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MRP: Rs. 299 for 1 packet(s) (200 MDI spray each)
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Composition for GTN

Glyceryl Trinitrate Topical(0.4mg)

food interaction for GTN

alcohol interaction for GTN

pregnancy interaction for GTN

lactation interaction for GTN

It can be taken with or without food, but it is better to take Gtn 0.4mg spray at a fixed time.
Interaction with alcohol is unknown. Please consult your doctor.
Gtn 0.4mg spray may be unsafe to use during pregnancy.
Either animal studies have shown adverse effect on fetus and there are no human studies or studies in human and animals are not available. It should be given only if potential benefits justifies risk to the fetus. Please consult your doctor.
Gtn 0.4mg spray is probably safe to use during breastfeeding. Please consult your doctor.


Glyceryl Trinitrate Topical(0.4mg)


Gtn 0.4mg spray is used in the prevention of angina (chest pain) and anal fissure (a small tear in the anus that causes pain and bleeding).

How it works

Glyceryl trinitrate belongs to the class of medications called as vasodilators. It works by relaxing the blood vessels and allows the blood to flow more easily. When applied to the anal canal, glyceryl trinitrate increases the blood flow, which in turn reduces anal pressure and relives pain caused by anal fissure.

Common side effects

Vomiting, Nausea, Drowsiness, Dizziness, Headache, Decreased blood pressure, Lightheadedness, Tachycardia, Bradycardia, Weakness


1 Substitutes
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    (200 MDI spray in packet)
    Modi Mundi Pharma Pvt Ltd
    Rs. 2.25/MDI of spray
    Rs. 450
    pay 51% more per MDI of spray

Expert advice for GTN

  • Tell your doctor if you have any problems related to heart, lung, liver, kidney or brain.
  • Tell your doctor if you are taking any medicines to treat migraine, depression, erectile dysfunction or if you are taking any water pills, painkillers or tranquillisers.
  • Consult your doctor if you have applied glyceryl trinitrate and are about to have surgery.
  • Do not drive or operate machines after the use of glyceryl trinitrate as it may make you feel dizzy.
  • Do not consume alcohol while using glyceryl trinitrate topical as it may worsen the side effects.
  • Tell your doctor if you are pregnant, planning to become pregnant or breastfeeding.
  • Do not use if you are allergic to glyceryl trinitrate or any of its ingredients.
  • Do not use if you have severe anemia, low blood pressure or low blood volume.
  • Do not use if you having glaucoma (increased pressure within the eyeball).
  • Do not use if you having problems with heart valve, heart lining, increased fluid around heart or other severe heart conditions such as hypertrophic obstructive cardiomyopathy.
  • Do not use if you have head injury, bleeding in the brain, increased pressure in the skull or other brain conditions such as cerebrovascular disease/stroke.

Frequently asked questions for GTN

Glyceryl Trinitrate Topical

Q. How is glyceryl trinitrate topical taken/ what is glyceryl trinitrate ointment?
Glyceryl trinitrate topical can be taken in a number of ways- skin/rectal ointments, transdermal patches. Glyceryl trinitrate ointment is used in prevention of angina (chest pain due to reduced blood supply to heart) attack. It can also be used to treat anal fissure.

Top Medicines Prescribed with GTN 0.4MG SPRAY


Content on this page was last updated on 06 July, 2016, by Dr. Varun Gupta (MD Pharmacology)