Dofetilide (Tikosyn) is used to correct irregular heartbeats (arrhythmias). It relaxes an overactive heart and helps improve the heart’s pumping action.
The first dose of dofetilide is given in the hospital. This is so your condition and response the medication dose can be closely monitored and your doctor can determine the right dose for you.
Dofetilide comes in capsule form. Your prescription label tells you how much medication to take and how often to take it. It is important to take dofetilide exactly as prescribed, at the same time every day, even if you feel well. Ask your doctor or pharmacist to explain anything you don’t understand. You can take dofetilide with or without food. Do not skip a dose or take less or more of the medication than your doctor prescribes.
If you have any questions about your prescription or how to get refills, ask your pharmacist for help.
Not all pharmacies can fill your dofetilide prescription. Check with your regular pharmacy to see if they can order the medication. If you have trouble finding the medication, talk to your doctor.
Before dofetilide is prescribed, tell your doctor:
Other important instructions when taking dofetilide:
Take the missed dose as soon as you remember. However, if you remember a missed dose near the time you should take the next dose, take only the regularly scheduled dose. Do not take a double dose. If you are unsure of what to do, contact your doctor or pharmacist.
Call your doctor right away or seek emergency treatment if you have:
Talk with your doctor if you have these less serious side effects:
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This information is provided by the Cleveland Clinic and is not intended to replace the medical advice of your doctor or healthcare provider. Please consult your healthcare provider for advice about a specific medical condition.
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