Isonit Gtn 6.4mg Tablet is used to prevent heart-related chest pain (angina). It works by relaxing and widening blood vessels so blood can flow more easily to the heart. This medicine will not treat an angina attack that has already begun.

Isonit Gtn 6.4mg Tablet is used to treat chest pain and also to promote healing of skin tear in the back passage

Uses of Isonit Gtn Tablet

Prevention of Angina

Benefits of Isonit Gtn Tablet

In Prevention of Angina

Isonit Gtn 6.4mg Tablet reduces your risk of getting heart-related chest pain (angina attack). It does not treat an angina attack that has already begun and should not be used for this purpose. It works by relaxing and widening blood vessels in the heart. This makes it easier for blood to flow to the heart, so it gets more oxygen. This medicine thus helps to increase your ability to exercise and go about your daily life more easily and confidently. It should be taken regularly to be effective.

Side effects of Isonit Gtn 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 Isonit Gtn

Headache
Flushing (sense of warmth in the face, ears, neck and trunk)
Upper respiratory tract infection
Abdominal pain
Allergic reaction
Chest pain
Diarrhea

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

How Isonit Gtn Tablet works

Isonit Gtn 6.4mg Tablet is a nitrate. It dilates peripheral arteries and veins. Dilation of the veins promotes peripheral pooling of blood and decreases venous return to the heart, thereby reducing workload of heart. As a result, the heart muscle does not need as much blood and oxygen supply.

Safety advice

Alcohol

UNSAFE

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

Pregnancy

CONSULT YOUR DOCTOR

Isonit Gtn 6.4mg Tablet 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

Information regarding the use of Isonit Gtn 6.4mg Tablet during breastfeeding is not available. Please consult your doctor.

Driving

UNSAFE

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

Kidney

SAFE IF PRESCRIBED

Isonit Gtn 6.4mg Tablet is safe to use in patients with kidney disease. No dose adjustment of Isonit Gtn 6.4mg Tablet is recommended.
However, talk to your doctor if you have any underlying kidney disease.

Liver

SAFE IF PRESCRIBED

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

All substitutes

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

No substitutes found for this medicine

Quick tips

You have been prescribed Isonit Gtn 6.4mg Tablet 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.
Isonit Gtn 6.4mg Tablet 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 Isonit Gtn 6.4mg Tablet 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 Isonit Gtn 6.4mg Tablet 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 Isonit Gtn 6.4mg Tablet as it may cause low blood pressure.

Fact Box

Chemical Class

Nitrates

Habit Forming

Therapeutic Class

CARDIAC

Action Class

NO Donors

Patient concerns

What is heart attack? When heart attack coming?

Dr. Nabajit Talukdar

Interventional Cardiology

Related to chest pain angina commonly

Recwntly have heart attack 1 month ago . Can drive 2 wheeler

Dr. Nabajit Talukdar

Interventional Cardiology

can do if no angina etc

FAQs

Does Isonit Gtn 6.4mg Tablet affect heart rate?

Yes, Isonit Gtn 6.4mg Tablet may affect the heart rate. Isonit Gtn 6.4mg Tablet causes a decrease in blood pressure. This decrease in blood pressure further causes a decrease in the heart rate (bradycardia). In some cases, it may also cause an increase in the heart rate (tachycardia). Consult your doctor in case you do not feel well after taking this medicine or if you notice a change in your heart rate.

What if I forget to take a dose of Isonit Gtn 6.4mg Tablet?

You can take the forgotten dose of Isonit Gtn 6.4mg Tablet if you remember it within 12 hours. However, if you remember it after 12 hours of the scheduled time, then skip the missed dose and continue with the next dose.

Can I stop taking Isonit Gtn 6.4mg Tablet after sometime?

No, do not stop taking this medicine without talking to your doctor. Stopping it suddenly may increase your chances of having an anginal attack. If you have any concerns regarding Isonit Gtn 6.4mg Tablet consult your doctor.

What are the symptoms of an overdose of Isonit Gtn 6.4mg Tablet?

Taking more than the recommended dose of Isonit Gtn 6.4mg Tablet may cause throbbing headache, reddening of the skin, chills along with sweating, nausea, vomiting, and a fast heartbeat. Seek emergency help and consult your doctor immediately if you take more than the recommended dose of this medicine.

Can Isonit Gtn 6.4mg Tablet be taken at night?

Depending upon the dose, your doctor may recommend you to take this medicine once or twice daily. When a single dose is recommended, then it is preferred to be taken in the morning. If taking it twice a day, maintain a gap of 7 hours between the two doses. This helps decrease the chances of Isonit Gtn 6.4mg Tablet becoming ineffective (tolerance) after some time.

Does Isonit Gtn 6.4mg Tablet lower BP?

Yes, Isonit Gtn 6.4mg Tablet can cause a fall in blood pressure. This medicine widens the blood vessels and decreases the resistance in them, causing a fall in blood pressure. This fall in blood pressure may in turn decrease the heartbeat which can lead to angina. This medicine should be avoided in people who already have low blood pressure. Discuss with your doctor if you have any concerns.

Can I take sildenafil while taking Isonit Gtn 6.4mg Tablet?

No, you should not take sildenafil along with Isonit Gtn 6.4mg Tablet. Both these medicines lower blood pressure and belong to the same class. Taking these two medicines together may cause a severe decrease in blood pressure, fainting, and even a heart attack. Along with this, also avoid taking other medicines belonging to similar classes such as vardenafil and tadalafil.

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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

Opie LH, Horowitz JD. Nitrates and Newer Antianginals β-Blocking Agents. In: Opie LH, Gersh BJ, editors. Drugs for the Heart. 8th ed. Philadelphia, Pennsylvania: Elsevier Saunders; 2013. p. 47.
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. p. 744.
Drugs.com. Isosorbide mononitrate Pregnancy and Breastfeeding Warnings. [Accessed 19 Mar. 2019] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). [Accessed 19 Mar. 2019] (online) Available from:
Central Drugs Standard Control Organisation. Isosorbide Mononitrate. [Accessed 05 Jul. 2023]. (online) Available from:
National Health Services. Isosorbide mononitrate and isosorbide dinitrate. [last Reviewed: 1 Jul. 2021]. [Accessed 05 Jul. 2023]. (online) Available from:
Isosorbide mononitrate tablet [Prescribing Information]. Dupnitsa, Bulgaria: Balkanpharma - Dupnitsa AD; 2022. [Accessed 05 Jul. 2023]. (online) Available from:

Marketer details

Name: Rafflesia Life Sciences Pvt Ltd

Address: B-3334, B Block Gali No. 87, Apex Road, Sant Nagar, Burari Delhi New Delhi Dl 110084 India

Country of origin: India

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Isonit Gtn 6.4mg Tablet

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