Because TIKOSYN can cause life-threatening ventricular arrhythmias, it should be reserved for patients in whom atrial fibrillation/atrial flutter is highly symptomatic. In general, antiarrhythmic therapy for atrial fibrillation/atrial flutter aims to prolong the time in normal sinus rhythm.

Is Tikosyn a dangerous drug?

Many people using this medication do not have serious side effects. Seek immediate medical attention if any of these rare but serious side effects occur: chest pain, fainting, faster/more irregular heartbeat, severe dizziness. A very serious allergic reaction to this drug is rare.

What are the side effects of taking Tikosyn?

• headache,
• dizziness,
• nausea,
• diarrhea,
• stomach pain,
• sleep problems (insomnia),
• back pain,
• skin rash, or.