Tikosyn (Dofetilide) (Oral)
Key points
- Belongs to a class of drugs called antiarrhythmics.
- Do not use this medicine if you have a heart condition called "long QT syndrome," or severe kidney problems.
- Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
- If you notice other side effects that you think are caused by this medicine, tell your doctor.
Dofetilide (By Mouth)
Dofetilide (doe-FET-il-ide)
Treats irregular heartbeat (arrhythmia). Belongs to a class of drugs called antiarrhythmics.
Brand Name(s):
Tikosyn
There may be other brand names for this medicine.
When This Medicine Should Not Be Used:
You should not use this medicine if you have had an allergic reaction to dofetilide, or if you are using cimetidine (Tagametreg;), trimethoprim (Proloprimreg;), trimethoprim with sulfamethoxazole (Bactrimreg;, Septrareg;), ketoconazole (Nizoralreg;), verapamil (Calanreg;), prochlorperazine (Compazinereg;), or megestrol (Megacereg;). Do not use this medicine if you have a heart condition called "long QT syndrome," or severe kidney problems.
How to Use This Medicine:
Capsule
- Your doctor will start you on this medicine in the hospital in order to check your heart rhythm and find the right dose for you.
- Use the exact dose that your doctor ordered. Keep using it even if you feel fine.
- Use this medicine at the same time every day to give your heart a steady supply of the medicine.
- Drink plenty of fluids while you are using this medicine.
- Do not use extra doses or skip doses of this medicine.
- You may need to carry identification that says you are using dofetilide. Ask your doctor about this.
If a dose is missed:
- Skip the missed dose. Use your next dose at the regular time.
- Do not use two doses at the same time.
How to Store and Dispose of This Medicine:
- Store at room temperature, away from heat, moisture, and direct light.
- Keep all medicine out of the reach of children.
Drugs and Foods to Avoid:
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
- Be sure your doctor knows about all medicines you are using, including vitamins, dietary supplements, and any natural or herbal remedies.
Warnings While Using This Medicine:
Written and revised by
Gerald Hurowitz, M.D.
Our doctors write and review articles for accuracy and keep them up to date.
health.am provides general information, not medical advice. Always consult a qualified health professional about your own health.