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Drug titration is the process of adjusting the dose of a medication for the maximum benefit without adverse effects. [1] When a drug has a narrow therapeutic index, titration is especially important, because the range between the dose at which a drug is effective and the dose at which side effects occur is small. [2]
An important advantage of tacrolimus is that, unlike steroids, it does not cause skin thinning , or other steroid related side effects. [19] [18] It is applied on the active lesions until they heal off, but may also be used continuously in low doses (twice a week), and applied to the thinner skin over the face and eyelids.
For many drugs, severe toxicities in humans occur at sublethal doses, which limit their maximum dose. A higher safety-based therapeutic index is preferable instead of a lower one; an individual would have to take a much higher dose of a drug to reach the lethal threshold than the dose taken to induce the therapeutic effect of the drug.
As larger doses of these pharmaceuticals are administered the plasma concentrations of the unmetabolized drug increases and the elimination half-life increases. It is therefore necessary to adjust the dose or other treatment parameters when a high dosage is required.
The term dosage form may also sometimes refer only to the pharmaceutical formulation of a drug product's constituent substances, without considering its final configuration as a consumable product (e.g., capsule, patch, etc.). Due to the somewhat ambiguous nature and overlap of these terms within the pharmaceutical industry, caution is ...
The maximum tolerable dose (MTD) information is necessary to be able to design such groups and therefore dose-ranging studies are usually designed after the availability of MTD information. [1] The main goal of a dose-ranging study is to estimate the response vs. dose given, so as to analyze the efficacy and safety of the drug.
Deracoxib is a coxib class nonsteroidal anti-inflammatory drug (NSAID). [3] Like other NSAIDs, its effects are caused by inhibition of cyclooxygenase (COX) enzymes. [7] At the doses used to treat dogs, deracoxib causes greater inhibition of COX-2 than of COX-1, [3] but at doses twice those recommended for use in dogs, deracoxib significantly inhibits COX-1 as well.
The fixed-dose procedure (FDP), proposed in 1992 by the British Toxicology Society, is a method to assess a substance's acute oral toxicity. [ 1 ] [ 2 ] In comparison to the older LD 50 test developed in 1927, this procedure produces similar results while using fewer animals and causing less pain and suffering. [ 3 ]