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Composition for NITROVIR (VHB)

Glyceryl Trinitrate(NA)

food interaction for NITROVIR (VHB)

alcohol interaction for NITROVIR (VHB)

pregnancy interaction for NITROVIR (VHB)

lactation interaction for NITROVIR (VHB)

It can be taken with or without food, but it is better to take it at a fixed time.
It may cause symptoms such as flushing, increased heartbeat, nausea, thirst, chest pain and low blood pressure with alcohol (Disulfiram reactions).
It is probably safe to use during pregnancy.
Animal studies have shown no adverse effect on the foetus, however, there are limited human studies. Please consult your doctor.
It is probably safe to use during breastfeeding. Please consult your doctor.


Glyceryl Trinitrate(NA)


Nitrovir injection is used in the prevention and treatment of the chest pain associated with angina (when the blood supply to the muscles of the heart is restricted).

How it works

Nitrovir injection belongs to a group of medicines known as nitrates. Nitrates temporarily relax smooth muscles, including those  found in the walls of blood vessels in the heart. This reduces strain on the heart by making it easier for it to pump blood.

Common side effects

Vomiting, Nausea, Nervousness, Allergic reaction, Flushing, Blurred vision, Decreased blood pressure, Dizziness, Fainting, Headache, Lightheadedness, Tachycardia, Xerostomia


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Expert advice for NITROVIR (VHB)

  • Do not take glyceryl trinitrate tablets, if you are allergic (hypersensitive) to glyceryl trinitrate.
  • Consult your doctor, if you are pregnant, planning to become pregnant or breast feeding.
  • Do not consume alcohol while taking glyceryl trinitrate.
  • This medicine may make you drowsy or dizzy. If affected, do not drive or operate machines.

Frequently asked questions for NITROVIR (VHB)

Glyceryl Trinitrate

Q. What does glyceryl trinitrate treat/ why is glyceryl trinitrate given/ is glyceryl trinitrate a beta blocker/ a vasodilator/ relieve angina/ does glycerol trinitrate work?
Glyceryl Trinitrate is used in the prevention and treatment of the chest pain associated with angina. It is not a beta blocker. It is a vasodilator. It relaxes most smooth muscle, including that found in the walls of blood vessels in the heart. This reduces strain on the heart by making it easier to pump blood.
Q. How glyceryl trinitrate is taken/why is glyceryl trinitrate administered sublingually?
Glycerol nitrate can be taken in a number of ways-sublingual tablets, sprays, ointment, transdermal patches.

 Q. What is glyceryl trinitrate spray used for/ how does glyceryl trinitrate spray work?
At the onset of an attack or prior to a precipitating event: one or two 400 microgram metered dose should be sprayed under the tongue. 
Q. Is glyceryl trinitrate harmful/ does glyceryl trinitrate cause stomach irritation?
Glyceryl trinitrate can be used safely at recommended doses and duration. It may cause stomach irritation and headache.
Q. Is glyceryl trinitrate explosive?
Yes, glycerol nitrate is used in making explosives and medically as a vasodilator.
Q. Does glyceryl trinitrate work like Viagra?
Viagra is used as treatment for anti-erectile dysfunction and glyceryl trinitrate for treatment of chest pain. Both work by dilation of venous and arteries which results in inflow of blood but the mechanisms are entirely different. Do not use nitrates to relieve an angina attack if the patient has recently taken viagra, use other angina treatments instead as the combination of these two can lead to a dangerous drop in blood pressure.


Content on this page was last updated on 29 January, 2014, by Dr. Varun Gupta (MD Pharmacology)