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Active substance(s): GLYCERYL TRINITRATE

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Coro-Nitro Pump Spray
400 micrograms per metered dose
Glyceryl Trinitrate 400 micrograms per metered dose
Read all of this leaflet carefully before you start using 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 this leaflet. See
section 4.
What is in this leaflet
1. What Coro-Nitro is & what it is used for
2. What you need to know before you use Coro-Nitro
3. How to use Coro-Nitro
4. Possible side effects
5. How to store Coro-Nitro
6. Contents of the pack and other information
Your medicine is called Coro-Nitro Pump Spray. It will be referred to
throughout this leaflet as Coro-Nitro.
It is a sublingual (under the tongue) pump spray that contains the
active ingredient glyceryl trinitrate. Glyceryl trinitrate belongs to a
group of medicines called nitrates that relax the muscle walls of the
blood vessels and reduce the workload of the heart.
Coro-Nitro is used to treat angina at the onset of an attack. It is also
used for the prevention of angina, which can be brought on from
physical effort, emotional stress, and exposure to cold, etc.
Do not use Coro-Nitro
• If you are allergic to glyceryl trinitrate or any of the other
ingredients of this medicine (listed in section 6).
• If you have severe low blood pressure.
• If you have shock caused by low blood pressure.
• If you have severe anaemia.
• If you have constrictive pericarditis (a heart condition).
• If you have an extremely low heart rate.
• If you have glucose-6-phosphate-dehydrogenase deficiency (an
inherited enzyme deficiency, mainly affecting men).
• If you have a brain trauma or cerebral haemorrhage (brain or
head injury, including bleeding).
• If you have narrowing of the heart valves or arteries or angina
caused by a disease of the heart muscle.
• If you have circulatory collapse (a failure of blood circulation).
• If you have toxic pulmonary oedema (lung swelling/ fluid)
• If you have cardiogenic shock (a serious heart condition caused
by very low blood pressure, which may result in the following
symptoms: dizziness and lightheadedness, fast pulse rate, white
skin, sweating, restlessness or loss of consciousness).
Do not use if you are taking:
• riociguat to treat pulmonary hypertension
• sildenafil, tildenafil, vardenafil or other similar phosphodiesterase inhibitors used to treat male erectile dysfunction

Warnings and precautions
Talk to your doctor or pharmacist before using Coro-Nitro if any
of the following apply to you.
• Fluid around the heart (pericardial tamponade).
• Low filling pressures (e.g. acute myocardial infarction).
• Problems controlling your blood pressure.
• Any disease that increases pressure on the brain.
• Glaucoma (a condition in which the pressure in the eye may
be high).
• Liver or kidney problems.
• An underactive thyroid gland.
Please consult your doctor, even if these statements were
applicable to you at any time in the past. You may need to be
more closely supervised during treatment.
Continuous use warning
Continuous use of Coro-Nitro and other nitrates may reduce
effectiveness at relieving your symptoms, so high continuous
doses should be avoided.
Other medicines and Coro-Nitro
Tell your doctor or pharmacist if you are taking, have recently
taken or might take any other medicines.
Do not use Coro-Nitro if you are taking:
• Riociguat, used to treat pulmonary hypertension.
• Sildenafil, tildenafil, vardenafil or other similar phospho-diesterase
inhibitors used to treat male erectile dysfunction (impotence).
Talk to your doctor before using Coro-Nitro if you are taking
or have recently taken any of the following:
• Medicines to treat blood pressure or heart problems, such
as vasodilators, antihypertensives, betablockers and calcium
channel blockers.
• Tricyclic anti-depressants or neuroleptics, used to treat mental
health conditions.
• Diuretics (water tablets to increase amount of urine produced).
• Dihydroergotamine, used to treat migraine headaches.
• Heparin, a blood thinner used to prevent blood clots. Your
doctor will need to monitor you more closely.
• Organic nitrates (other acute angina treatments).
Coro-Nitro with alcohol
Be careful about drinking alcohol as this spray may affect you
more than usual. Both alcohol and Coro-Nitro may lower your
blood pressure and slow down your reactions.
Pregnancy and breast-feeding
If you are, or think you might be pregnant, ask your doctor for
advice before taking this medicine, Coro-Nitro should not be
used if you are breastfeeding.
Driving and using machines
Your reactions may slow down. Therefore you should avoid
driving and using machinery whilst using Coro-Nitro.
Coro-Nitro contains ethanol
This product contains small amounts of ethanol (alcohol), less
than 100mg per spray.

1. Coro-Nitro is not recommended for children.
2. Always use this medicine exactly as your doctor or pharmacist has
told you. Check with your doctor or pharmacist if you are not sure.
3. Learn how to use Coro-Nitro before the onset of an angina attack,
as you may need to use it in a hurry, or in the dark. Familiarise
yourself with the spray button, which has a finger rest to help you
direct the spray.
4. Keep a spare handy at all times as it can be difficult to tell how
many doses are left in the bottle.
5. Do not use Coro-Nitro if you are near a naked flame, e.g. a

Tongue blistering (may affect up to 1 in 100 people).
A severe fall in blood pressure on standing up.
Worsening of the original angina symptoms.
Failure of the blood circulation.
Transient hypoxaemia (deprived oxygen supply).
Patients with coronary heart disease may experience a restriction
in blood supply.
Continuous use may result in a tolerance to Coro-Nitro, reducing its
effectiveness. If symptoms are not relieved, medical advice should be
sought immediately.
Other known side effects are:
Very common
(may affect more than 1 in 10 people)

6. Before using the pump spray for the first time press the spray
button three times to fill the pumping chamber. If you have not
used the spray for a few days pump the spray 1 or 2 times
before use.
7. At the onset of an attack, or to prevent an imminent attack:
• Sit down.
• Hold the bottle upright and near your mouth.
• Hold your breath.
• Aim the spray under your tongue.
• Press down the button firmly, once only.
• Close your mouth immediately.
• Do not inhale the spray.
8. The usual dose is one or two sprays. No more than three doses
are recommended at any one time.
9. After using Coro-Nitro, rest for a while. When you stand up, rise
slowly, as you may feel faint.
If you use more Coro-Nitro than you should
Special treatment is not normally required.
Overdose symptoms are usually the same as the stated side effects.
Some people may experience a reaction similar to shock, with
nausea, weakness and sweating. If you feel faint sit down and raise
your legs. Contact your doctor if your symptoms do not improve.
Rarely a bluish colour to lips/fingers may occur (cyanosis or
methaemoglobinaemia). If this happens contact your doctor
Like all medicines, this medicine can cause side effects, although not
everyone gets them.
If you experience one of the following rare serious side effects
(may affect up to 1 in 1,000 people unless specified), stop taking
Coro-Nitro immediately and consult your doctor:
• An allergic skin reaction (with or without rash).

(may affect up to 1 in 10 people)

Vertigo (spinning sensation), dizziness,
nausea, facial flushing, weakness

(may affect up to 1 in 100 people)

Burning sensation, stinging sensation

(may affect up to 1 in 1,000 people)

Severe fall in blood pressure, heart
rhythm change

Very rare
(may affect up to 1 in 10,000 people)

Flaking or peeling skin

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 Yellow Card Scheme Website: www.
By reporting side effects you can help provide more information on the
safety of this medicine.
• Keep this medicine out of the sight and reach of children.
• Do not use this medicine after the expiry date which is stated on
the carton and the bottle label after EXP. The expiry date refers to
the last day of that month.
• Do not store above 25°C. Do not refrigerate or freeze.
• 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.
What Coro-Nitro contains
• The active ingredient is glyceryl trinitrate. Each spray of Coro-Nitro
contains 400 micrograms of glyceryl trinitrate.
• The other ingredients are ethanol and medium chain triglyceride.
What Coro-Nitro looks like & contents of the pack
• Coro-Nitro is a colourless spray presented in a labelled bottle fitted
with a metered dose pump and spray nozzle, and a cap.
• Each bottle contains enough product for 200 sprays.
Marketing Authorisation Holder and Manufacturer
MA 16431/0021
Marketing Authorisation Holder: Ayrton Saunders Ltd., 9 Arkwright
Road, Astmoor Industrial Estate, Runcorn, Cheshire, WA7 1NU, UK.
Manufacturer: Pharmasol Limited, North Way, Andover, SP10 5AZ, UK.
For information in large print, audio CD or braille please contact the
Marketing Authorisation Holder.
This leaflet was last revised in April 2017
® Registered Trademark Ayrton Saunders Ltd.

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Further information

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