Mexcroin Capsule

Mexiletine (150mg)

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Mexcroin Capsule is an anti-arrhythmic 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.

Written By Dr. Subita Alagh, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 12 Jul 2026 | 01:04 AM (IST)

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Mexcroin Capsule

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Mexiletine (150mg)

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General Information

Contains

Mexiletine (150mg)

Marketer

Nvron Life Science Ltd

Storage

Store below 25°C

The content is shown in English

Product introduction

Mexcroin Capsule should be taken regularly as advised by the doctor. This medicine is best taken with food. Take it at the fixed time every day for the best result. 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.

Common side effects of this medicine include upper abdominal pain, lightheadedness, tremors, and impaired. Let your doctor know if you are bothered by any of these side effects or if they get worse. Your doctor may also advise regular monitoring of liver 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 severe 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 Mexcroin Capsule

Arrhythmia

Benefits of Mexcroin Capsule

Arrhythmia
Arrhythmia is a condition where the heartbeat becomes irregular, too fast, or too slow, affecting the heart’s efficiency in pumping blood. Mexcroin Capsule helps restore a normal heart rhythm, improving blood flow and reducing symptoms such as palpitations, dizziness, or fainting. This supports healthy heart function and lowers the risk of complications linked to abnormal heart rhythms.

Side effects of Mexcroin Capsule

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 Mexcroin

Lightheadedness
Tremors
Impaired coordination
Upper abdominal pain

How to use Mexcroin Capsule

Take this medicine in the dose and duration as advised by your doctor. Mexcroin Capsule should be taken with or after food.

How Mexcroin Capsule works

Mexcroin Capsule is an anti-arrhythmic medication. It regulates heart beat by blocking abnormal electrical signals in the heart.

All substitutes for Mexcroin Capsule

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

Quick tips

Mexcroin Capsule may cause dizziness. Do not drive or perform activities that 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 Mexcroin Capsule 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 your blood sugar level while taking this medicine.
Inform your doctor if you experience a slow or fast heart rate, chest pain, or 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 Mexcroin Capsule. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

The safety of Mexcroin Capsule 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

Mexcroin Capsule 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

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

Kidney

CAUTION

Mexcroin Capsule should be used with caution in patients with severe kidney disease. Dose adjustment may be needed.

Liver

UNSAFE

Mexcroin Capsule is unsafe to use in patients with liver disease and should be avoided.

Interaction with drugs

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

Severe

Acetazolamide (Oral Route)

Do not consume Mexiletine with Acetazolamide. If concurrent use is essential, please consult your doctor. Acetazolamide may raise blood levels of Mexiletine.

Moderate

Aminophylline (Oral Route)

Your doctor may monitor and adjust the dose of Aminophylline as necessary. Mexiletine may raise blood levels of Aminophylline.

Moderate

Sevelamer (Oral Route)

To take Mexiletine, ensure a gap of at least 1 hour before or 3 hours after taking Sevelamer. Your doctor may monitor your treatment and adjust the doses as per the observations.

Moderate

Clozapine (Oral Route)

If concurrent use is essential, watch out for symptoms of Clozapine side effects such as blurred vision, sleepiness, headache, constipation, nausea, dizziness, faintness or fatigue and consult your doctor if you experience them. They may adjust the dose of Clozapine accordingly. Mexiletine may raise blood levels of Clozapine.

Moderate

Theophylline (Oral Route)

Your doctor may monitor and adjust the dose of Theophylline as necessary. Mexiletine may raise blood levels of Theophylline.

Frequently asked questions

Is Mexcroin Capsule a beta blocker?

No, Mexcroin Capsule is not a beta blocker. It is a sodium channel blocker and belongs to the antiarrhythmic class of medicine. It blocks the fast sodium channels in the heart, and therefore, helps in treating ventricular arrhythmia (abnormal electrical activity). This medicine blocks certain electrical signals in the heart and stabilizes the heart rhythm.

Does Mexcroin Capsule lower heart rate?

Mexcroin Capsule may lower your heart rate. In addition to this, it may also cause palpitations, irregular heartbeats, a decrease in blood pressure, and atrial fibrillation (abnormal heart rhythm). Therefore, you will probably be hospitalized when you begin your treatment with Mexcroin Capsule. Your doctor will monitor you carefully during this time and for as long as you continue to take Mexcroin Capsule.

Is Mexcroin Capsule bad for the liver?

Yes, Mexcroin Capsule may cause liver damage. This may occur within a few weeks of starting Mexcroin Capsule and is more likely to occur in patients with heart failure. Patients who have impaired liver function are monitored carefully. Also, the half-life of Mexcroin Capsule is prolonged in patients having liver problems, and it stays for a longer time in the body. Tell your doctor if you notice symptoms such as fatigue, dark or “tea-colored” urine, loss of appetite for several days or longer, or pain and tenderness on the right side of the abdomen. Look out if your skin or the white part of your eyes turns yellow (jaundice) and consult your doctor immediately.

How do I stop taking Mexcroin Capsule?

Stopping this medicine suddenly may cause arrhythmias to return, which will be harmful for you. Therefore, do not attempt to stop this medicine without consulting your doctor. It is recommended to stop this medicine gradually over 1-2 weeks. The duration of treatment varies from person to person, and though no precise guide is available, withdrawal of Mexcroin Capsule should be attempted after a suitable arrhythmia-free period.

Do you take Mexcroin Capsule with food?

Yes, Mexcroin Capsule should be taken with food or antacids to prevent stomach upset. Mexcroin Capsule is usually prescribed to be taken thrice daily at an interval of every 8 hours. Some people may be advised to take it twice daily, every 12 hours, once their arrhythmias are controlled. You should take it at the same time every day, as this makes it easier for you to remember to take it. Also, drink a sufficient quantity of water while sitting in an upright position. Check with your doctor if you are not sure.

Fact Box

Chemical Class

Phenol ethers

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. p. 842.
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. p. 239.
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. 911-12.
Chaves RG, Lamounier JA. Breastfeeding and maternal medications. J Pediatr (Rio J). 2004;80(5 Suppl):S189-S198. [Accessed 19 Mar. 2019] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). [Accessed 19 Mar. 2019] (online) Available from:
Drugs and Lactation Database (LactMed®) [Internet]. Bethesda (MD): National Institute of Child Health and Human Development; 2006. Metoprolol. [Updated 2023 May 15]. [Accessed 11 Jul. 2023]. (online) Available from:
CiplaMed. Mexiletine hydrochloride [Prescribing Information]. [Accessed 11 Jul. 2023]. (online) Available from:

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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

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Home

Cardiac

Anti Arrhythmics

Mexcroin Capsule

Mexcroin Capsule

Save more with additional offers

General Information

Contains

Marketer

Storage

Product introduction

Uses of Mexcroin Capsule

Benefits of Mexcroin Capsule

Side effects of Mexcroin Capsule

How to use Mexcroin Capsule

How Mexcroin Capsule works

All substitutes for Mexcroin Capsule

Welhart 150mg Capsule

Mexohar 150mg Capsule

Jollimex 150 Capsule

Maxilet 150mg Capsule

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Interaction with drugs

Acetazolamide (Oral Route)

Aminophylline (Oral Route)

Sevelamer (Oral Route)

Clozapine (Oral Route)

Theophylline (Oral Route)

Frequently asked questions

Is Mexcroin Capsule a beta blocker?

Does Mexcroin Capsule lower heart rate?

Is Mexcroin Capsule bad for the liver?

How do I stop taking Mexcroin Capsule?

Do you take Mexcroin Capsule with food?

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

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