GTN Sorbitrate 6.4mg 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.

GTN Sorbitrate 6.4mg 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 GTN Sorbitrate Tablet CR

Treatment of Angina (heart-related chest pain)

Benefits of GTN Sorbitrate Tablet CR

In Treatment of Angina (heart-related chest pain)

GTN Sorbitrate 6.4mg Tablet CR helps in prevention as well as treatment of angina. Angina is a chest pain that is usually caused by narrowing of the blood vessels which supply your heart. This means your heart does not get enough oxygen. GTN Sorbitrate 6.4mg Tablet CR works quickly to relax the muscles and blood vessels in your heart so more blood (and oxygen) gets to your heart. This reduces the pain and discomfort that angina causes.
You should take this medicine at the first sign of chest pain. If the first tablet does not work, you can take a second tablet after 5 minutes. However, if your chest pain does not go away after 15 minutes, you should get urgent medical attention. This could be a sign of a heart attack. GTN Sorbitrate 6.4mg Tablet CR also helps prevent chest pain if taken before exercising or doing other strenuous activities.

Side effects of GTN Sorbitrate 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 GTN Sorbitrate

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

How to use GTN Sorbitrate 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. GTN Sorbitrate 6.4mg Tablet CR may be taken with or without food, but it is better to take it at a fixed time.

How GTN Sorbitrate Tablet CR works

GTN Sorbitrate 6.4mg 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 GTN Sorbitrate 6.4mg 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

GTN Sorbitrate 6.4mg 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

GTN Sorbitrate 6.4mg 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

GTN Sorbitrate 6.4mg 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

GTN Sorbitrate 6.4mg Tablet CR is probably safe to use in patients with kidney disease. Limited data available suggests that dose adjustment of GTN Sorbitrate 6.4mg 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 GTN Sorbitrate 6.4mg Tablet CR in patients with liver disease. Please consult your doctor.

What if you forget to take GTN Sorbitrate Tablet CR?

If you miss a dose of GTN Sorbitrate 6.4mg 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.

GTN Sorbitrate 6.4mg Tablet CR

₹11.88/Tablet CR

Monit GTN 6.4 Tablet CR

Intas Pharmaceuticals Ltd

₹10.07/tablet cr

15% cheaper

Alnitro 6.4mg Tablet CR

Alvio Pharma

₹9.87/tablet cr

17% cheaper

Nitrocontin 6.4 Tablet CR

Modi Mundi Pharma Pvt Ltd

₹15.87/tablet cr

34% costlier

Myonit SR 6.4 Tablet

Troikaa Pharmaceuticals Ltd

₹12.77/tablet cr

7% costlier

Ntgn 6.4 Tablet CR

C M R Life Sciences

₹7.63/tablet cr

36% cheaper

View all substitutes

Quick tips

GTN Sorbitrate 6.4mg 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 GTN Sorbitrate 6.4mg 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 GTN Sorbitrate 6.4mg 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 GTN Sorbitrate 6.4mg Tablet CR as it may cause low blood pressure.

Fact Box

Chemical Class

Nitrates {Short acting}

Habit Forming

Therapeutic Class

CARDIAC

Action Class

NO Donors

Patient concerns

What is heart attack? When heart attack coming?

Dr. Nabajit Talukdar

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Related to chest pain angina commonly

Chest pain headache vetrigo Angina pain

Dr. Nabajit Talukdar

Cardiology

Get echo n ECG done

FAQs

Q. Can I take sildenafil if I am taking GTN Sorbitrate 6.4mg Tablet CR?

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

Q. What effect does GTN Sorbitrate 6.4mg Tablet CR have on blood pressure?

GTN Sorbitrate 6.4mg 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.

Q. Does the effect of GTN Sorbitrate 6.4mg Tablet CR wear off after some time?

Yes, excessive use of GTN Sorbitrate 6.4mg Tablet CR may cause tolerance which means that GTN Sorbitrate 6.4mg 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 GTN Sorbitrate 6.4mg Tablet CR.

Q. What does too much GTN Sorbitrate 6.4mg Tablet CR do?

Excess GTN Sorbitrate 6.4mg 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.

Q. Can I stop using GTN Sorbitrate 6.4mg Tablet CR as I feel better now?

Stopping GTN Sorbitrate 6.4mg 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.

Q. Does GTN Sorbitrate 6.4mg Tablet CR stop heart attacks?

GTN Sorbitrate 6.4mg 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. GTN Sorbitrate 6.4mg 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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