Uses, Dosage & Side Effects: Nuedexta Capsule

Nuedexta Capsule

Generic namedextromethorphan and quinidine
Drug classNMDA antagonist and sigma-1 agonist; CYP450 2D6 inhibitor (miscellaneous central nervous system agent)
FormsCapsule (oral)

Nuedexta is a brand-name prescription capsule that combines two medicines, dextromethorphan and quinidine. It is used to treat pseudobulbar affect, a condition that causes sudden, uncontrollable laughing or crying.

Read the full guideUses, dosage, side effects, precautions, and sources, written from the same verified facts.

General information, not medical advice

Your prescriber and the leaflet in your pack know your situation. This page does not.

  • Follow your prescriber and the leaflet
  • Don't start, stop, or change a dose on your own
  • Doses and warnings differ by country and product
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