Newcontin 6.4 Tablet CR is used to treat and prevent heart-related chest pain (angina). Angina occurs when the heart muscle is not getting enough blood. This medicine works by relaxing and widening blood vessels so blood can flow more easily to the heart.

Newcontin 6.4 Tablet CR should be taken in the dose and duration as advised by your doctor. It may be taken with or without food, preferably at a fixed time each day. Do not consume more than the recommended dose, as this may have harmful effects on your body. You can develop tolerance to this medicine over time, which means that the same dose becomes less effective. You have to stick to a really specific dosing schedule to prevent this from happening.

The most common side effect of this medicine is a headache which may be severe. This can sometimes be helped by drinking plenty of fluids and avoiding alcohol. You may also experience lightheadedness, which could increase your risk of having a fall. There are other, rarer side effects, some of them serious. Ask your doctor and read the leaflet which comes with the medicine to make sure you are keeping safe.

Do not use this medicine if you are taking medicines to treat high blood pressure in your lungs (pulmonary hypertension), erectile dysfunction or if you have anemia or glaucoma (increased pressure inside the eye). Always tell your doctor what other health conditions you have and what other medicines you are taking. It is best not to drink alcohol with this medicine as it increases some of the side effects. If you are affected by dizziness, avoid driving. If you are pregnant, planning to become pregnant, or breastfeeding, ask your doctor before taking this medicine.

Uses of Newcontin Tablet CR

Side effects of Newcontin Tablet CR

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 Newcontin

Blurred vision
Decreased blood pressure
Dizziness
Headache
Increased heart rate
Lightheadedness
Paresthesia (tingling or pricking sensation)

How to use Newcontin Tablet CR

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. Newcontin 6.4 Tablet CR may be taken with or without food, but it is better to take it at a fixed time.

How Newcontin Tablet CR works

Newcontin 6.4 Tablet CR is a nitrate. It works by relaxing the blood vessels and increasing the supply of blood and oxygen to the heart while reducing its work load, thereby preventing/treating attacks of angina (chest pain).

Safety advice

Alcohol

UNSAFE

Consuming alcohol while taking Newcontin 6.4 Tablet CR may cause symptoms such as flushing, increased heart beat, nausea, thirst, chest pain and low blood pressure (Disulfiram reaction).

Pregnancy

SAFE IF PRESCRIBED

Newcontin 6.4 Tablet CR is generally considered safe to use during pregnancy. Animal studies have shown low or no adverse effects to the developing baby; however, there are limited human studies.

Breast feeding

SAFE IF PRESCRIBED

Newcontin 6.4 Tablet CR is probably safe to use during breastfeeding. Limited human data suggests that the drug does not represent any significant risk to the baby.

Driving

UNSAFE

Newcontin 6.4 Tablet CR may decrease alertness, affect your vision or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney

SAFE IF PRESCRIBED

Newcontin 6.4 Tablet CR is probably safe to use in patients with kidney disease. Limited data available suggests that dose adjustment of Newcontin 6.4 Tablet CR may not be needed in these patients. Please consult your doctor.

Liver

CONSULT YOUR DOCTOR

There is limited information available on the use of Newcontin 6.4 Tablet CR in patients with liver disease. Please consult your doctor.

What if you forget to take Newcontin Tablet CR?

If you miss a dose of Newcontin 6.4 Tablet CR, 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.\n

All substitutes

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

Newcontin 6.4 Tablet CR

₹7.23/Tablet CR

Nitrocontin 6.4 Tablet CR

Modi Mundi Pharma Pvt Ltd

₹16.17/tablet cr

124% costlier

Monit GTN 6.4 Tablet CR

Intas Pharmaceuticals Ltd

₹10.37/tablet cr

43% costlier

Myonit SR 6.4 Tablet

Troikaa Pharmaceuticals Ltd

₹12.91/tablet cr

79% costlier

GTN Sorbitrate -CR 6.4 Tablet

Abbott

₹13.6/tablet cr

88% costlier

Alnitro 6.4mg Tablet CR

Alvio Pharma

₹9.97/tablet cr

38% costlier

View all substitutes

Quick tips

Newcontin 6.4 Tablet CR may cause dizziness or sleepiness. Do not drive or do anything that requires concentration until you know how it affects you.
Do not consume alcohol while taking Newcontin 6.4 Tablet CR as it may cause increased dizziness.
It may cause headaches which usually go away after a few days of continued treatment. Inform your doctor if it persists.
You may develop tolerance to Newcontin 6.4 Tablet CR with time, meaning that the same dose may be less effective next time. Follow the prescribed dosing schedule to avoid this.
Stop taking medications (prescribed for erectile dysfunction) like sildenafil or tadalafil while on treatment with Newcontin 6.4 Tablet CR as it may cause low blood pressure.
You have been prescribed Newcontin 6.4 Tablet CR for the prevention and treatment of heart-related chest pain (angina).
Eat healthy (low-fat, high-fiber, low-sodium diet), quit smoking, increase your physical activity, watch your weight and reduce stress.
Newcontin 6.4 Tablet CR may cause dizziness or sleepiness. Do not drive or do anything that requires concentration until you know how it affects you.
Do not consume alcohol while taking Newcontin 6.4 Tablet CR as it may cause increased dizziness.
It may cause headaches which usually go away after a few days of continued treatment. Inform your doctor if it persists.
You may develop tolerance to Newcontin 6.4 Tablet CR with time, meaning that the same dose may be less effective next time. Follow the prescribed dosing schedule to avoid this.
Stop taking medications (prescribed for erectile dysfunction) like sildenafil or tadalafil while on treatment with Newcontin 6.4 Tablet CR as it may cause low blood pressure.

Fact Box

Chemical Class

Nitrates {Short acting}

Habit Forming

Therapeutic Class

CARDIAC

Action Class

Nitric Oxide (NO) Donors

Patient concerns

What is heart attack? When heart attack coming?

Dr. Nabajit Talukdar

Cardiology

Related to chest pain angina commonly

What is heart bypass surgery? and what is the treatment cost?

Dr. Nabajit Talukdar

Cardiology

Done for coronary artery disease cost about 1.5 to 3 lacs depends on different institutes

My father had a heart attack on 3-feb -2016 . In emergency we took him to nearby hospital for treatment . There he was given treatment for the Myocardial Infarction . After few days , we took him to Max hospital , Patparganj . A lot of tests like ECG , Blood tests , Echo , Stress Echo were conducted and echo showed LVEF ( 45 % ) and doctor asked to go with medicines . We are not sure that we should go for the Cardiac Angiograph .

Dr. Nabajit Talukdar

Cardiology

needs a coronary angiogram can call 9XXXXXX

FAQs

Can I take sildenafil if I am taking Newcontin 6.4 Tablet CR?

No, you should not take sildenafil if you are taking Newcontin 6.4 Tablet CR. Taking these two medicines together can cause an excessive fall in blood pressure, which may even be life-threatening.

What effect does Newcontin 6.4 Tablet CR have on blood pressure?

Newcontin 6.4 Tablet CR decreases the blood pressure by relaxing the blood vessels, but is not recommended for the treatment of high blood pressure. The drop in blood pressure may cause lightheadedness, especially when changing your position suddenly.

Does the effect of Newcontin 6.4 Tablet CR wear off after some time?

Yes, excessive use of Newcontin 6.4 Tablet CR may cause tolerance which means that Newcontin 6.4 Tablet CR may lose its effectiveness on you. Therefore, usually the doctors prescribe the smallest dose required for effective relief of acute angina attack. This helps maintain the effectiveness of Newcontin 6.4 Tablet CR.

What does too much Newcontin 6.4 Tablet CR do?

Excess Newcontin 6.4 Tablet CR may result in low blood pressure, sweating, nausea, vomiting, headache, weak and fast pulse. It may also cause weakness, lightheadedness on standing and the patient might even faint. The patient will require emergency medical treatment in such a case.

Can I stop using Newcontin 6.4 Tablet CR as I feel better now?

Stopping Newcontin 6.4 Tablet CR suddenly may bring on attacks of angina, especially if you have been using it for several weeks or more. Talk to your doctor who will advise you to reduce the dose gradually over 4 to 6 weeks before you stop using it completely.

Does Newcontin 6.4 Tablet CR stop heart attacks?

Newcontin 6.4 Tablet CR is prescribed to prevent attacks of heart-related chest pain (angina) in patients with coronary artery disease. In this disease the blood vessels (coronary arteries) which supply blood to the heart become narrowed because of which the heart has to work harder to get enough oxygen. Newcontin 6.4 Tablet CR prevents angina by relaxing the blood vessels so that the heart does not have to work very hard. Also, relaxation of coronary arteries increases the oxygen supply to the heart.

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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

Michel T, Hoffman BB. Treatment of Myocardial Ischemia and Hypertension. 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. 747-55.
Katzung BG, Chatterjee K. Vasodilator & the Treatment of Angina Pectoris. 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. 191, 195-97.
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. 986-88.
Nitroglycerin Sublingual Tablets. New York, New York: Parke-Davis; 2014. [Accessed 20 Mar. 2019] (online) Available from:
Drugs and Lactation Database (LactMed) [Internet]. Bethesda (MD): National Library of Medicine (US); 2006. Nitroglycerin. [Updated 2018 Oct 31]. [Accessed 19 Feb. 2020] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). Nitroglycerin. [Accessed 19 Mar. 2019] (online) Available from:
Kim KH, Kerndt CC, Adnan G, et al. Nitroglycerin. [Updated 2022 Sep 27]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023. [Accessed 02 Aug. 2023] (online) Available from:

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