NITRONAL

Active substance: GLYCERYL TRINITRATE

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PACKAGE LEAFLET: INFORMATION FOR THE USER
®

Nitronal

1 mg/ml solution for infusion

glyceryl trinitrate
Read all of this leaflet carefully before you start taking this medicine.
- 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. Do not pass it on to others. It may
harm them, even if their symptoms are the same as yours.
- If any of the side effects gets serious, or if you notice any side effects not listed
in this leaflet, please tell your doctor or pharmacist.
In this leaflet:
1. What Nitronal ® is and what it is used for
2. Before you take Nitronal ®
3. How to take Nitronal ®
4. Possible side effects
5. How to store Nitronal ®
6. Further information

2. BEFORE YOU TAKE NITRONAL®
Do not take Nitronal ® if you
- are allergic (hypersensitive) to nitrates or any of the other ingredients of
Nitronal ® (see list of ingredients in Section 6). An allergic reaction may include
rash, itching, difficulty breathing or swelling of the face, lips, throat or tongue.
- are taking Viagra (sildenafil) or similar products for the treatment of erectile
dysfunction or hypertension of arterial lung vessels. If you take these products
and Nitronal ®, a severe and possibly dangerous fall in blood pressure can occur.
This would result in collapse, unconsciousness and could be fatal.
- are suffering from:
- acute circulatory failure
- shock
- low blood pressure
- a condition called cardiogenic shock – a condition which prevents the
heart from beating correctly, unless medical procedures or other medicines
have been taken to correct the heart rhythm.
- toxic pulmonary oedema. This is where there is fluid on the lungs caused
e.g. by smoke inhalation. Use of Nitronal® can worsen this condition.
- severe anaemia
- bleeding in the brain or where there is evidence of increased pressure in
the brain
- low blood oxygen
- severe blood loss
- a certain heart disease called hypertrophic obstructive cardiomyopathy
Nitronal ® is not intended for use in children.
Take special care with Nitronal ®
Before treatment with Nitronal ®, tell your doctor if you have any of these medical
conditions:
- severe liver disease
- kidney disease
- low body temperature
- underactive thyroid
- hypertrophic obstructive cardiomyopathy – where the heart muscle has thikkened and the heart does not beat properly
- constrictive pericarditis - where the heart muscle becomes inflamed and is
unable to beat efficiently
- cardiac tamponade - where there is fluid in a sac that surrounds the heart,
which affects it beating correctly
- heart valve problems
- low filling pressure in the heart, resulting from conditions including acute myocardial infarction (heart attack) and heart failure
- regular dizzy spells when standing up
- low blood volume. You may need to receive additional fluids via a “drip” before
you are given Nitronal®.
Taking other medicines
Please tell your doctor or pharmacist if you are taking or have recently taken any
other medicines, including medicines obtained without a prescription. This is
important as using more than one medicine at the same time can strengthen or
weaken the effect of the medicines. Your doctor may need to take special care or
change the dose. This is especially important for:
- drugs which lower blood pressure as well as beta blockers and calcium antagonists.
- previous treatment with other heart drugs containing nitrates such as Isosorbide
mononitrate and Isosorbide dinitrate – your doctor may need to increase the
dose of Nitronal®
- heparin – This is an anticoagulant medicine used to thin the blood.
- certain antidepressants (tricyclics) and antipsychotic medicines (e.g. chlorpromazine).
- pain killers which are similar to morphine (Nitronal® may also affect these).
- medicines for the treatment of erectile dysfunction or hypertension of arterial
lung vessels (see ‘Do not take Nitronal® if you’).
- medicines containing Sapropterin used by people with Phenylketonuria (PKU).
- treatments containing dihydroergotamine.
Also if you have had any alcoholic drinks or medicines which contain alcohol, this
can increase the side effects of Nitronal®.
Pregnancy and breast-feeding
Tell your doctor if you are pregnant. You should only be administered Nitronal®
after discussing with your doctor the potential benefits to you versus any potential
risks to your unborn child.
It is not known whether glyceryl trinitrate passes into human breast milk. You
should ask your doctor for advice if you are breast-feeding.
223050025/8

Druckdatum

Druckfarbe: schwarz

GI Nitronal 50ml England - 22 305 00 25/8 - Code 4390 - 148 x 400 - 2K - 41259 - #16.995

1. WHAT NITRONAL® IS AND WHAT IT IS USED FOR
Nitronal ® contains glyceryl trinitrate (GTN). GTN belongs to a group of medicines
called nitrates, which relax the muscle around blood vessels and make the
heart’s work easier.
Nitronal ® is a medicine which is only used in hospitals. It is used in three conditions:
- in heart failure
- in angina
- to lower the blood pressure during surgery.
All patients given Nitronal ® are monitored very carefully.

There is no sign of a harmful effect with respect to fertility in animal studies,
however there is no similar information for humans.
Driving and using machines
Nitronal® may affect the ability to drive or operate machinery. Do not drive or operate any tools or machines until you know how Nitronal® affects you.
Important information about some of the ingredients of Nitronal ®
Nitronal ® contains 49 milligrams of glucose monohydrate per millilitre (ml). You
should take this into account if you have diabetes mellitus.

4. POSSIBLE SIDE EFFECTS
Like all medicines, this medicine can cause side effects, although not everybody
gets them.
The frequency of side effects is classified into the following categories:
Very common: may affect more than 1 in 10 people
Common: may affect up to 1 in 10 people
Uncommon: may affect up to 1 in 100 people
Rare: may affect up to 1 in 1,000 people
Very rare: may affect up to 1 in 10,000 people
Not known: frequency cannot be estimated from the available data.
The following side effects have been reported:
Very common: headache
Common: decreased blood pressure, which can also occur on standing up;
weakness; dizziness; drowsiness; increased heart rate
Uncommon: fainting; worsened angina symptoms; slowing of the heart rate;
heart disorders; bluish colouration of the skin; facial flushing; circulatory collapse
(failure of the blood circulation); nausea; vomiting
Very rare: cerebral ischaemia (decreased blood flow to the brain); methaemoglobinaemia (a disorder of the red blood cells); restlessness; difficulty breathing;
dermatitis, skin rash
Not known: tolerance to the effect of the drug; increased sweating
Reporting of side effects
If you get any side effects, talk to your doctor, pharmacist or nurse. This includes
any possible side effects not listed in this leaflet. You can also report side effects
directly via the Yellow Card Scheme at: www.mhra.gov.uk/yellowcard.
By reporting side effects you can help provide more information on the safety of
this medicine.
5. HOW TO STORE NITRONAL®
Keep out of the reach and sight of children.
Your doctor and hospital pharmacist are responsible for the correct storage, use
and disposal of Nitronal ®. Nitronal ® should be stored unopened: do not store
Nitronal ® above 25°C. Keep the ampoules and vial in the outer carton and use
before the expiry date printed on the ampoule or vial and carton. The expiry date
refers to the last day of that month. The diluted solution, which should be used
as soon as possible, is stable in the recommended infusion system for up to 24
hours. Nitronal ® is for single dose use only. Discard any unused contents.
6. FURTHER INFORMATION
What Nitronal ® contains
The active substance is glyceryl trinitrate (GTN). Nitronal ® contains 1 milligram (mg)
per millilitre (ml) of GTN. Each 5 ml ampoule contains 5 mg of GTN, each 25 ml
ampoule contains 25 mg GTN and each 50 ml vial contains 50 mg of GTN. The
other ingredients are glucose monohydrate, water for injections, and dilute hydrochloric acid.
What Nitronal ® looks like and contents of the pack
Nitronal ® is a sterile, colourless solution for infusion.
Nitronal ® is available as cartons of 10 amber glass ampoules containing 5 ml or
25 ml of solution, or single clear glass vials containing 50 ml of solution.
Not all pack sizes may be marketed.
Marketing Authorisation Holder and Manufacturer
Marketing Authorisation Holder:
Merck Serono Limited
Bedfont Cross, Stanwell Road,
Feltham, Middlesex
TW14 8NX. UK.
Manufacturer:
G. Pohl-Boskamp GmbH & Co. KG
Kieler Strasse 11
25551 Hohenlockstedt
Germany
G. Pohl-Boskamp GmbH & Co. KG
Kaddenbusch 11
25578 Dägeling
Germany
This leaflet was last revised in March 2014.
TW427119

223050025/8

Druckfarbe: schwarz

GI Nitronal 50ml England - 22 305 00 25/8 - Code 4390 - 148 x 400 - 2K - 41259 - #16.995

3. HOW TO TAKE NITRONAL®
Dosage
Nitronal ® will be given to you in hospital.
Nitronal ® is always given slowly into the blood stream (intravenous administration).
The usual dose for adults and the elderly depends on the condition:
Heart failure: 10 to 100 micrograms per minute
Angina: Initially 10 to 15 micrograms per minute, increasing until the angina is
relieved
Lowering blood pressure during surgery: 25 to 200 micrograms per minute
If you take more Nitronal ® than you should
Overdose is highly unlikely, as Nitronal ® will be given to you in hospital, but you
might experience vomiting, restlessness, low blood pressure, fainting, a bluish
tinge to the skin, coldness of the skin, difficulty breathing, slow heart rate, psychosis or methaemoglobinaemia (a blood disorder), nausea, diarrhoea or weakness.
Your doctor would know how to treat you for overdose.
If you have any further questions on the use of this product, ask your doctor or
pharmacist.

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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.

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