What is Flecainide Acetate ?

• Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
• Chest pain.
• Fast, pounding, or uneven heartbeat.
• Fever or chills.
• Swelling in your hands, ankles, or feet.
• Shortness of breath or troubled breathing.
• Yellowing of your skin or the whites of your eyes.
• Lightheadedness, dizziness, or fainting.
• Tremors.

• Make sure your doctor knows if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, heart disease, heart rhythm problems (such as prolonged PR, QRS, or QT intervals or sick sinus syndrome), a recent heart attack, congestive heart failure, or if you have a pacemaker.
• Check with your doctor right away if you develop any of the following: chest pain; shortness of breath; swelling of your hands, ankles, or feet; or weight gain. These may be symptoms of heart failure.
• This medicine can cause changes in your heart rhythm, such as conditions called PR, QRS, or QT prolongation. It may cause fainting or serious side effects in some patients. Contact your doctor right away if your symptoms do not improve or if they get worse.
• Tell any doctor or dentist who treats you that you are using this medicine. You may need to stop using this medicine several days before you have surgery or medical tests.
• Do not stop using this medicine suddenly. Your doctor will need to slowly decrease your dose before you stop it completely.
• This medicine may make you dizzy or drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.
• Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments.
• Tremors.
• Yellowing of your skin or the whites of your eyes.