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Medicines (732)

Medicines > classes: None

& duration

: 12 hours

or 24 hours (0.7% formulation); 8-12 hours (lower-strength)

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Dextromethorphan / Quinidine (1)

Nuedexta (1)

'"`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`"'. (1)

'"`UNIQ--vote-00001582-QINU`"' (1)

1 capsule (20/10 mg dextromethorphan/quinidine) PO once daily × 7 days, then 1 capsule BID (1)

20 mg dextromethorphan HBr / 10 mg quinidine sulfate capsules (1)

1 capsule BID (40 mg DXM / 20 mg quinidine per day) (1)

Oral (1)

PBA episode reduction within 1-2 weeks (1)

Dextromethorphan substantially prolonged by quinidine's CYP2D6 inhibition (typical extensive metabolizers see ~10× higher AUC); quinidine ~6-8 hours'"`UNIQ--ref-00001583-QINU`"' (1)

Increased substantially via CYP2D6 inhibition'"`UNIQ--ref-00001584-QINU`"' (1)

Limited data; quinidine has been used in pregnancy as antiarrhythmic.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> (1)

[[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`"' (1)

Showing below up to 1 result in range #1 to #1.

N

Nuedexta

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