Dextromethorphan/quinidine Interactions
There are 791 drugs known to interact with dextromethorphan/quinidine, along with 6 disease interactions, and 2 alcohol/food interactions. Of the total drug interactions, 271 are major, 505 are moderate, and 15 are minor.
- View all 791 medications that may interact with dextromethorphan/quinidine
- View dextromethorphan/quinidine alcohol/food interactions (2)
- View dextromethorphan/quinidine disease interactions (6)
Most frequently checked interactions
View interaction reports for dextromethorphan / quinidine and the medicines listed below.
- 5-HTP (5-hydroxytryptophan)
- Adderall (amphetamine / dextroamphetamine)
- Adderall XR (amphetamine / dextroamphetamine)
- Advair Diskus (fluticasone / salmeterol)
- Advil (ibuprofen)
- Agrylin (anagrelide)
- Aimovig (erenumab)
- Ajovy (fremanezumab)
- Amrix (cyclobenzaprine)
- Aricept (donepezil)
- Benadryl (diphenhydramine)
- Benadryl Allergy (diphenhydramine)
- Celexa (citalopram)
- Coreg (carvedilol)
- Coumadin (warfarin)
- Depakote (divalproex sodium)
- Eliquis (apixaban)
- Fish Oil (omega-3 polyunsaturated fatty acids)
- Klonopin (clonazepam)
- Lexapro (escitalopram)
- Lipitor (atorvastatin)
- Lyrica (pregabalin)
- Metoprolol Succinate ER (metoprolol)
- Norco (acetaminophen / hydrocodone)
- Plavix (clopidogrel)
- Protonix (pantoprazole)
- Prozac (fluoxetine)
- Ritalin (methylphenidate)
- Sinemet (carbidopa / levodopa)
- Tylenol (acetaminophen)
Dextromethorphan/quinidine alcohol/food interactions
There are 2 alcohol/food interactions with dextromethorphan / quinidine.
Dextromethorphan/quinidine disease interactions
There are 6 disease interactions with dextromethorphan / quinidine which include:
- cardiovascular dysfunction
- anticholinergic activity
- sinus-AV node dysfunction
- electrolyte imbalance
- liver dysfunction
- renal dysfunction
Report options
More about dextromethorphan / quinidine
- dextromethorphan/quinidine consumer information
- Compare alternatives
- Reviews (25)
- Imprints, shape & color data
- Side effects
- Dosage information
- During pregnancy
- Drug class: miscellaneous central nervous system agents
- En español
Related treatment guides
Drug Interaction Classification
| Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
| Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
| Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan. | |
| No interaction information available. |
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Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.