Interaction Checker

Naldemedine interactions

Naldemedine (Symproic), an opioid antagonist has 76 documented interactions across the FDA labels and fact sheets we index: 45 major, 29 moderate, 0 minor, and 2 where a label reports no significant interaction. Each entry below quotes the sentence behind it. This drug page is a starting point, not a verdict for your situation.

Major interactions (45)

  • AprepitantCYP3A4 inhibitorMajor

    John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (Naldemedine label, Drug interactions)

  • ArmodafinilCNS stimulantMajor

    John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (Naldemedine label, Drug interactions)

  • Bictegravir, emtricitabine, and tenofovir alafenamideantiretroviralMajor

    Opioid Antagonist: Naloxegol ↑ naloxegol Avoid use with BIXLENVO; if unavoidable, decrease the dosage of naloxegol and monitor for adverse reactions. (Bictegravir, emtricitabine, and tenofovir alafenamide label, Drug interactions)

  • BosentanCYP3A4 inducerMajor

    John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (Naldemedine label, Drug interactions)

  • BuprenorphineopioidMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

  • Buprenorphine and naloxoneopioidMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

  • ButorphanolopioidMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

  • CarbamazepineanticonvulsantMajor

    John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (Naldemedine label, Drug interactions)

  • CenobamateanticonvulsantMajor

    John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (Naldemedine label, Drug interactions)

  • ClobazambenzodiazepineMajor

    John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (Naldemedine label, Drug interactions)

  • CodeineopioidMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

  • Deferasiroxiron supplementMajor

    John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (Naldemedine label, Drug interactions)

  • DexamethasonecorticosteroidMajor

    John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (Naldemedine label, Drug interactions)

  • EluxadolineopioidMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

  • EslicarbazepineanticonvulsantMajor

    John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (Naldemedine label, Drug interactions)

  • FentanylopioidMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

  • GriseofulvinantifungalMajor

    John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (Naldemedine label, Drug interactions)

  • Hydrocodone and acetaminophenopioidMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

  • HydromorphoneopioidMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

  • LevorphanolopioidMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

  • MeperidineopioidMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

  • MethadoneopioidMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

  • Methylnaltrexoneopioid antagonistMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

  • ModafinilCNS stimulantMajor

    John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (Naldemedine label, Drug interactions)

  • MorphineopioidMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

  • NalbuphineopioidMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

  • Naloxoneopioid antagonistMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

  • Naltrexoneopioid antagonistMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

  • Naltrexone and bupropionopioid antagonistMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

  • Nirmatrelvir and ritonavirantiviralMajor

    …Migraine medications: eletriptan, ubrogepant • Mineralocorticoid receptor antagonists: finerenone • Non-opioid analgesic (selective blocker of Na v 1.8 sodium channels): suzetrigine • Opioid antagonists: naloxegol • PDE5 inhibitor: sildenafil (Revatio ® ) when used for pulmonary arterial hypertension (PAH) • Sedative/hypnotics: triazolam, oral midazolam • Serotonin… (Nirmatrelvir and ritonavir label, Contraindications)

  • OliceridineopioidMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

  • OxcarbazepineanticonvulsantMajor

    John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (Naldemedine label, Drug interactions)

  • OxycodoneopioidMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

  • Oxycodone and acetaminophenopioidMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

  • OxymorphoneopioidMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

  • Pentazocine and naloxoneopioidMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

  • PhenobarbitalbarbiturateMajor

    John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (Naldemedine label, Drug interactions)

  • Phentermine and topiramateCNS stimulantMajor

    John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (Naldemedine label, Drug interactions)

  • PhenytoinanticonvulsantMajor

    John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (Naldemedine label, Drug interactions)

  • PrimidoneanticonvulsantMajor

    John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (Naldemedine label, Drug interactions)

  • RifampinantibioticMajor

    John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (Naldemedine label, Drug interactions)

  • RitonavirantiretroviralMajor

    John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (Naldemedine label, Drug interactions)

  • TapentadolopioidMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

  • TopiramateanticonvulsantMajor

    John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (Naldemedine label, Drug interactions)

  • TramadolopioidMajor

    Intervention Avoid use of SYMPROIC with another opioid antagonist. (Naldemedine label, Drug interactions)

Moderate interactions (29)

  • AmiodaroneantiarrhythmicModerate

    Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (Naldemedine label, Drug interactions)

  • CaptoprilACE inhibitorModerate

    P-glycoprotein (P-gp) Inhibitors (e.g., amiodarone, captopril, cyclosporine, quercetin, quinidine, verapamil) Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse Reactions (6.1) ] . (Naldemedine label, Drug interactions)

  • CimetidineH2 blockerModerate

    Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (Naldemedine label, Drug interactions)

  • Clarithromycinmacrolide antibioticModerate

    Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (Naldemedine label, Drug interactions)

  • CyclosporineimmunosuppressantModerate

    Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (Naldemedine label, Drug interactions)

  • Diltiazemcalcium channel blockerModerate

    Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (Naldemedine label, Drug interactions)

  • DronedaroneantiarrhythmicModerate

    Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (Naldemedine label, Drug interactions)

  • Erythromycinmacrolide antibioticModerate

    Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (Naldemedine label, Drug interactions)

  • EverolimusimmunosuppressantModerate

    Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (Naldemedine label, Drug interactions)

  • FlibanserinCNS depressantModerate

    P-glycoprotein (P-gp) Inhibitors (e.g., amiodarone, captopril, cyclosporine, quercetin, quinidine, verapamil) Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse Reactions (6.1) ] . (Naldemedine label, Drug interactions)

  • Fluconazoleazole antifungalModerate

    Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (Naldemedine label, Drug interactions)

  • ImatinibCYP3A4 inhibitorModerate

    Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (Naldemedine label, Drug interactions)

  • IsoniazidantibioticModerate

    Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (Naldemedine label, Drug interactions)

  • Itraconazoleazole antifungalModerate

    Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (Naldemedine label, Drug interactions)

  • IvacaftorCYP3A4 inhibitorModerate

    Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (Naldemedine label, Drug interactions)

  • Ketoconazoleazole antifungalModerate

    Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (Naldemedine label, Drug interactions)

  • Lofexidinealpha-adrenergic agonistModerate

    Oral Naltrexone : Concomitant use may reduce efficacy of oral naltrexone. (Lofexidine label, Drug interactions)

  • Mirabegronbeta-adrenergic agonistModerate

    Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (Naldemedine label, Drug interactions)

  • PalbociclibCYP3A4 inhibitorModerate

    Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (Naldemedine label, Drug interactions)

  • PerampanelanticonvulsantModerate

    Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (Naldemedine label, Drug interactions)

  • Posaconazoleazole antifungalModerate

    Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (Naldemedine label, Drug interactions)

  • PropafenoneantiarrhythmicModerate

    P-glycoprotein (P-gp) Inhibitors (e.g., amiodarone, captopril, cyclosporine, quercetin, quinidine, verapamil) Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse Reactions (6.1) ] . (Naldemedine label, Drug interactions)

  • RanolazineQT-prolonging drugModerate

    Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (Naldemedine label, Drug interactions)

  • Sofosbuvir and velpatasvirantiviralModerate

    P-glycoprotein (P-gp) Inhibitors (e.g., amiodarone, captopril, cyclosporine, quercetin, quinidine, verapamil) Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse Reactions (6.1) ] . (Naldemedine label, Drug interactions)

  • Suvorexantsedative-hypnoticModerate

    Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (Naldemedine label, Drug interactions)

  • Ticagrelorantiplatelet agentModerate

    Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (Naldemedine label, Drug interactions)

  • Verapamilcalcium channel blockerModerate

    Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (Naldemedine label, Drug interactions)

  • Voriconazoleazole antifungalModerate

    Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (Naldemedine label, Drug interactions)

  • ZonisamideanticonvulsantModerate

    P-glycoprotein (P-gp) Inhibitors (e.g., amiodarone, captopril, cyclosporine, quercetin, quinidine, verapamil) Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse Reactions (6.1) ] . (Naldemedine label, Drug interactions)

No significant interaction reported (2)

  • AcamprosateNo interaction

    The pharmacokinetics of acamprosate are not affected by alcohol, diazepam, or disulfiram, and clinically important interactions between naltrexone and acamprosate were not observed [ see Clinical Pharmacology ( 12.3 ) ]. (Acamprosate label, Drug interactions)

  • Emtricitabine and tenofovirantiretroviralNo interaction

    No clinically significant drug interactions have been either observed or are expected when DESCOVY is combined with the following drugs: buprenorphine, itraconazole, ketoconazole, lorazepam, methadone, midazolam, naloxone, norbuprenorphine, norgestimate/ethinyl estradiol, and sertraline. (Emtricitabine and tenofovir label, Drug interactions)

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Not medical advice. Severity reflects the label's wording, not your circumstances. A "major" flag can be routine under supervision and a "minor" one can matter at high doses. Ask a pharmacist.