What is Tikosyn?

Dofetilide is a class III antiarrhythmic agent. It is marketed under the trade name Tikosyn by Pfizer, and is available in the United States in capsules containing 125, 250, and 500 µg of dofetilide. It is not available in Europe or Australia

Due to the pro-arrhythmic potential of dofetilide, it is only available by prescription from physicians who have undergone specific training in the risks of treatment with dofetilide. In addition, it is only available by mail order or through specially trained local pharmacies. .

Questions and answers on "Tikosyn"

My husband has atrial fibrillation and hypertension. He takes Tikosyn 500mg twice a day and Coreg 37.5mg twice a day. Tonight he took a double dose...

doctor1 MD

Dear ma;m
Thanks for writing to us.
I sincerely feel that your husband should be in emergency room (ER) for diligent cardiac monitoring. Tikosyn or...

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Hi is there an exercise effect when taking Tikosyn.. My induction QTc was ~508 ms. After one month on the medicine, I have reverted to atrial...

doctor1 MD


I read your query and would like to say that exercising has little or no effect on the elimination of tikosyn.

I strongly suggest that you...

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I am a 40-year-old, obese white male with CHF (EF = roughly 30). I had a widowmaker (100% LAD blockage and 90% RAMUS blockage, treated with stents)...

doctor1 MD

Significantly, but no one has a crystal ball to be able to tell you how much exactly.

Good news is that you have received good treatment, I would...

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