Rawnitro 6.4mg Tablet

Reviewed By Dr. Mekhala Chandra, MD, MBBS

Last updated on 19 Jan 2026 | 02:03 PM (IST)

Rawnitro 6.4mg Tablet 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.

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Nitroglycerin (6.4mg)

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General Information

Storage

Store below 30°C

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Product introduction

Rawnitro 6.4mg Tablet 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 that 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 Rawnitro Tablet

Angina (heart-related chest pain)

Benefits of Rawnitro Tablet

Angina (heart-related chest pain)
Angina is chest pain or discomfort that happens when the heart doesn’t get enough oxygen-rich blood, often triggered by physical activity or stress. Rawnitro 6.4mg Tablet helps relieve the pain and reduces the chances of future episodes, making it easier to move around and stay active without discomfort. It improves overall heart comfort and allows individuals to carry out daily tasks with greater ease and confidence.

Side effects of Rawnitro 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 Rawnitro

Headache

How to use Rawnitro 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. Rawnitro 6.4mg Tablet may be taken with or without food.

How Rawnitro Tablet works

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

All substitutes for Rawnitro 6.4mg Tablet

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

Caditril 6.4mg Tablet

by Leeford Healthcare Ltd

₹5/tablet

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G3N 6.4mg Tablet

by Emcure Pharmaceuticals Ltd

₹4.64/tablet

37% costlier

Angiwell 6.4mg Tablet

by Corona Remedies Pvt Ltd

₹8.17/tablet

141% costlier

New GTN 6.4mg Tablet

by Eris Lifesciences Ltd

₹10.4/tablet

207% costlier

Nitrozone 6.4mg Tablet

by Zydus Cadila

₹145.48/tablet

4191% costlier

Quick tips

Rawnitro 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 Rawnitro 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 Rawnitro 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 Rawnitro 6.4mg Tablet, as it may cause low blood pressure.

Safety advice

Alcohol

CAUTION

Alcohol should be used with caution while taking Rawnitro 6.4mg Tablet.

Pregnancy

CONSULT YOUR DOCTOR

The safety of Rawnitro 6.4mg Tablet 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

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

Driving

UNSAFE

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

Kidney

CAUTION

Rawnitro 6.4mg Tablet should be used with caution in patients with kidney disease. Dose adjustment may be needed.

Liver

CAUTION

Rawnitro 6.4mg Tablet should be used with caution in patients with liver disease. Dose adjustment may be needed.

Interaction with drugs

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

Life-threatening

Sildenafil (Oral Route)

Do not consume Sildenafil with Nitroglycerin. If Sildenafil is essential, ensure a gap of at least 24 hours after discontinuing Nitroglycerin. Please consult your doctor.

Life-threatening

Tadalafil (Oral Route)

Do not consume Tadalafil with Nitroglycerin. If Tadalafil is essential, ensure a gap of at least 48 hours between taking Tadalafil and Nitroglycerin.

Life-threatening

Sildenafil (Oral Route)

Do not consume Sildenafil with Nitroglycerin. If Sildenafil is essential, ensure a gap of at least 24 hours after discontinuing Nitroglycerin. Please consult your doctor.

Life-threatening

Sildenafil (Injection Route)

Do not consume Sildenafil with Nitroglycerin. If Sildenafil is essential, ensure a gap of at least 24 hours after discontinuing Nitroglycerin. Please consult your doctor.

Life-threatening

Sildenafil (Injection Route)

Do not consume Sildenafil with Nitroglycerin. If Sildenafil is essential, ensure a gap of at least 24 hours after discontinuing Nitroglycerin. Please consult your doctor.

Frequently asked questions

Can I take sildenafil if I am taking Rawnitro 6.4mg Tablet?

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

What effect does Rawnitro 6.4mg Tablet have on blood pressure?

Rawnitro 6.4mg Tablet 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 Rawnitro 6.4mg Tablet wear off after some time?

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

What does too much Rawnitro 6.4mg Tablet do?

Excess Rawnitro 6.4mg Tablet 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 Rawnitro 6.4mg Tablet as I feel better now?

Stopping Rawnitro 6.4mg Tablet 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 Rawnitro 6.4mg Tablet stop heart attacks?

Rawnitro 6.4mg Tablet 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) that supply blood to the heart become narrowed, because of which the heart has to work harder to get enough oxygen. Rawnitro 6.4mg Tablet prevents angina by relaxing the blood vessels so that the heart does not have to work very hard. Also, relaxation of the coronary arteries increases the oxygen supply to the heart.

Fact Box

Chemical Class

Alkyl nitrates

Habit Forming

Therapeutic Class

CARDIAC

Action Class

Nitric Oxide (NO) Donors

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 [Summary of Product Characteristics]. Modipuram, India: Modi-Mundipharma Pvt. Ltd.; 2023.
Nitroglycerin Sublingual [Prescribing Information]. New York, NY: 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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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: Rawlley Healthcare Pvt Ltd
Address: 30, Rama Market, Near Golden Temple, Amritsar-06 Punjab

Vendor Details

Country of origin: India

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Why we need a prescription?

Provide right medicines

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Most medicines cannot be sold without a valid prescription, as per the Drugs and Cosmetics Act, 1940 and Rules, 1945

Rawnitro 6.4mg Tablet

Save more with additional offers

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General Information

Contains

Salt Synonyms

Marketer

Storage

Product introduction

Uses of Rawnitro Tablet

Benefits of Rawnitro Tablet

Side effects of Rawnitro Tablet

How to use Rawnitro Tablet

How Rawnitro Tablet works

All substitutes for Rawnitro 6.4mg Tablet

Caditril 6.4mg Tablet

G3N 6.4mg Tablet

Angiwell 6.4mg Tablet

New GTN 6.4mg Tablet

Nitrozone 6.4mg Tablet

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Interaction with drugs

Sildenafil (Oral Route)

Tadalafil (Oral Route)

Sildenafil (Oral Route)

Sildenafil (Injection Route)

Sildenafil (Injection Route)

Frequently asked questions

Can I take sildenafil if I am taking Rawnitro 6.4mg Tablet?

What effect does Rawnitro 6.4mg Tablet have on blood pressure?

Does the effect of Rawnitro 6.4mg Tablet wear off after some time?

What does too much Rawnitro 6.4mg Tablet do?

Can I stop using Rawnitro 6.4mg Tablet as I feel better now?

Does Rawnitro 6.4mg Tablet stop heart attacks?

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

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