An 84-year-old woman presented to her primary care physician with an unexplained 4-month history of weight and appetite loss after initiation of dofetilide 125 mcg orally twice daily for atrial fibrillation. She was noted to have lost 2.5 kg, which was a 3.6% decrease from her initial body weight of 69.4 kg.

How long does it take for Tikosyn to work?

During the 3 days, your doctor will keep monitoring you after each dose of Tikosyn. In some cases, it may take your heart rhythm longer than 3 days to convert to a normal rhythm.

Does Tikosyn make you sleepy?

Adverse EventTIKOSYN %Placebo %flu syndrome42insomnia43accidental injury31back pain32

When should dofetilide be used?

Dofetilide is used to treat an irregular heartbeat (including atrial fibrillation or atrial flutter). It is in a class of medications called antiarrhythmics. It improves your heart rhythm by relaxing an overactive heart.

Can you drink alcohol while taking dofetilide?

Limit alcoholic beverages. Dofetilide may cause a condition that affects the heart rhythm (QT prolongation). QT prolongation can infrequently result in serious (rarely fatal) fast/irregular heartbeat and other symptoms (such as severe dizziness, fainting) that need medical attention right away.

What foods should be avoided with atrial fibrillation?

• Alcohol. Alcohol tops the list of items to avoid on an atrial fibrillation diet. …
• Caffeine. …
• Grapefruit. …
• Cranberry Juice. …
• Asparagus and Leafy Green Vegetables. …
• Processed and Salty Foods. …
• Gluten.

Which is better amiodarone or Tikosyn?

Tikosyn (Dofetilide) An option for treating life-threatening heart rate problems when other medicines or procedures haven’t worked. Cordarone (Amiodarone) has been shown to lower the number of heart rate problems you can experience after certain types of heart surgeries.

How successful is Tikosyn?

There were 249 patients in the TIKOSYN group and 257 patients in the placebo group. In total, 148 patients treated with TIKOSYN (59%) and 86 patients treated with placebo (34%) were restored successfully to NSR (either pharmacologically or by direct current cardioversion).

What is the best exercise for atrial fibrillation?

Once you’ve warmed up, try exercises such as power walking, jogging, or hiking to get a good workout without overloading your heart. Riding an exercise bike or using an elliptical machine or treadmill are also safe workouts for people with AFib. Lifting light weights can also be a good workout.

Should Tikosyn be taken with food?

You may take dofetilide with or without food. You should not skip doses or stop using dofetilide suddenly. Stopping suddenly may make your condition worse. Follow your doctor’s instructions about tapering your dose.

Article first time published on

Can DilTIAZem and dofetilide be taken together?

Interactions between your drugs DilTIAZem may increase the blood levels of dofetilide in some patients. High blood levels of dofetilide can increase the risk of an irregular heart rhythm that may be serious and potentially life-threatening.

What should I monitor with dofetilide?

Monitor for ECG changes if therapy is initiated in patients with drugs known to prolong QT interval. dofetilide and panobinostat both increase QTc interval. Avoid or Use Alternate Drug. Panobinostat is known to significantly prolong QT interval.

Can I take Tikosyn and Lasix together?

Using dofetilide together with furosemide can increase the risk of an irregular heart rhythm that may be serious. If your doctor prescribes these medications together, you may need regular monitoring of your electrolyte (magnesium, potassium) levels as well as other tests to safely use both medications.

What can I monitor with Tikosyn?

TIKOSYN Treatment Guidelines TIKOSYN must be initiated in a setting that provides continuous electrocardiographic (ECG) monitoring and in the presence of personnel trained in the management of serious ventricular arrhythmias. Patients should continue to be monitored in this way for a minimum of 3 days.

Does AFib cause increased urination?

You may also notice increased urination. AFib may not cause any symptoms at all — some people don’t know they have this condition until it’s discovered by their doctor.

Can you exercise on Tikosyn?

Tikosyn (dofetilide) is an antiarrhythmic drug used to stop A fib (a chaotic heart beat) and keep people in normal heart rhythm. Exercise generally is considered safe with this medication, but I think a pulse monitor might be a good idea to make sure you aren’t going into a dangerously high range.

Can you take ibuprofen with Tikosyn?

Interactions between your drugs No interactions were found between ibuprofen and Tikosyn. This does not necessarily mean no interactions exist. Always consult your healthcare provider.

What medications are contraindicated with Tikosyn?

The concomitant use of verapamil or the cation transport system inhibitors cimetidine, trimethoprim (alone or in combination with sulfamethoxazole), or ketoconazole with TIKOSYN is contraindicated (see WARNINGS and PRECAUTIONS, Drug-Drug Interactions), as each of these drugs cause a substantial increase in dofetilide …

What is the safest antiarrhythmic drug?

Dronedarone was the best tolerated of the antiarrhythmic drugs, with the lowest rates of severe adverse events and a significant reduction in the risk of stroke. It is our practice to use propafenone, flecainide, sotalol, and dronedarone as first-line therapies in patients without structural heart disease (Table 4).

Can you take metoprolol with Tikosyn?

Interactions between your drugs No interactions were found between metoprolol and Tikosyn. This does not necessarily mean no interactions exist. Always consult your healthcare provider.

What happens if you stop taking Tikosyn?

Stopping suddenly may make your condition worse. Follow your doctor’s instructions about tapering your dose. Tell your doctor if you have a prolonged illness that causes severe diarrhea, vomiting, or heavy sweating. These conditions can cause an electrolyte imbalance, making it dangerous for you to use Tikosyn.

Is chocolate bad for AFib?

The study of more than 55,000 people in Denmark found that those who favored chocolate tended to have a lower risk of atrial fibrillation, an irregular heartbeat that raises stroke risk. The study tracked people’s health for more than 13 years, over which time more than 3,300 cases of atrial fibrillation emerged.

Are eggs good for atrial fibrillation?

Frequentlyvegetables whole grains olive oil fruits legumesLess frequentlyfish chicken and turkey nuts and seeds eggs dairy

What are the 3 foods to never eat?

• White flour.
• Bread.
• Pasta.
• Rice.
• Baked goods.
• Snack goods.
• Breakfast cereals.

Can you drink coffee with atrial fibrillation?

Atrial fibrillation, often referred to as AFib, is the most common type of abnormal rhythm that affects as many as 6.1 million U.S. adults. AFib drastically increases risk for stroke and many health care providers currently advise patients to avoid caffeine, for fear that it could trigger abnormal heart rhythms.

Can you go on an airplane with atrial fibrillation?

Most people with AFib have a high risk for blood clots, which can lead to stroke. Sitting for a long time — in a car, bus, or cramped airline seat — increases your risk even more. “If you’re in the air, make sure to get up and move around regularly during the flight,” Tomaselli says.

Does drinking water help AFib?

When you have atrial fibrillation, drinking enough water is important. Electrolyte levels plummet when you’re dehydrated. This can lead to abnormal heart rhythm.

What is the major action of Tikosyn?

Dofetilide is known as an anti-arrhythmic drug. It works by blocking the activity of certain electrical signals in the heart that can cause an irregular heartbeat. Treating an irregular heartbeat can decrease the risk for blood clots, and this effect can reduce your risk of heart attack or stroke.

How old is the drug Tikosyn?

Tikosyn was approved on October 1, 1999 for the maintenance of normal sinus rhythm (delay in time to recurrence of atrial fibrillation/atrial flutter) in patients with atrial fibrillation /atrial flutter of greater than one week duration who have been converted to normal sinus rhythm (NSR).

How long does Tikosyn stay in your system?

Tikosyn has a half-life of roughly ten hours, which means it takes that long for your body to clear it from your system.

Can you eat grapefruit with Tikosyn?

Do not eat grapefruit or drink grapefruit juice while you are using this medicine.