Dofetilide (Oral Route)

Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.

Using this medicine with any of the following medicines is not recommended. Your doctor may decide not to treat you with this medication or change some of the other medicines you take.

• Amifampridine
• Amisulpride
• Bepridil
• Cimetidine
• Cisapride
• Dolutegravir
• Dronedarone
• Fingolimod
• Fluconazole
• Hydrochlorothiazide
• Itraconazole
• Ketoconazole
• Levomethadyl
• Megestrol
• Mesoridazine
• Pimozide
• Piperaquine
• Posaconazole
• Prochlorperazine
• Saquinavir
• Sparfloxacin
• Sulfamethoxazole
• Terfenadine
• Thioridazine
• Trimethoprim
• Verapamil
• Vernakalant
• Ziprasidone

Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.

• Acecainide
• Alfuzosin
• Amiloride
• Amiodarone
• Amitriptyline
• Amoxapine
• Anagrelide
• Apomorphine
• Aprindine
• Aripiprazole
• Arsenic Trioxide
• Artemether
• Asenapine
• Astemizole
• Azimilide
• Azithromycin
• Azosemide
• Bedaquiline
• Bemetizide
• Bendroflumethiazide
• Benzthiazide
• Bretylium
• Bumetanide
• Buserelin
• Buthiazide
• Chloral Hydrate
• Chloroquine
• Chlorothiazide
• Chlorpromazine
• Chlorthalidone
• Ciprofloxacin
• Citalopram
• Clarithromycin
• Clomipramine
• Clopamide
• Clozapine
• Crizotinib
• Cyclobenzaprine
• Cyclopenthiazide
• Cyclothiazide
• Dabrafenib
• Dasatinib
• Degarelix
• Delamanid
• Desipramine
• Deslorelin
• Diazoxide
• Dibenzepin
• Digoxin
• Dirithromycin
• Disopyramide
• Dofetilide
• Dolasetron
• Domperidone
• Donepezil
• Doxepin
• Droperidol
• Efavirenz
• Enflurane
• Erythromycin
• Escitalopram
• Ethacrynic Acid
• Etozolin
• Fenquizone
• Flecainide
• Fluoxetine
• Foscarnet
• Furosemide
• Gatifloxacin
• Gemifloxacin
• Gonadorelin
• Goserelin
• Granisetron
• Halofantrine
• Haloperidol
• Halothane
• Histrelin
• Hydroflumethiazide
• Hydroxychloroquine
• Hydroxyzine
• Ibutilide
• Iloperidone
• Imipramine
• Indapamide
• Isoflurane
• Isradipine
• Ivabradine
• Josamycin
• Lamotrigine
• Lapatinib
• Leuprolide
• Levofloxacin
• Lidoflazine
• Lopinavir
• Lorcainide
• Lumefantrine
• Mefloquine
• Metformin
• Methadone
• Methyclothiazide
• Metolazone
• Metronidazole
• Mifepristone
• Moricizine
• Moxifloxacin
• Nafarelin
• Nilotinib
• Norfloxacin
• Nortriptyline
• Octreotide
• Ofloxacin
• Ondansetron
• Paliperidone
• Panobinostat
• Pasireotide
• Pazopanib
• Pentamidine
• Perflutren Lipid Microsphere
• Pimavanserin
• Piretanide
• Pitolisant
• Polythiazide
• Prilocaine
• Probucol
• Procainamide
• Promethazine
• Propafenone
• Protriptyline
• Quetiapine
• Quinethazone
• Quinidine
• Ranolazine
• Risperidone
• Roxithromycin
• Salmeterol
• Sematilide
• Sertindole
• Sevoflurane
• Sodium Phosphate
• Sodium Phosphate, Dibasic
• Sodium Phosphate, Monobasic
• Solifenacin
• Sorafenib
• Sotalol
• Spiramycin
• Sulpiride
• Sultopride
• Sunitinib
• Tacrolimus
• Tedisamil
• Telavancin
• Telithromycin
• Tetrabenazine
• Tizanidine
• Toremifene
• Torsemide
• Trazodone
• Triamterene
• Trichlormethiazide
• Trifluoperazine
• Trimipramine
• Triptorelin
• Troleandomycin
• Vandetanib
• Vardenafil
• Vasopressin
• Vemurafenib
• Vinflunine
• Voriconazole
• Xipamide
• Zolmitriptan
• Zotepine
• Zuclopenthixol

Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.

If you miss a dose of this medicine, skip the missed dose and go back to your regular dosing schedule. Do not double doses.

Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.

Keep out of the reach of children.

Do not keep outdated medicine or medicine no longer needed.

Ask your healthcare professional how you should dispose of any medicine you do not use.