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Acute use (1–3 days) yields a potency about 1.5× stronger than that of morphine and chronic use (7 days+) yields a potency about 2.5 to 5× that of morphine. Similarly, the effect of tramadol increases after consecutive dosing due to the accumulation of its active metabolite and an increase of the oral bioavailability in chronic use.
All statins appear effective regardless of potency or degree of cholesterol reduction. [ 25 ] [ 45 ] [ 46 ] Simvastatin and pravastatin appear to have a reduced incidence of side-effects. [ 5 ] [ 47 ] [ 48 ]
Variation in potency of certain effects may exist amongst individual benzodiazepines. Some benzodiazepines produce active metabolites. Active metabolites are produced when a person's body metabolizes the drug into compounds that share a similar pharmacological profile to the parent compound and thus are relevant when calculating how long the ...
In pharmacology, potency or biological potency [1] is a measure of a drug's biological activity expressed in terms of the dose required to produce a pharmacological effect of given intensity. [2]
Ezetimibe/atorvastatin (trade names Liptruzet, Atozet) is a cholesterol lowering combination drug.In the United States, it was approved in May 2013, by the Food and Drug Administration for the treatment of elevated low-density lipoprotein (LDL) in patients with primary or mixed hyperlipidemia as adjunctive therapy to diet. [1]
Multivitamins nutrition facts label showing that the international unit of, for example, vitamins D and E correspond to different gram values. In pharmacology, the international unit (IU) is a unit of measurement for the effect or biological activity of a substance, for the purpose of easier comparison across similar forms of substances.
Statin-induced rhabdomyolysis is rare, occurring in less than 0.1% of people who take statins. [66] [67] [68] Statin induced rhabdomyolysis, as with other statin associated muscle symptoms, occurs most commonly in the first year of treatment but can occur at any time during treatment. [66]
The term "potency" refers to the EC 50 value. The lower the EC 50 , the less the concentration of a drug is required to produce 50% of maximum effect and the higher the potency. The EC 10 and EC 90 concentrations to induce 10% and 90% maximal responses are defined similarly.