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Glyceryl Trinitrate SL Tablet

Nitrostat SL
Tablet (Sublingual)
Sourced from Canada
Prescription Required
Generic Equivalents what's the difference?
Glyceryl Trinitrate SL Tablet (Generic)
Sourced from United Kingdom
Prescription Required

Nitroglycerin/Glyceryl Trinitrate (Nitrostat SL, Nitrolingual Pumpspray)

Nitroglycerin (also known as glyceryl trinitrate) is used to treat or prevent attacks of chest pain (angina).

Nitroglycerin is available in various dosage forms such as sublingual (SL) tablet, sublingual spray and transdermal patch. Speak to your doctor or pharmacist to decide which is best for you.

Nitroglycerin may also be used for purposes not listed in this medication guide.

Possible Side Effects Of Nitroglycerin/Glyceryl Trinitrate

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

  • severe or throbbing headaches that do not become less severe with continued use of nitroglycerin;
  • pounding heartbeats or fluttering in your chest;
  • slow heart rate;
  • a light-headed feeling, like you might pass out;
  • blurred vision or dry mouth; or
  • heart attack symptoms–chest pain or pressure, pain spreading to your jaw or shoulder, nausea, sweating.

Nitroglycerin can cause severe headaches. These headaches may gradually become less severe as you continue to use nitroglycerin. Do not stop taking this medicine. Ask your doctor before using any headache pain medication.

Common side effects may include:

  • headache, dizziness;
  • flushing (warmth, redness, or tingly feeling);
  • numbness; or
  • mild burning or tingling with the tablet in your mouth.

This is not a complete list of side effects and others may occur.

Important Information About Nitroglycerin/Glyceryl Trinitrate

You should not use this medicine if you are also using medicine to treat pulmonary arterial hypertension or erectile dysfunction (viagra, cialis etc).

You should not use sublingual nitroglycerin if you have severe anemia, increased pressure inside your skull, or symptoms of circulation problems or shock (pale skin, cold sweat, sudden weakness or feeling like you might pass out).

It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.

It may not be safe to breast-feed while using this medicine. Ask your doctor about any risk.

How To Take Nitroglycerin/Glyceryl Trinitrate

Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.

If you use too much nitroglycerin, it might stop working as well in controlling your symptoms.

Nitroglycerin is usually taken at the first sign of chest pain. You may use nitroglycerin sublingual within 5 to 10 minutes before an activity you think might cause chest pain. Try to rest or stay seated when you take nitroglycerin (may cause dizziness or fainting).

Read and carefully follow any Instructions for Use provided with your medicine. Ask your doctor or pharmacist if you do not understand these instructions.

Seek emergency medical attention if your chest pain gets worse or lasts more than 5 minutes, especially if you have trouble breathing or feel weak, dizzy, or nauseated, or lightheaded.

You may feel a slight burning or stinging in your mouth when you use this medicine. This is not a sign of how well the medicine is working. Do not use more just because you do not feel a burning or stinging.

This medicine can affect the results of certain medical tests. Tell any doctor who treats you that you are using nitroglycerin.

If you take nitroglycerin on a regular schedule to prevent angina, do not stop taking it suddenly or you could have a severe attack of angina. Keep this medicine on hand at all times. Get your prescription refilled before you run out of medicine completely.

Store nitroglycerin at room temperature away from moisture and heat. Keep the tablets in the original glass container, tightly closed when not in use.

Keep the spray away from open flame or high heat, such as in a car on a hot day. The canister may explode if it gets too hot.

If You Miss A Dose

Since nitroglycerin is used when needed, you may not be on a dosing schedule. If you are on a schedule, the medicine as soon as you can, but skip the missed dose if your next dose is due in less than 2 hours. Do not use two doses at one time.

If You Overdose

Seek emergency medical attention. An overdose of nitroglycerin can be fatal.

Overdose symptoms may include a severe throbbing headache, confusion, fever, fast or pounding heartbeats, dizziness, vision problems, vomiting, bloody diarrhea, trouble breathing, cold or clammy skin, fainting, and seizures.

What To Avoid While Taking Nitroglycerin/Glyceryl Trinitrate

Avoid driving or hazardous activity until you know how this medicine will affect you. Your reactions could be impaired. Avoid getting up too fast from a sitting or lying position, or you may feel dizzy.

Drinking alcohol can increase certain side effects such as dizziness, drowsiness, feeling light-headed, or fainting.

Drugs That Affect Nitroglycerin/Glyceryl Trinitrate

Tell your doctor about all your current medicines, especially:

  • aspirin, heparin;
  • medicine used to treat blood clots;
  • blood pressure medication
  • ergot medicine–dihydroergotamine, ergotamine, ergonovine, methylergonovine.
  • medicines for erectile dysfunction – Viagra, Cialis, Levitra etc.
  • medicines for pulmonary hypertension – Revatio etc.

This list is not complete and many other drugs may affect nitroglycerin. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.


If you have any questions about buying discount nitroglycerin (Nitrostat SL, Nitrolingual Pump Spray) online or any other prescription products you can contact our team of professional Patient Service Representatives or one of our pharmacists by calling 1-833-313-3173.

Notice: The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.


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