Nuedexta
Nuedexta generic name: Dextromethorphan Hbr-Quinidine
What is Nuedexta used for?
This medication is used to treat a certain mental/mood disorder (pseudobulbar affect). This disorder may occur due to various conditions that affect the brain (such as stroke, amyotrophic lateral sclerosis-ALS, multiple sclerosis). This medication may help decrease sudden outbursts of uncontrollable/inappropriate laughing and/or crying. This medication is a combination of 2 ingredients: dextromethorphan and quinidine. Dextromethorphan works in the brain, though it is not known exactly how it helps treat pseudobulbar affect. Quinidine is added to this medication to increase the effect of dextromethorphan.
CHEMICAL NAME
DRUG TYPE
Neurologic DiseasesNuedexta Prices
Searching for the lowest prices
Nuedexta Frequently Asked Questions
See also the How to Use section.
Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.
Some products that may interact with this drug include: fingolimod, propafenone, rolapitant.
This medication can slow down the removal of other medications from your body, which may affect how they work. Examples of affected drugs include aliskiren, codeine, digoxin, mefloquine, tricyclic antidepressants (such as desipramine, imipramine), among others.
Other medications can affect the removal of quinidine from your body, which may affect how quinidine works. Examples include cobicistat, mifepristone, ritonavir, certain azole antifungals (including fluconazole, itraconazole, ketoconazole, posaconazole, voriconazole), certain protease inhibitors (such as nelfinavir, tipranavir), among others.
Taking MAO inhibitors with this medication may cause a serious (possibly fatal) drug interaction. Avoid taking MAO inhibitors (isocarboxazid, linezolid, metaxalone, methylene blue, moclobemide, phenelzine, procarbazine, rasagiline, safinamide, selegiline, tranylcypromine) during treatment with this medication. Most MAO inhibitors should also not be taken for two weeks before and after treatment with this medication. Ask your doctor when to start or stop taking this medication.
Many drugs besides quinidine may affect the heart rhythm (QT prolongation), including artemether/lumefantrine, ranolazine, toremifene, antiarrhythmic drugs (such as amiodarone, disopyramide, dofetilide, dronedarone, ibutilide, sotalol), antipsychotics (such as pimozide, thioridazine, ziprasidone), among others.
The risk of serotonin syndrome/toxicity increases if you are also taking other drugs that increase serotonin. Examples include street drugs such as MDMA/"ecstasy," St. John's wort, certain antidepressants (including SSRIs such as fluoxetine/paroxetine, SNRIs such as duloxetine/venlafaxine), among others. The risk of serotonin syndrome/toxicity may be more likely when you start or increase the dose of these drugs.
Quinidine is very similar to quinine. Do not use medications containing quinine while using quinidine.
IMPORTANT: HOW TO USE THIS INFORMATION: This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs.