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Prescription requiredMankind (pharma)Cardiac medicine
Nitrolong -6.4
Nitroglycerin (6.4mg)
₹351MRP ₹369In stock
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Nitrolong -6.4 is used for nitrolong 6.4 Tablet CR is used in the treatment of chest pain (angina).
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026
Licensed pharmacyPharmacist-verified orderDelivered across India
Key details
Salt: Nitroglycerin (6.4mg)
Available variants: NA 30`S
Best price: ₹351
MRP: ₹369
Prescription: Required
Manufacturer: MANKIND (PHARMA)
Ordering notes
Standard delivery across India. No same-day delivery nationally.
Chennai express delivery is possible and chargeable. Learn more
Returns & refunds: orders can be cancelled before dispatch; after dispatch, returns depend on the item category. Read the full policy
Composition of Nitrolong -6.4
Nitrolong -6.4 contains Nitroglycerin (6.4mg). It belongs to the Cardiovascular agent class of medicines.
Uses of Nitrolong -6.4
Nitrolong 6.4 Tablet CR is used in the treatment of chest pain (angina).
Key benefits
- Controls symptoms and protects the heart over the long term
How Nitrolong -6.4 works
Nitrolong 6.4 Tablet CR is a nitrate. It works by relaxing the blood vessels which decreases the oxygen demand of the heart and reduces its workload. It thus prevents/treats attacks of angina (chest pain).
How to take Nitrolong -6.4
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. Nitrolong 6.4 Tablet CR may be taken with or without food, but it is better to take it at a fixed time.
Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.
Missed dose and overdose
If you miss a dose
Take it as soon as you remember. If your next dose is almost due, skip the one you missed — never take two doses together to catch up.
If you take too much
An overdose of this medicine can seriously disturb the heart's rhythm and blood pressure. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.
Side effects of Nitrolong -6.4
Most side effects of Nitrolong -6.4 are mild and settle as the body adjusts. Reported side effects include:
- Headache Lightheadedness
Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.
Safety advice for Nitrolong -6.4
| Pregnancy | Nitrolong 6.4 Tablet CR is probably safe to use during pregnancy.<br>Animal studies have shown low or no adverse effect on the foetus, however, there are limited human studies. Please consult your doctor. |
|---|---|
| Breastfeeding | Nitrolong 6.4 Tablet CR is probably safe to use during lactation. Limited human data suggests that the drug does not represent a significant risk to the baby. |
| Alcohol | Nitrolong 6.4 Tablet CR may cause symptoms such as flushing, increased heartbeat, nausea, thirst, chest pain and low blood pressure with alcohol (Disulfiram reactions). |
| Driving | May cause drowsiness or affect your concentration. Do not drive until you know how it affects you. |
| Kidney | Nitrolong 6.4 Tablet CR is probably safe to use in patients with kidney disease. Limited data available suggests that dose adjustment of Nitrolong 6.4 Tablet CR may not be needed in these patients. Please consult your doctor. |
| Liver | There is limited information available on the use of Nitrolong 6.4 Tablet CR in patients with liver disease. Please consult your doctor. |
| Habit forming | No |
Warnings and precautions
Do not stop or change the dose of a heart medicine on your own. Report fainting, a very slow or very fast pulse, or new breathlessness. Keep every follow-up appointment — most of these medicines need periodic blood tests or an ECG.
Do not take Nitrolong -6.4 if
Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Your doctor will check that this is suitable for your particular heart condition.
Interactions with other medicines
Heart medicines interact widely. Tell your doctor and pharmacist about everything you take, including herbal products.
How to store Nitrolong -6.4
Store below 30°C in the original pack, away from direct sunlight and moisture. Keep out of the reach of children.
Expert advice for Nitrolong -6.4
Take it at the same time each day and do not miss doses. Keep an up-to-date list of your medicines with you.
Manufacturer and class
- Manufacturer:
- MANKIND (PHARMA)
- Therapeutic class:
- Cardiac medicine
- Drug class:
- Cardiovascular agent
Substitutes for Nitrolong -6.4
Medicines with the same active ingredient (Nitroglycerin (6.4mg)). Ask your doctor or pharmacist before switching brands.
| Medicine | Pack | Price | vs Nitrolong -6.4 |
|---|---|---|---|
| Angiwell 6.4 mg TabletCorona Remedies Pvt Ltd | tablet · 30`S | ₹278 | 21% cheaper |
| Myonit SR 6.4 TabletTROIKAA PHARMACEUTICALS` | tablet · 30`S | ₹379 | 8% more |
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Nitrolong -6.4 FAQs
What is Nitrolong -6.4 used for?
Nitrolong -6.4 is commonly used for Nitrolong 6.4 Tablet CR is used in the treatment of chest pain (angina). Always follow your doctor's advice, this information is for educational purposes and not a substitute for professional medical guidance.
What is the salt in Nitrolong -6.4?
Nitrolong -6.4 contains Nitroglycerin (6.4mg). If you are allergic to any of these active ingredients or excipients, do not take this medicine and speak to your doctor first.
How should I take Nitrolong -6.4?
Take this medicine in the dose and duration as advised by your doctor. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Nitrolong -6.4 work?
Nitrolong 6.4 Tablet CR is a nitrate.
Is Nitrolong -6.4 a prescription medicine?
Yes. Nitrolong -6.4 is a prescription-only (Rx) medicine. Upload a valid prescription from a registered medical practitioner during checkout. We cannot dispense it without a valid Rx.
What are the common side effects of Nitrolong -6.4?
The side effects reported most often with Nitrolong -6.4 are Headache
Lightheadedness. Most are mild and settle as the body adjusts; tell your doctor if any of them persist or worry you, and stop the medicine and seek help at once for a rash, swelling of the face or lips, or difficulty breathing.
Can Nitrolong -6.4 be taken during pregnancy?
Nitrolong 6.4 Tablet CR is probably safe to use during pregnancy.<br>Animal studies have shown low or no adverse effect on the foetus, however, there are limited human studies. Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Nitrolong -6.4.
Can I drink alcohol while taking Nitrolong -6.4?
Nitrolong 6.4 Tablet CR may cause symptoms such as flushing, increased heartbeat, nausea, thirst, chest pain and low blood pressure with alcohol (Disulfiram reactions).
What if I miss a dose of Nitrolong -6.4?
Take it as soon as you remember.
Is Nitrolong -6.4 habit forming?
No. Nitrolong -6.4 is not known to be habit forming when taken as prescribed.
Is there a cheaper substitute for Nitrolong -6.4?
Angiwell 6.4 mg Tablet has the same active ingredient and strength and is listed from ₹278 on PingMeDoc Pharmacy. Ask your doctor or pharmacist before switching brands, the salt is the same, but excipients and release profiles can differ.
How much does Nitrolong -6.4 cost on PingMeDoc Pharmacy?
Nitrolong -6.4 starts at ₹351 (MRP ₹369) on PingMeDoc Pharmacy. Available in NA 30`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Nitrolong -6.4?
Nitrolong -6.4 is manufactured by MANKIND (PHARMA). PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Nitrolong -6.4 delivered?
Nitrolong -6.4 is delivered across India via our licensed pharmacy partners. Standard delivery timelines are confirmed at checkout. Chennai customers can opt for chargeable same-city express delivery.
Nitrolong -6.4, Quick facts
- Salt
- Nitroglycerin (6.4mg)
- Best price
- ₹351
- MRP
- ₹369
- Prescription
- Required (Rx)
- Brand
- MANKIND (PHARMA)
- Manufacturer
- MANKIND (PHARMA)
- Therapeutic class
- Cardiac medicine
- Drug class
- Cardiovascular agent
- Habit forming
- No
- Variants
- NA 30`S
- Delivery
- Standard across India
References
The information on Nitrolong -6.4 is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.
- PingMeDoc clinical monograph library — compiled from Indian package inserts, the Indian Pharmacopoeia
- CDSCO schedules and standard pharmacology references. Reviewed for patient readability. This is general information, not a substitute for your doctor's advice.
- Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
- National List of Essential Medicines (NLEM) 2022, Government of India.
- Manufacturer's package insert / prescribing information for Nitrolong -6.4.
- World Health Organization, ATC/DDD classification and Model Formulary for the active ingredient.
Next steps
Safety disclaimer
Product information is for general awareness and does not replace professional medical advice. Always follow a clinician's guidance and upload a valid prescription when required.