Brief Answer: Dronedarone, all interactiong medicines listed Detailed Answer: Thank you for asking Multaq is a brand name for Dronedarone is an antidysrhythmic and is used for atrial fibrillations and flutter. It Reduces the risk of hospitalization for atrial fibrillation (AF) in patients in sinus rhythm with history of paroxysmal or persistent AF. Here is a list of all The medications contraindicated or interacted with dronedarone and should not be used. Following are Contraindicated and no way be used. amitriptyline arsenic trioxide astemizole cisapride citalopram clomipramine crizotinib desipramine disopyramide fingolimod ibutilide imipramine indapamide ketoconazole lomitapide mifepristone nefazodone nortriptyline ondansetron pasireotide pentamidine pimozide procainamide quinidine quinine sorafenib sotalol terfenadine toremifene Following interactions are Serious - Use Alternative (151) afatinib amiodarone amisulpride amitriptyline amobarbital amoxapine aprepitant armodafinil artemether/lumefantrine astemizole atazanavir axitinib azithromycin bosentan bosutinib budesonide butabarbital butalbital carbamazepine chlorpromazine cimetidine ciprofloxacin cisapride clarithromycin clobetasone clomipramine conivaptan cortisone cyclosporine darifenacin darunavir dasatinib deflazacort delavirdine desipramine dexamethasone dhea digoxin dihydroergotamine dihydroergotamine intranasal diltiazem dofetilide dosulepin doxepin droperidol efavirenz epinephrine epinephrine racemic ergotamine eribulin erythromycin base erythromycin ethylsuccinate erythromycin lactobionate erythromycin stearate eslicarbazepine acetate ethotoin etravirine eucalyptus everolimus fluconazole fludrocortisone fluphenazine fluvoxamine formoterol fosamprenavir fosphenytoin grapefruit griseofulvin haloperidol hexobarbital hydrocortisone idelalisib imipramine indinavir isoniazid itraconazole ivabradine ivacaftor lapatinib lofepramine lumefantrine maprotiline marijuana mefloquine mephobarbital methylprednisolone metronidazole mianserin mibefradil miconazole vaginal modafinil moxifloxacin nafcillin nelfinavir nevirapine nilotinib nortriptyline octreotide octreotide (antidote) oxcarbazepine oxiconazole pentobarbital perphenazine phenobarbital phenytoin pomalidomide posaconazole prednisolone prednisone primidone prochlorperazine promazine promethazine propafenone protriptyline quinupristin/dalfopristin ranolazine rifabutin rifampin rifapentine riociguat ritonavir rufinamide saquinavir secobarbital sertindole silodosin sitaxentan st john's wort tacrolimus telithromycin terfenadine thioridazine tolvaptan topiramate topotecan trazodone triamcinolone trifluoperazine trimipramine troglitazone troleandomycin umeclidinium bromide/vilanterol inhaled vandetanib vemurafenib verapamil vilanterol/fluticasone inhaled vilazodone voriconazole zafirlukast ziprasidone Following has interaction Significant -and needs to Monitor Closely (191) alitretinoin almotriptan alprazolam amikacin aprepitant aripiprazole artemether/lumefantrine atomoxetine atorvastatin avanafil azithromycin bazedoxifene/conjugated estrogens bedaquiline bortezomib budesonide buspirone cabazitaxel cabozantinib carbamazepine carvedilol ceritinib cilostazol cinacalcet clobetasone clomipramine clopidogrel clozapine colchicine conivaptan conjugated estrogens conjugated estrogens, vaginal cortisone crofelemer cyclosporine dabigatran dabrafenib darifenacin darunavir dasatinib daunorubicin daunorubicin liposomal deferasirox deflazacort desipramine dexamethasone diazepam dienogest/estradiol valerate digoxin docetaxel dolasetron doxorubicin doxorubicin liposomal duloxetine dyphylline efavirenz eletriptan elvitegravir/cobicistat/emtricitabine/tenofovir eplerenone erlotinib estradiol estrogens conjugated synthetic estrogens esterified estropipate etonogestrel etoposide etravirine ezogabine felodipine fentanyl intranasal fesoterodine flecainide fludrocortisone fluoxetine fluvoxamine fosamprenavir foscarnet gentamicin guanfacine haloperidol hydrocodone hydrocortisone hydromorphone hydroxyprogesterone caproate iloperidone imatinib indacaterol, inhaled indinavir irinotecan ivermectin ixabepilone kanamycin lacidipine lapatinib lercanidipine levobupivacaine levofloxacin lofepramine loperamide lopinavir loratadine lovastatin lumefantrine lurasidone maraviroc mefloquine mestranol methadone methamphetamine methylprednisolone metoprolol mexiletine mibefradil midazolam mitotane morphine mycophenolate nebivolol nelfinavir neomycin po netilmicin nicardipine nifedipine nilotinib nisoldipine ofloxacin olodaterol inhaled oxycodone oxymorphone paclitaxel paclitaxel protein bound paliperidone paromomycin paroxetine pazopanib ponatinib posaconazole prednisolone prednisone propafenone propranolol quetiapine quinidine ranolazine repaglinide rifaximin rilpivirine rimonabant risperidone ritonavir rivaroxaban romidepsin ruxolitinib saquinavir sertindole sildenafil silodosin simvastatin sirolimus solifenacin streptomycin sulfamethoxazole sunitinib tacrolimus tadalafil tamoxifen tamsulosin telavancin telithromycin temsirolimus teniposide theophylline timolol tipranavir tobramycin tofacitinib tolterodine tolvaptan trazodone triamcinolone triazolam trimethoprim tropisetron vardenafil venlafaxine verapamil vinblastine vincristine vincristine liposomal vismodegib voriconazole warfarin Minor (78) alfentanil alfuzosin aliskiren alosetron alvimopan ambrisentan amlodipine aripiprazole armodafinil bosentan cevimeline chlorpromazine clarithromycin clomethiazole codeine dapsone delavirdine dexfenfluramine dextroamphetamine dextromethorphan disopyramide docetaxel donepezil doxepin dutasteride encainide esomeprazole etoricoxib eucalyptus fentanyl fentanyl transdermal fentanyl transmucosal fesoterodine fexofenadine finasteride fluoxetine fluphenazine galantamine imatinib isradipine lansoprazole loratadine mibefradil montelukast nifedipine nimodipine nitrendipine omeprazole oxybutynin paclitaxel paclitaxel protein bound pantoprazole parecoxib perhexiline perphenazine pimozide pioglitazone prochlorperazine promazine promethazine rabeprazole ramelteon risperidone saxagliptin sufentanil tolterodine tramadol trifluoperazine troleandomycin tropisetron vesnarinone vinblastine vincristine vincristine liposomal vinorelbine zaleplon zolpidem zonisamide I hope it helps. Take good care of yourself and dont forget to close the discussion please. May the odds be ever in your favour. Regards Khan