Flecainide Acetate
About Flecainide Acetate
Flecainide Acetate is an oral prescription medication used to prevent and control serious, irregular heartbeats. It belongs to a group of medicines known as antiarrhythmics, which help restore and maintain a normal heart rhythm. It is typically prescribed for conditions where the heart beats too fast or unevenly, such as atrial fibrillation or certain types of tachycardia.
To work effectively, Flecainide Acetate must be taken consistently at the exact times prescribed by your doctor. You can take this medicine with or without food, but it is important to choose one way and stick to it with every dose to keep your blood levels steady. Reducing stress, limiting caffeine, and staying hydrated are common lifestyle habits that can support your heart rhythm while on this treatment.
While taking Flecainide Acetate, you might experience mild side effects like dizziness, visual disturbances, or nausea. These symptoms often improve as your body adjusts, but you must contact your doctor immediately if you experience chest pain, severe shortness of breath, or a feeling that your heart is beating too fast or unevenly.
Before starting Flecainide Acetate, tell your doctor if you have liver disease, kidney disease, heart failure, or any structural heart disease, including a previous heart attack. This medicine should not be used in people with certain heart conditions, such as second- or third-degree heart block (unless a working pacemaker is present), cardiogenic shock, or significant structural heart disease, unless your cardiologist specifically recommends it. Studies have shown that using flecainide in people with certain types of structural heart disease or after a heart attack may increase the risk of serious heart rhythm problems.
This medicine can interact with several other medicines, including those used to treat depression, abnormal heart rhythms, and certain heart conditions, which may increase the risk of side effects or affect how well Flecainide Acetate works. If you are pregnant, planning to become pregnant, breastfeeding, or an older adult, talk to your doctor before using this medicine to make sure it is appropriate for you.
Uses of Flecainide Acetate
Medicinal Benefits
- Helps maintain a steady heart rhythm: Reduces sudden episodes of rapid, racing, or irregular heartbeats (palpitations).
- Improves blood circulation: Allows the heart to pump blood more efficiently throughout the body.
- Reduces shortness of breath: Helps relieve breathing discomfort caused by irregular heart rhythms.
- Lessens dizziness and lightheadedness: Stabilizing the heart rhythm can improve blood flow to the brain and reduce dizzy spells.
- Improves energy levels: May help reduce physical fatigue associated with abnormal heart rhythms.
- Supports daily activities: Helps you feel more comfortable and confident while carrying out routine tasks.
- Provides reassurance and peace of mind: Reduces the worry and anxiety that can occur with unpredictable heart rhythm changes.
Directions for Use
- Flecainide Acetate can be taken on an empty stomach, at least 1 hour before a meal.
- It is usually taken 2 times a day or as prescribed by your doctor.
- Swallow Flecainide Acetate as a whole with a glass of water.
- Do not crush, chew, or break it.
Storage
Side Effects of Flecainide Acetate
Common Side Effects (Usually mild):
- Dizziness
- Vision problems, such as blurred vision or double vision
- Nausea or upset stomach
- Feeling unusually tired or weak
- Headache
Serious Side Effects (Call a doctor right away):
- New or worsening irregular heartbeat (feeling like your heart is racing, pounding, or skipping beats)
- Shortness of breath or swelling in your ankles or feet
- Severe dizziness, fainting, or feeling lightheaded
- Signs of an allergic reaction, such as swelling of the face, lips, tongue, or throat, severe rash, or trouble breathing
Medicines Containing this Salt
View AllDrug Warnings
- Do not suddenly stop taking Flecainide Acetate, as this can cause your irregular heartbeats to return or worsen.
- Keep all follow-up appointments with your doctor, as you will need regular blood tests and electrocardiograms (ECGs) to monitor your heart function.
- Flecainide Acetate is not suitable for everyone. It may increase the risk of serious heart rhythm problems in people with a previous heart attack or significant structural heart disease. Always use this medicine only under the supervision of a cardiologist.
- Inform any healthcare provider you visit, including dentists and surgeons, that you are taking Flecainide Acetate before undergoing any procedure.
- Be cautious when driving or operating machinery, as this medicine can cause temporary blurred vision or dizziness, especially when you first start taking it.
- Check your pulse regularly and contact your doctor immediately if it becomes unusually slow or fast.
Drug Interactions
- Beta-blockers or calcium channel blockers (like metoprolol or diltiazem): May further slow your heart rate and decrease heart muscle function.
- Other antiarrhythmic medicines (such as amiodarone) and medicines that inhibit the CYP2D6 enzyme (such as fluoxetine, paroxetine, or bupropion): These medicines may increase the amount of Flecainide Acetate in your body, increasing the risk of side effects. Your doctor may adjust your dose or monitor you more closely.
- Certain water pills (diuretics): May cause low potassium levels, which can increase the risk of dangerous irregular heartbeats.
Drug-Drug Interactions Checker List:
Safety Advice
Alcohol
unsafeYou are recommended to avoid consumption of alcohol with Flecainide Acetate as it may increase dizziness caused by Flecainide Acetate.
Pregnancy
cautionFlecainide Acetate is a Category C pregnancy drug and is given to pregnant women only if it is clearly needed and prescribed by a doctor.
Breast Feeding
unsafeFlecainide Acetate is not recommended for breastfeeding mothers as it may be excreted in breast milk. However, consult a doctor if you are breastfeeding before taking Flecainide Acetate.
Driving
cautionFlecainide Acetate may cause dizziness or changes in vision in some people. So, drive only if you are alert after taking Flecainide Acetate.
Liver
cautionTake Flecainide Acetate with caution, especially if you have a history of liver diseases/conditions. The dose may be adjusted by your doctor as required.
Kidney
cautionTake Flecainide Acetate with caution, especially if you have a history of kidney diseases/conditions. The dose may be adjusted by your doctor as required.
Children
unsafeFlecainide Acetate is not recommended for children below 12 years of age.
Habit Forming
Diet & Lifestyle Advise
- Avoid or limit caffeine, alcohol, and other stimulants, as these can trigger irregular heartbeats and reduce the effectiveness of Flecainide Acetate.
- Speak to your doctor before making major changes to your diet, including adopting a very low-sodium diet, as changes in your overall health and diet may affect your treatment plan.
- Tell your doctor before starting any new medicines, herbal products, or supplements. Some medicines, especially those that affect the CYP2D6 enzyme (such as certain antidepressants) can change the amount of
- Flecainide Acetate in your body and increase the risk of side effects.
- Engage in moderate, doctor-approved exercise to support your overall heart health, but avoid sudden, strenuous physical exertion unless cleared by your cardiologist.
- Monitor your blood pressure and heart rate regularly at home, keeping a log to share with your doctor during checkups.
Special Advise
- Certain tests are advised before taking Flecainide Acetate to monitor fluid levels, liver and kidney functioning.
- Low salt diet and regular exercise are recommended along with Flecainide Acetate for effective results.
Patients Concern
Disease/Condition Glossary
Arrhythmias (irregular heartbeat): It is a condition in which your heart beats irregularly, too fast, or too slow. Symptoms of irregular heartbeat include chest pain, shortness of breath, and fast or slow heartbeat. 60 to 100 beats per minute is generally considered a normal heart rate.
Tachycardia: Tachycardia means rapid heartbeat. A heart rate over 100 beats per minute is considered Tachycardia.
FAQs
Flecainide Acetate is used to treat arrhythmias (irregular heartbeats) and tachycardia (fast heart rate).
Flecainide Acetate works by reducing the sensitivity of heart muscle cells to electrical impulses. Thus, slows down and regulates electrical conduction in the heart muscle. Thereby, it helps to restore regular heart rhythm.
Flecainide Acetate may cause dizziness as a side effect. It is not necessary for everyone taking Flecainide Acetate to experience this side effect. However, if the condition persists or worsen, please consult your doctor.
Flecainide Acetate may cause double or blurred vision in some people. Therefore, drive only if your vision is clear after taking Flecainide Acetate.
You are recommended to avoid taking Flecainide Acetate if you have heart block, cardiogenic shock (inability of the heart to pump as much blood as needed by the body), heart failure, long-standing atrial fibrillation (rapid muscle contractions in the heart), sinus node dysfunction (heart beats abnormally), Brugada syndrome (a genetic disease that causes severe disturbance of heart rhythm and may lead to sudden death) if you have ever had a heart attack or have any other heart problems.
You are not recommended to stop taking Flecainide Acetate without consulting your doctor as it may worsen the condition. Therefore, take Flecainide Acetate for as long as your doctor has prescribed it and if you experience any difficulty while taking Flecainide Acetate, please consult your doctor.
Flecainide Acetate may cause side effects such as nausea, headache, tiredness, dizziness and blurred or double vision. If these side effects persist or worsen, please consult your doctor.
No, Flecainide Acetate is not a beta blocker. It belongs to the class of medicines called anti-arrythmics.
No, weight gain is not a side effect of Flecainide Acetate. But, it may cause conditions like edema (fluid retention) and heart failure. Due to edema, it may appear that you have gained weight. Edema can be due to several reasons, among those heart failure is one. If this happens, please contact your doctor.
Dairy products (infant formula, milk, and possibly yoghurt) may interfere with the absorption of Flecainide Acetate and decreases the level of Flecainide Acetate in the blood and as a result desired effect is not seen. However, it was found that Flecainide Acetate side effects were more in children who reduced their milk intake. Therefore, the dose of Flecainide Acetate needs to be changed accordingly if there is a change in the quantity of milk intake.
Yes, Flecainide Acetate may lower your heart rate. Therefore, your doctor may begin the treatment in a hospital setting and monitor your condition continuously during the course of treatment.
Evidence indicates that the use of Flecainide Acetate in patients who had experienced heart attacks within the past 2 years had a higher risk of developing another heart attack or death than in people who did not take Flecainide Acetate. However, there is limited information to conclude this. Considering the risks involved Flecainide Acetate should only be used in people with life-threatening irregular heartbeats. If you have any concerns regarding this, please discuss with your doctor.
You are recommended to consult your doctor before Flecainide Acetate with metoprolol or other medications to avoid drug interactions.
Take Flecainide Acetate exactly as per the dose and duration advised by your doctor.
Caffeine can stimulate your heart and potentially trigger irregular heartbeats, which may reduce the effectiveness of Flecainide Acetate. It is best to limit or avoid coffee, tea, energy drinks, and other caffeinated beverages. Talk to your doctor or pharmacist for personalized advice.
Flecainide Acetate begins to work within a few hours of taking your first dose, but it may take several days of consistent use to achieve its full effect in stabilizing your heart rhythm. Talk to your doctor if you do not notice any improvement.
Flecainide Acetate is primarily used to control heart rhythm rather than blood pressure, but it can occasionally cause your blood pressure to drop, leading to dizziness. You should monitor your blood pressure and talk to your doctor if you experience frequent lightheadedness.
Flecainide Acetate should only be used during pregnancy if the potential benefit justifies the risk to the unborn baby. If you are pregnant, planning to become pregnant, or breastfeeding, talk to your doctor to weigh the benefits and risks.
There are no specific foods that you must avoid while taking Flecainide Acetate. However, alcohol may increase dizziness, and caffeine can trigger palpitations in some people. Talk to your doctor before making major dietary changes or starting new supplements, especially if you have heart disease or kidney problems.
If you experience a return of symptoms like a racing heart, chest fluttering, shortness of breath, or severe dizziness, it may mean Flecainide Acetate is not fully controlling your arrhythmia. If you notice these symptoms, talk to your doctor immediately.
Flecainide Acetate may increase the risk of serious abnormal heart rhythms in people who have had a previous heart attack or have significant structural heart disease. Because of this, doctors carefully assess your heart condition before prescribing this medicine and may recommend safer alternatives if needed. Continue taking the medicine exactly as prescribed unless your doctor advises otherwise.
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