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Pregabalin, sold under the brand name Lyrica among others, is an anticonvulsant, analgesic, and anxiolytic amino acid medication used to treat epilepsy, neuropathic pain, fibromyalgia, restless legs syndrome, opioid withdrawal, and generalized anxiety disorder (GAD). [13] [17] [18] Pregabalin also has antiallodynic properties.
However, food has been found to substantially delay the absorption of pregabalin and to significantly reduce peak levels without affecting the bioavailability of the drug; T max values for pregabalin of 0.6 hours in a fasted state and 3.2 hours in a fed state (5-fold difference), and the C max is reduced by 25–31% in a fed versus fasted state ...
The effectiveness of pregabalin and its older relative gabapentin against pain syndromes of this kind (which tend to respond poorly to other analgesic drugs) has led to their widespread use, and these drugs have subsequently been found to be useful for many other medical applications, including as anticonvulsants, muscle relaxants, anxiolytics ...
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As a result, the pharmacokinetics of gabapentin is dose-dependent, with diminished bioavailability and delayed peak levels at higher doses. [ 86 ] The oral bioavailability of gabapentin is approximately 80% at 100 mg administered three times daily once every 8 hours, but decreases to 60% at 300 mg, 47% at 400 mg, 34% at 800 mg, 33% at 1,200 mg ...
The following other wikis use this file: Usage on ar.wikipedia.org بريغابالين; Usage on bg.wikipedia.org Прегабалин; Usage on bn.wikipedia.org
Gabapentin and pregabalin are also members of this class. As a gabapentinoid, mirogabalin binds to the α 2 δ subunit of voltage-gated calcium channel (1 and 2), but with significantly higher potency than pregabalin.
The therapeutic index (TI; also referred to as therapeutic ratio) is a quantitative measurement of the relative safety of a drug with regard to risk of overdose.It is a comparison of the amount of a therapeutic agent that causes toxicity to the amount that causes the therapeutic effect. [1]