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Page values for "Nuedexta"

From Pharmacopedia
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"Medicines" values

1 row is stored for this page
FieldField typeValue
genericStringDextromethorphan / Quinidine
brandStringNuedexta
structureFile
classesList of String, delimiter: ,
mechanismString'"`UNIQ--vote-00001580-QINU`"' First FDA-approved treatment for PBA. The 10 mg quinidine daily dose is far below antiarrhythmic levels but sufficient to nearly fully inhibit CYP2D6, the basis of the combination's pharmacokinetic rationale'"`UNIQ--ref-00001581-QINU`"'.
usesString'"`UNIQ--vote-00001582-QINU`"'
starting_doseString1 capsule (20/10 mg dextromethorphan/quinidine) PO once daily × 7 days, then 1 capsule BID
preparationsString20 mg dextromethorphan HBr / 10 mg quinidine sulfate capsules
fda_maxString1 capsule BID (40 mg DXM / 20 mg quinidine per day)
pill_idText
routesList of String, delimiter: ,Oral
onsetStringPBA episode reduction within 1-2 weeks
durationString12 hours
halflifeStringDextromethorphan substantially prolonged by quinidine's CYP2D6 inhibition (typical extensive metabolizers see ~10× higher AUC); quinidine ~6-8 hours'"`UNIQ--ref-00001583-QINU`"'
bioavailabilityStringIncreased substantially via CYP2D6 inhibition'"`UNIQ--ref-00001584-QINU`"'
pregnancyStringLimited data; quinidine has been used in pregnancy as antiarrhythmic.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup>
legalString[[USLegal:Prescription only|Rx-only]] in US. Caution with QT-prolonging medicines (quinidine itself is class IA antiarrhythmic, and the dose here, though sub-antiarrhythmic, still contributes to QT)'"`UNIQ--ref-00001585-QINU`"'