Flecroin 50 Tablet

Reviewed By Dr. Rajeev Sharma, MBA, MBBS

Last updated on 23 Dec 2025 | 01:00 AM (IST)

Flecroin 50 Tablet is a medicine used to treat certain types of arrhythmia (abnormal heart rhythm). It restores normal heart rhythm by blocking abnormal electrical signals in the heart. This helps to maintain a regular and steady heartbeat.

Genuine

Authenticity Assured

Prescription

required

₹163 MRP ₹180.059% off

Flecroin 50 Tablet is currently sold out

Same composition alternative:

Flecarite 50 Tablet

₹209~~₹231.9~~

Available alternative from Top Brand

Sold out

Flecroin 50 Tablet

strip of 10 tablets

₹163

~~₹180.05~~

Same composition

Flecarite 50 Tablet

strip of 10 tablets

Flecainide (50mg)

by Torrent Pharmaceuticals Ltd

Get in 30 mins

₹209

₹17.8 per tablet

₹178

order for

₹1200

Save more with additional offers

Pay with Amazon Pay Balance and get cashback up to Rs. 100 with minimum cashback of Rs. 20

Earn cashback up to Rs. 100 with Amazon Pay Later

Assured cashback up to ₹300 on minimum payment of ₹300 using Paytm UPI*

Save more with additional offers

Pay with Amazon Pay Balance and get cashback up to Rs. 100 with minimum cashback of Rs. 20

Earn cashback up to Rs. 100 with Amazon Pay Later

Assured cashback up to ₹300 on minimum payment of ₹300 using Paytm UPI*

10% cashback up to 200 on Min Transaction of Rs.1000, for first time users of Airtel Payments Bank.

Get cashback up to ₹500

Get upto Rs.500 Cashback on minimum transaction of Rs.999/- with Mobikwik Wallet.

Get upto Rs.150 Cashback

General Information

Contains

Flecainide (50mg)

Marketer

Nvron Life Science Ltd

Storage

Store below 30°C

The content is shown in English

Product introduction

Flecroin 50 Tablet should be taken regularly as advised by the doctor. You should take it on an empty stomach and at a fixed time. This medicine should not be stopped abruptly without consulting the doctor as this can worsen your condition. Regular follow-up with your doctor is advised while using this medicine.

Side effects like dizziness, blurred vision, headache, weakness, edema (swelling), and irregular heart rate may be seen in some patients. Your doctor may advise for regular monitoring of blood sugar levels and kidney function while you are taking this medicine.

This medicine may not be suitable for some people. You must inform the doctor if you are suffering from any heart, liver or kidney disease. Also, let your doctor know about all the other medications that you are using regularly. This medicine is not usually recommended during pregnancy or breastfeeding, so always consult your doctor before taking it.

Uses of Flecroin Tablet

Arrhythmia

Benefits of Flecroin Tablet

Arrhythmia
Arrhythmia is a condition in which the heart’s normal rhythm is disturbed, causing it to beat too quickly, too slowly, or in an irregular pattern. These rhythm problems can lead to symptoms like palpitations, chest discomfort, dizziness, or even fainting, and may increase the risk of complications if left untreated. Flecroin 50 Tablet works to correct these irregular heartbeats and maintain a steady rhythm, helping the heart pump blood more effectively and improving overall heart function and daily comfort.

Side effects of Flecroin Tablet

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Flecroin

Ventricular arrhythmia
Dizziness

How to use Flecroin Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Flecroin 50 Tablet is to be taken on an empty stomach.

How Flecroin Tablet works

Flecroin 50 Tablet is an anti-arrhythmic medication. It works by blocking abnormal electrical signals in the heart to correct irregular heartbeat to a normal rhythm.

All substitutes for Flecroin 50 Tablet

For information purposes only. Consult a doctor before taking any medicine.

Flecarite 50 Tablet

by Torrent Pharmaceuticals Ltd

₹20.9/tablet

28% costlier

Normabeat 50mg Tablet

by Tas Med India Pvt Ltd

₹16.1/tablet

1% cheaper

Quick tips

It may cause dizziness. Do not drive or perform activities require mental focus until you know how it affects you.
Do not start any medicine including prescription or over-the-counter medicines without informing your doctor, as they may alter Flecroin 50 Tablet levels in your body.
Your doctor may get blood tests done to check your sodium and potassium levels, kidney function, and lung function before starting treatment with this medicine.
Your doctor may regularly monitor blood sugar level while taking this medicine.
Inform your doctor if you experience slow or fast heart rate, chest pain, shortness of breath.
Inform your doctor if you are pregnant or planning to conceive or breastfeeding.
Do not stop taking medication suddenly without talking to your doctor.

Safety advice

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with Flecroin 50 Tablet. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

The safety of Flecroin 50 Tablet during pregnancy has not been established. There are no adequate and well-controlled studies in pregnant women, and animal data on reproductive toxicity are insufficient. Your doctor will weigh the benefits and any potential risks before prescribing.

Breast feeding

CONSULT YOUR DOCTOR

Flecroin 50 Tablet may be unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby. It should be used only if the expected benefit outweighs the potential risk. Please consult your doctor.

Driving

UNSAFE

Flecroin 50 Tablet may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney

CAUTION

Flecroin 50 Tablet should be used with caution in patients with kidney disease. Dose adjustment may be needed.

Liver

CAUTION

Flecroin 50 Tablet should be used with caution in patients with liver disease. Dose adjustment may be needed.

Interaction with drugs

Taking Flecroin with any of the following medicines can modify the effect of either of them and cause some undesirable side effects

Severe

Sotalol (Oral Route)

If concurrent use is essential, watch out for symptoms such as breathlessness, fatigue, drowsiness, sedation, faintness, or vomiting, and consult your doctor if you experience them. Factors such as old age, chronic heart issues, or low potassium levels may more frequently cause disturbance in heart rhythm, and your doctor may consider ECG monitoring in their presence.

Severe

Amiodarone (Oral Route)

If concurrent use is essential, watch out for symptoms of Flecainide side effects such as headache, nausea, dizziness, or tremors, and consult your doctor if you experience them. They may adjust the doses as per the observations. Factors such as old age, chronic heart issues, or low potassium levels may more frequently cause disturbance in heart rhythm, and your doctor may consider ECG monitoring in their presence.

Severe

Amiodarone (Injection Route)

Severe

Artemether (Injection Route)

Factors such as old age, chronic heart issues, or low potassium levels may more frequently cause disturbance in heart rhythm, and your doctor may consider ECG monitoring in their presence.

Severe

Artemether (Oral Route)

Factors such as old age, chronic heart issues, or low potassium levels may more frequently cause disturbance in heart rhythm, and your doctor may consider ECG monitoring in their presence.

Frequently asked questions

Is Flecroin 50 Tablet a beta blocker?

No, Flecroin 50 Tablet is not a beta blocker. It belongs to anti-arrythmic class of medicines. It works by blocking the fast sodium channels in the heart, thereby treating it's abnormal rhythm (arrythmias). It slows down certain electrical impulses generated in the heart and stabilizes it.

Is weight gain a side effect of Flecroin 50 Tablet?

No, weight gain is not a side effect of Flecroin 50 Tablet. But, it may cause conditions like heart failure and edema (fluid retention) as a side effect. Edema is a condition in which the body swells as the body starts retaining fluid. Due to this, it may appear that you have gained weight. Edema can be due to many reasons, among those heart failure is one. Contact your doctor in case this happens.

Can you drink milk with Flecroin 50 Tablet?

Interference with the absorption of Flecroin 50 Tablet have been observed when taken with dairy products (milk, infant formula, and possibly yoghurt). This decreases the level of medicine in the blood and as a result desired effect is not seen. However, it was observed that Flecroin 50 Tablet side effects were more in children who reduced their milk intake Hence, the dose of Flecroin 50 Tablet needs to be modified accordingly if there is a change in the quantity of milk intake.

Does Flecroin 50 Tablet lower your heart rate?

Yes, Flecroin 50 Tablet may lower your heart rate. It may also cause an increase in heart rate, palpitations, decrease in blood pressure, heart block, and heart attack. Therefore, your doctor may start the treatment in a hospital setting and continuously monitor your condition during the course of treatment. Initially, you will be started on a low dose and then the dose may be gradually increased. Your doctor may also decrease your dose once your condition is controlled.

Is Flecroin 50 Tablet a dangerous drug?

Evidence suggests that the use of Flecroin 50 Tablet in patients who had experienced heart attacks within the past 2 years have shown a high possibility of developing another heart attack or death than in people who did not take Flecroin 50 Tablet. However, there is not enough information available to conclude that people taking Flecroin 50 Tablet have an increased risk of heart attack or death who have not had a heart attack within the past 2 years. Considering the risks involved Flecroin 50 Tablet should only be used in people with life-threatening irregular heartbeats. Talk to your doctor about the risks of taking Flecroin 50 Tablet.

Can I take Flecroin 50 Tablet and metoprolol at the same time?

You should inform your doctor if you are on metoprolol before starting Flecroin 50 Tablet. You should not start metoprolol on your own while you are on Flecroin 50 Tablet. However, in some studies it has been observed that taking a combination of Flecroin 50 Tablet and metoprolol may be helpful in improving rhythm control in patients with persistent atrial fibrillation (condition in which the upper chambers of the heart do not beat effectively). It helps in controlling the condition more effectively, with better tolerability, fewer side effects, and better compliance.

Can I take Flecroin 50 Tablet once a day?

Take Flecroin 50 Tablet exactly as prescribed by your doctor. Your doctor will prescribe a personalized dose for you adjusted to fit your complaints. Take the medicines with sufficient quantity of water. The daily dose is usually taken split up over the day, on an empty stomach or at least one hour before meals.

Does Flecroin 50 Tablet cause insomnia?

Yes, Flecroin 50 Tablet can cause both insomnia (difficulty in falling asleep) as well as sleepiness. It may also cause dizziness and visual disturbances. If you experience any of these symptoms, you should avoid driving or operating heavy machinery as it can be hazardous for you. Discuss with your doctor if you are not sure.

Fact Box

Chemical Class

Benzamide derivative

Habit Forming

Therapeutic Class

CARDIAC

Action Class

Class I Antiarrhythmics

References

Sampson KJ, Kass RS. Anti-Arrhythmic Drugs. In: Brunton LL, Chabner BA, Knollmann BC, editors. Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. 12th ed. New York, New York: McGraw-Hill Medical; 2011. pp. 840-41.
Hume JR, Grant AO. Agents Used in Cardiac Arrhythmias. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. pp. 239-40
Nattel S, Gersh BJ, Opie LH. Antiarrhythmic Drugs and Strategies. In: Opie LH, Gersh BJ, editors. Drugs for the Heart. 8th ed. Philadelphia, Pennsylvania: Elsevier Saunders; 2013. pp. 283-84.
Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 548-49.
Flecainide acetate. South Ruislip, Middlesex: Aurobindo Pharma - Milpharm Ltd.; 2012 [revised 03 Jan. 2018]. [Accessed 28 Jan. 2019] (online) Available from:
Flecainide acetate. Birzebbugia, Malta: APL Swift Services (Malta) Limited; 2018. [Accessed 18 Mar. 2019] (online) Available from:
Chaves RG, Lamounier JA. Breastfeeding and maternal medications. J Pediatr (Rio J). 2004;80(5 Suppl):S189-S198. [Accessed 18 Mar. 2019] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). Flecainide. [Accessed 18 Mar. 2019] (online) Available from:
Flecainide [Package Information Leaflet]. Baddi, Himachal Pradesh: Torrent Pharmaceuticals Ltd. [Accessed 20 Feb. 2024] (online) Available from:
Flecainide Acetate [Prescribing Information]. A-S Medication Solutions; 2023. [Accessed 20 Feb. 2024] (online) Available from:

Want to know more

We provide you with authentic, trustworthy and relevant information

Have issue with the content

Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Nvron Life Science Ltd
Address: v.m. towers, b2, selvakumarasamy gardens, theivanayagi nagar, ganapathy post, coimbatore, tamil nadu, 641006 india

Vendor Details

Country of origin: India

Lab tests offered by us

Why we need a prescription?

Flecroin 50 Tablet

Save more with additional offers

Save more with additional offers

General Information

Contains

Marketer

Storage

Product introduction

Uses of Flecroin Tablet

Benefits of Flecroin Tablet

Side effects of Flecroin Tablet

How to use Flecroin Tablet

How Flecroin Tablet works

All substitutes for Flecroin 50 Tablet

Flecarite 50 Tablet

Normabeat 50mg Tablet

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Interaction with drugs

Sotalol (Oral Route)

Amiodarone (Oral Route)

Amiodarone (Injection Route)

Artemether (Injection Route)

Artemether (Oral Route)

Frequently asked questions

Is Flecroin 50 Tablet a beta blocker?

Is weight gain a side effect of Flecroin 50 Tablet?

Can you drink milk with Flecroin 50 Tablet?

Does Flecroin 50 Tablet lower your heart rate?

Is Flecroin 50 Tablet a dangerous drug?

Can I take Flecroin 50 Tablet and metoprolol at the same time?

Can I take Flecroin 50 Tablet once a day?

Does Flecroin 50 Tablet cause insomnia?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

References

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

Lab tests offered by us

Related/Popular tests