in Germany in 1928 which is rarely used in some countries for the treatment of severe pain such as that caused by terminal cancer, as another form of diacetylmorphine (also commonly known as Heroin).