Tikosyn (dofetilide) is a prescription oral capsule used to treat certain heart arrhythmias. Tikosyn can cause side effects that range from mild to serious. Examples include headache and chest pain.

Tikosyn (dofetilide) is a brand-name drug prescribed for atrial fibrillation (AFib) and atrial flutter in adults. Tikosyn comes as an oral capsule that’s typically taken twice per day. The dosage can ...

Tikosyn (dofetilide) is a brand-name oral capsule that’s prescribed for atrial fibrillation and atrial flutter in adults. As with other drugs, Tikosyn can cause side effects, such as headache, ...