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Active substance(s): GLYCERYL TRINITRATE

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30 mm



Glyceryl Trinitrate Tablets 500 micrograms
Glyceryl Trinitrate Tablets 600 micrograms
(Glyceryl Trinitrate)
Read all this leaflet carefully before you start taking this medicine because it contains important
information for you.
• Keep this leaflet. You may need to read it again.
• If you have any further questions ask your doctor or pharmacist.
• This medicine has been prescribed for you only. Do not pass it on to others. It may harm them, even
if their signs of illness are the same as yours.
• If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects
not listed in the leaflet. See section 4.
What is in this leaflet
1. What Glyceryl Trinitrate tablets are and what they are used for
2. What you need to know before you take Glyceryl Trinitrate tablets
3. How to take Glyceryl Trinitrate tablets
4. Possible side effects
5. How to store Glyceryl Trinitrate tablets
6. Contents of the pack and other information.

1. What Glyceryl Trinitrate tablets are and what they are used for
Glyceryl Trinitrate belongs to a group of medicines called nitrate vasodilators. These medicines work by
relaxing the blood vessels of the heart. This reduces the strain on the heart by making it easier to pump
Glyceryl Trinitrate tablets may be used to:
• prevent or stop chest pain caused by angina pectoris
• stop spasms in the blood vessels of the heart.



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2. What you need to know before you take Glyceryl Trinitrate tablets
Do not take Glyceryl Trinitrate Tablets if you:
• are allergic (hypersensitive) to glyceryl trinitrate, nitrates or any of the ingredients in the tablet. An
allergic reaction may include a rash, itching, difficulty breathing or swelling of the face, lips, throat or
tongue (see section 6).
• have glaucoma (increased pressure in the eye), anaemia, hypovolaemia (decreased blood volume),
low blood pressure or other heart problems.
• have raised pressure in your head including that caused by an accident to your head or bleeding
on the brain, causing painful eyes, changes in vision and a bad headache especially behind the eyes.
• are taking sildenafil (Viagra) or similar medicines (such as tadalafil or vardenafil) used for the treatment
of erection problems.
Warnings and precautions
Talk to your doctor or pharmacist before taking Glyceryl Trinitrate tablets if you have:
• severe liver or kidney problems
• had an under active thyroid gland or a recent heart attack
• low body temperature (hypothermia), very low blood pressure or low blood volume
• poor nutrition due to an unbalanced diet or digestion problems (malnutrition)
• abnormally low levels of oxygen in the blood (hypoxaemia)
• any of the following heart conditions: narrowing of heart valves, inflammation of the heart, build up of
fluid around the heart or heart failure
• disease of the blood vessels supplying the brain (cerebrovascular disease).
Other medicines and Glyceryl Trinitrate Tablets
Tell your doctor or pharmacist if you are taking, have recently taken or might take any other
medicines, including medicines obtained without a prescription. Especially:
• sildenafil (Viagra), tadalafil (Cialis) or vardenafil (Levitra) used to treat erection problems
• heparin used to thin the blood
• n-acetylcysteine used in paracetamol overdose
• long acting nitrates (isosorbide dinitrate, isosorbide mononitrate)
• medicines used to treat high blood pressure, migraine (ergot alkaloids)
• medicines that can cause dry mouth (amitriptyline, disopyramide, atropine and propantheline,
tricyclic antidepressants)
• apomorphine used to treat Parkinson’s disease.
Glyceryl Trinitrate tablets with food, drink and alcohol
You should not drink alcohol while using Glyceryl trinitrate tablets, as it may increase the effects of the
Pregnancy, breast-feeding and fertility
If you are pregnant, planning to become pregnant or breast feeding, ask your doctor or pharmacist for
advice before taking this medicine.
Driving and using machines
As glyceryl trinitrate can cause dizziness you should make sure you are not affected before driving
or operating machinery, especially if taken with alcohol.
Glyceryl Trinitrate Tablets contain lactose
If you have been told you have an intolerance to some sugars, contact your doctor before taking
this medicine, as it contains lactose.

Glyceryl Trinitrate Tablets
120 x 265 mm



10 mm

3. How to take Glyceryl Trinitrate tablets
Always take these tablets exactly as prescribed by your doctor. You should check with your doctor or
pharmacist if you are unsure.
Do not swallow the tablets
Adult: 1 tablet should be placed under the tongue and allowed to dissolve slowly; this dose should be
repeated after 5 minutes if symptoms are not relieved. If pain persists after a total of 3 doses in 15 minutes,
you should seek medical advice immediately.
Your doctor will change the dose to suit your condition. If you notice that your tablets are not working as
well at relieving pain as they have done, contact your pharmacist or doctor. If you need more tablets than
before to help, tell the doctor who will advise what to do.
If you take more Glyceryl Trinitrate Tablets than you should
If you (or someone else) swallow a lot of tablets at the same time, or you think a child may have
swallowed any contact your nearest hospital casualty department or tell your doctor immediately.
Symptoms of an, overdose include being sick, restlessness, low blood pressure, fainting, blueness of the
skin, methaemoglobin in the blood, breathing difficulties, lack of oxygen in tissues, slow heart beat and
mental illness.

4. Possible Side Effects
Like all medicines, Glyceryl Trinitrate tablets can cause side effects, although not everybody gets them.
If any of the following serious side effects happen, stop taking the medicine and tell your
doctor immediately or go to your nearest hospital:
Worsening of angina symptoms, palpitations, weakness, chest pains, difficulty breathing, blue colouring
of the lips, fingers or toes, rapid or slowed heart beat, blindness in one eye, weakness in one arm or leg,
or weakness in one entire side of the body, difficulty speaking, slurred speech, loss of coordination, loss
of consciousness.
The following side effects were reported very common (may affect more than 1 in 10 people)
• throbbing headache
The following side effects were reported common (may affect up to 1 in 10 people)
• spinning sensation, fall in blood pressure when seated or standing up, dizziness, drowsiness
• weakness
The following side effects were reported uncommon (may affect up to 1 in 100 people)
• fainting, feeling or being sick
• facial flushing and localised burning sensation.
The following side effects were reported rare (may affect up to 1 in 1,000 people)
• allergic skin reactions
The following side effects were reported very rare (may affect up to 1 in 10,000 people)
• heartburn, restlessness
• bad breath, itchy, flaky or red skin, skin rash
The following side effects were reported not known (frequency cannot be estimated from the available
• pain around the eye, changes in vision
Reporting of side effects
If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not
listed in this leaflet. You can also report side effects directly via the Yellow Card Scheme at: By reporting side effects you can help provide more information on the
safety of this medicine.

5. How to store Glyceryl Trinitrate Tablets
• Keep this medicine out of sight and reach of children.
• Do not use this medicine after the expiry date which is stated on the carton. The expiry date refers to
the last day of that month.
• Keep in the bottle with cap tight closed, in a dark place and protect from sunlight.
• Do not store above 250C
• If you do not use the tablets within 8 weeks of first opening the bottle, obtain a fresh supply and return
the old tablets to your pharmacist
• Do not throw away any medicines via wastewater or household waste. Ask your pharmacist how
to throw away medicines you no longer use. These measures will help protect the environment.

6. Contents of the pack and other information

V10 24-04-2015 D0

120 mm


What Glyceryl Trinitrate Tablets contain:
• The active ingredient is Glyceryl Trinitrate. Each tablet contains either 500 micrograms or 600
micrograms of the active ingredient. The other ingredients are lactose, mannitol, acacia, stearic acid
and magnesium stearate.
What Glyceryl Trinitrate Tablets look like and contents of pack:
• Glyceryl trinitrate 500mcg tablets are white, round, biconvex and unscored.
• Glyceryl trinitrate 600mcg tablets are white, round, flat and unscored
• Glyceryl trinitrate tablets are available in packs of 100 tablets
Marketing Authorisation Holder and Manufacturer
Bristol Laboratories Ltd., Unit 3, Canalside, Northbridge Road, Berkhamsted, HP4 1EG, United Kingdom
Telephone: 0044(0)1442 200922,
Glyceryl Trinitrate Tablets BP 0.5mg; PL 17907/0171
Glyceryl Trinitrate Tablets BP 0.6mg; PL 17907/0172
This leaflet was last revised in April 2015
To request a copy of this leaflet in Braille, large print or audio, please contact the licence holder at the
address above (or telephone, fax, email).

120 x 265 mm

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By Geeta at 2:15 pm, Apr 24, 2015

V8- 02- 09- 2013 D0, V9 23-04-2015 D0, V10 24-04-2015 D0

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Bristol Laboratories Ltd.

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Source: Medicines and Healthcare Products Regulatory Agency

Disclaimer: Every effort has been made to ensure that the information provided here is accurate, up-to-date and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. This information has been compiled for use by healthcare practitioners and consumers in the United States. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate that the drug or combination is safe, effective or appropriate for any given patient. If you have questions about the substances you are taking, check with your doctor, nurse or pharmacist.