Norpace 100 Capsule is a medicine used to treat 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.

Norpace 100 Capsule should be taken regularly as advised by the doctor. You may take it without food, but it is better to take this medicine 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 constipation, dryness in the mouth, urinary retention, and blurred vision may be seen in some patients. This medicine may also lead to worsening of heart function and low blood pressure in patients with preexisting heart disease. Your doctor may advise 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 Norpace Capsule

Arrhythmia

Benefits of Norpace Capsule

In Arrhythmia

Arrhythmia is a condition in which the heart beats irregularly, too fast, or too slow, which can affect blood flow and increase the risk of complications. Norpace 100 Capsule helps restore a normal heart rhythm, ensuring that the heart pumps blood properly. This improves overall heart function and reduces symptoms such as palpitations, dizziness, and shortness of breath.

Side effects of Norpace 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 Norpace

Constipation
Chest pain
Difficulty in urination
Low blood platelets

How to use Norpace Capsule

Take this medicine in the dose and duration as advised by your doctor. Norpace 100 Capsule is to be taken empty stomach.

How Norpace Capsule works

Norpace 100 Capsule is an anti-arrhythmic medication. It works by blocking abnormal electrical signals in the heart to correct an irregular heartbeat to a normal rhythm.

Safety advice

Alcohol

CAUTION

Caution is advised when consuming alcohol with Norpace 100 Capsule. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

Norpace 100 Capsule may be unsafe to use during pregnancy. Although there are limited studies in humans, animal studies have shown harmful effects on the developing baby. Your doctor will weigh the benefits and any potential risks before prescribing it to you. Please consult your doctor.

Breast feeding

CONSULT YOUR DOCTOR

Norpace 100 Capsule is probably unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby.

Driving

UNSAFE

Norpace 100 Capsule may decrease alertness, affect your vision or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney

CAUTION

Norpace 100 Capsule should be used with caution in patients with kidney disease. Dose adjustment of Norpace 100 Capsule may be needed. Please consult your doctor.

Liver

CAUTION

Norpace 100 Capsule should be used with caution in patients with liver disease. Dose adjustment of Norpace 100 Capsule may be needed. Please consult your doctor.

What if you forget to take Norpace Capsule?

If you miss a dose of Norpace 100 Capsule, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.

All substitutes

For informational purposes only. Consult a doctor before taking any medicines.

Norpace 100 Capsule

₹8.3/Capsule

Norpace New Capsule

RPG Life Sciences Ltd

₹34/capsule

310% costlier

Quick tips

Norpace 100 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 medicine, without informing your doctor, as they may alter Norpace 100 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 you are 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, planning to conceive, or breastfeeding.
Do not stop taking medication suddenly without talking to your doctor.

Fact Box

Chemical Class

Pheniramines derivatives

Habit Forming

Therapeutic Class

CARDIAC

Action Class

Class I Antiarrhythmics

Interaction with drugs

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

Hydroxyzine (Oral Route) Life-threatening

Do not consume Hydroxyzine with Disopyramide. Concomitant use may affect heart rhythm and may be fatal.

Fluconazole (Oral Route) Life-threatening

Do not consume Fluconazole with Disopyramide. Concomitant use may affect heart rhythm and may be fatal.

Amiodarone (Oral Route) Life-threatening

Do not consume Amiodarone with Disopyramide. If concurrent use is essential, please consult your doctor. Concomitant use may affect heart rhythm and may be fatal.

Ondansetron (Oral Route) Life-threatening

Do not consume Ondansetron with Disopyramide. Concomitant use may affect heart rhythm and may be fatal.

Domperidone (Oral Route) Life-threatening

Do not consume Domperidone with Disopyramide. Concomitant use may affect heart rhythm and may be fatal.

View all drug interactions

Patient concerns

The ecg report is Sinus Arrhythmia and short PR interval. What does it mean?

Dr. Nabajit Talukdar

Cardiology

Normal for d age

The ecg report is Sinus Arrhythmia and Short PR interval. What does it mean? What does it mean?

Dr. Nabajit Talukdar

Cardiology

Normal for 5 yrs

Having difficulty in getting full erections. I take concor 1.25 and roseday 10 as prescribed for arrhythmia. What can be prescribed to me ?

Dr. Pranay Gandhi

Sexology

Treatment for erectile dysfunction: 1.stop smoking and alcohol 2.join a gym and reduce weight. Do weight lifting exercises. 3.tablet sildenafil or viagra 1 tablet 1 hour before sexual activity. 4.Get tested so that u don?t have any of the following causes: 1.heart diseases 2. diabetes 3.neurological problems 4.hormonal problems 5.drug side effects

User feedback

Patients taking Norpace 100 Capsule

Twice A Day

49%

Thrice A Day

29%

Once A Day

16%

Four Times A *

Alternate Day

*Four Times A Day

What are you using Norpace Capsule for?

Arrhythmia

82%

Others

18%

How much was the improvement?

Excellent

56%

Average

39%

Poor

What were the side-effects while using Norpace 100 Capsule?

No Side Effec*

56%

Dryness in mo*

22%

Constipation

11%

Blurred visio*

11%

*No Side Effect, Dryness in mouth, Blurred vision

How do you take Norpace Capsule?

With food

78%

Empty stomach

11%

With or witho*

11%

*With or without food

Please rate Norpace 100 Capsule on price

Average

37%

Expensive

37%

Not Expensive

26%

FAQs

What is Norpace 100 Capsule used for?

Norpace 100 Capsule is a medicine used to treat serious types of irregular heartbeats (called ventricular arrhythmias). These are heart rhythm problems that start in the lower chambers of your heart and can be life-threatening if not treated.

Who should not take Norpace 100 Capsule?

Individuals should not take Norpace 100 Capsule if they have cardiogenic shock (a condition where the heart suddenly can't pump enough blood to meet the body’s needs). It should also be avoided in those with second- or third-degree heart block without a pacemaker (a problem with the heart’s electrical signals), or congenital QT syndrome (a genetic condition that affects heart rhythm). Additionally, anyone allergic to disopyramide or any other ingredients in Norpace 100 Capsule should not use it.

What serious side effects of Norpace 100 Capsule should I watch for?

You should call your doctor right away if you experience serious side effects of Norpace 100 Capsule. These may include low blood pressure, a very fast or slow heartbeat (which could indicate a dangerous heart rhythm), or trouble urinating (a possible sign of urinary blockage). Other symptoms include dry mouth, blurred vision, or constipation, which may result from anticholinergic side effects—when a drug blocks certain nerve signals. Watch for signs of heart failure as well, such as swelling in the legs, shortness of breath, or sudden weight gain.

Should I be worried about low blood sugar while taking Norpace 100 Capsule?

Yes, Norpace 100 Capsule may cause low blood sugar (hypoglycemia), especially in people with diabetes. Symptoms include sweating, shakiness, confusion, and feeling very hungry. If you have diabetes, check your blood sugar regularly and talk to your doctor about adjusting your medication.

What should I tell my doctor before starting Norpace 100 Capsule?

Before starting Norpace 100 Capsule, you should tell your doctor if you have any heart condition (especially heart block, heart failure, or history of arrhythmia), diabetes, glaucoma (eye condition with high pressure), enlarged prostate or trouble urinating, and kidney or liver problems. This helps your doctor decide if Norpace 100 Capsule is safe for you.

How should I monitor myself at home during $treatment?

Your doctor may advise you a follow-up for a proper health assessment. However, you may perform daily checks such as pulse rate/regularity, weight (for fluid retention), urine output and blood pressure. Report it to the doctor in case of any fluctuation.

Does Norpace 100 Capsule cause dry mouth?

Yes, Norpace 100 Capsule may cause dry mouth in some individuals. Dry mouth is a common side effect of Norpace 100 Capsule. You may try candy or chewing gum to manage excessive dry mouth.

Can I stop taking Norpace 100 Capsule once I start feeling better?

No, never stop taking Norpace 100 Capsule on your own as it may worsen the condition. Your doctor may assess your response to the Norpace 100 Capsule and severity of the condition and may taper the dose of Norpace 100 Capsule. Typical tapering of dose over 2-4 weeks with continuous cardiac monitoring is essential.

Can Norpace 100 Capsule cause low blood pressure?

Yes, Norpace 100 Capsule may cause low blood pressure. Low blood pressure (hypotension) is the most common side effect of Norpace 100 Capsule treatment. Your doctor may monitor your blood pressure closely and may advise you to do so.

Does Norpace 100 Capsule cause constipation?

Yes, Norpace 100 Capsule may cause constipation. Constipation is a common side effect of Norpace 100 Capsule. You may include a fibre-rich diet to manage constipation. However, if this side effect bothers your well-being, ask your doctor for specific treatment.

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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.

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. 839.
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. 419-20.
Hume JR, Grant AO. Agents used in cardiac arrhythmias: Disopyramide (Subgroup 1A). In: Katzung BG, masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi: Tata McGraw Hill; 2009. pp. 238-39.
Chaves RG, Lamounier JA. Breastfeeding and maternal medications. J Pediatr (Rio J). 2004;80(5 Suppl):S189-S198. [Accessed 15 Mar. 2019] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). Disopyramide. [Accessed 15 Mar. 2019] (online) Available from:
Disopyramide phosphate [Product Information]. Peapack, NJ: Greenstone LLC; 2019. [Accessed 03 Apr. 2025] (online) Available from:

Marketer details

Name: RPG Life Sciences Ltd

Address: 463, 4 th Floor, RPG HOUSE, Dr. Annie Besant Road, Worli, Mumbai – 400 030. Maharashtra, INDIA

Country of origin: India

The list of available options shown with the same composition has been prepared upon the advice of registered medical practitioners, pharmacists affiliated with TATA 1MG. TATA 1MG does not promote any pharmaceutical product of any particular company, and all recommendations are based on the medical opinion, advisories from specialist medical and pharmaceutical professionals.