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Diamorphine Hydrochloride Tablets 10mg
Diamorphine Hydrochloride
Read all of this leaflet carefully before you take
Diamorphine Hydrochloride Tablets.
• Keep this leaflet. You may need to read it again.
• If you have any further questions, please ask your doctor or
• This medicine has been prescribed for you personally. Do
not pass it onto others, it may harm them, even if their
symptoms are the same as yours.
• If any of the side effects become serious, or if you notice any
side effects not listed in this leaflet, please tell your doctor
or pharmacist.

In this leaflet:

What Diamorphine Hydrochloride Tablets are and what they
are used for
Before you take Diamorphine Hydrochloride Tablets
How to take Diamorphine Hydrochloride Tablets
Possible side effects
Storing Diamorphine Hydrochloride Tablets
Further information

1. What Diamorphine Hydrochloride Tablets are
and what they are used for
Diamorphine is an alkaloid with powerful pain relieving properties.
These tablets are used for the relief of severe pain.

2. Before you take Diamorphine Hydrochloride
You should not take Diamorphine Hydrochloride Tablets if
• are allergic (hypersensitive) to Diamorphine or any of the
ingredients of this medicine (listed in section 6 & Important
information about some of the ingredients, column 2).
• suffer from asthma, shallow breathing and other breathing
• are suffering from severe headaches or have suffered a head
• suffer from alcoholism
• are suffering from a problem that could cause paralysis of
the small intestine (paralytic ileus)
• are having an asthma attack
• have been told you are suffering from a condition
known as delayed gastric emptying, the symptoms of which
include heartburn, feeling sick or being sick and feeling full
quickly whilst eating
• suffer from a tumour of the adrenal gland known as
Take special care with Diamorphine Hydrochloride Tablets
Tell your doctor if:
• you have low blood pressure
• you have any liver problems
• you have any kidney problems
• you have any prostate problems
• you have an under active thyroid
• you suffer from a convulsive disorder (fits) such as epilepsy
• you are about to have an operation
• you are pregnant or breast-feeding
• you are suffering from severe diarrhoea
• you are suffering from mental health problems

• your breathing or heartbeat are unusually slow or you feel
unexpectedly sleepy or faint
• you have been told you suffer from a severe heart problem
known as cor pulmonale
• you are elderly or ill.
Taking other medicines:
Please tell your doctor if you are taking or have recently taken any
other medicines, including those obtained without prescription
Diamorphine Hydrochloride Tablets must not be used with drugs
used to treat severe depression, such as phenelzine or
moclobemide, or if you are within 2 weeks of discontinuing them.
These drugs are known as Monoamine Oxidase Inhibitors (MAOI’s).
Other medicines which may interact with Diamorphine Tablets
• medicines for sleeping problems and anxiety, such as chloral,
diazepam, and barbiturates
• mexiletine (a drug used to treat irregular heart rhythms)
• alcohol.
Pregnancy & breast-feeding:
Diamorphine Hydrochloride Tablets should not be used if you are
pregnant, trying for a baby or breast-feeding.
Effects on the ability to drive and use machinery:
This medicine can affect your ability to drive and operate
machinery. Do not drive or operate machinery if you feel drowsy
or cannot think clearly.
Important information about some of the ingredients:
This medicine contains sucrose and lactose. If you have been told
by your doctor that you have an intolerance to some sugars
(sucrose), contact your doctor before taking this medicinal

3. How to take Diamorphine Hydrochloride
Your doctor will decide on the dose and duration of your therapy.
Always follow the instructions of your doctor and pharmacist.
The tablets should be swallowed with water, and the dose
recommended should not be repeated more than every four hours.
This medicine is for oral use
Adults and children over 12 years:
Usual starting dose is 5-10mg (half a tablet to 1 whole tablet)
every 4 hours. This may be increased, on the instruction of your
doctor, if needed.
The elderly: Use with caution.
Children under 12 years: Not recommended.
If you forget to take Diamorphine Hydrochloride Tablets
If you have missed a dose take it as soon as you remember unless
it is nearly time for your next dose. Then continue your normal
dose times. Do not take a double dose.
If you take more Diamorphine Hydrochloride Tablets than
you should:
If you believe that you have taken, or been given, too many
tablets or if you feel dizzy, have trouble breathing or develop pin
point pupils consult your doctor or nurse immediately. If you
cannot do this go, but do not drive, to your nearest accident and
emergency unit taking the tablet bottle with you.


Continued overleaf

If you stop taking Diamorphine Hydrochloride Tablets
You should not stop taking Diamorphine Hydrochloride Tablet
until advised to do so by your doctor. If you stop treatment too
suddenly you may experience symptoms of withdrawal such as
stomach pains, feeling sick and feeling anxious. Your doctor will
advise you how to stop your treatment with Diamorphine
Hydrochloride Tablets.

4. Possible side effects

5. Storing Diamorphine Hydrochloride Tablets
Keep all medicines out of the reach and sight of children.
Do not take any tablets if the expiry date on the bottle has
passed, or if the tablets appear discoloured or show signs of
discolouration in any way. The expiry date refers to the last day
of that month. Keep container in the outer carton. Keep the
container tightly closed.
Do not store above 30°C

Repeated use of diamorphine can result in tolerance and
If any of the following symptoms occur contact your doctor or
nearest accident and emergency department immediately.
These are symptoms of a serious allergic reaction.
• sudden wheeziness and tightness of chest
• swelling of eyelids, face or lips
• skin lumps or hives
• skin rash (red spots), itchiness, fever
• collapse
If any of the following symptoms occur contact your doctor or
nearest accident and emergency department immediately.
These are symptoms of a heart attack.
• sudden chest pains
• shortness of breath
• sweating
• anxiety side
Other side effects that may occur include:
• hallucinations (seeing things that aren’t real)
• confusion
• changes in mood
• a feeling of being unwell
• headaches
• a feeling of dizziness or spinning
• sweating
• drowsiness
• reduced blood pressure (you may feel dizzy when rising from
a seated position)
• pin-point pupils
• an unusually fast or slow heartbeat
• palpitations (an irregular heart rhythm or missed beats)
• facial flushing
• constipation
• feeling sick (nausea)
• being sick (vomiting)
• dry mouth
• lower abdomen spasms
• rashes and itching
• breathing difficulties
• a reduced sex drive
• difficulty getting or maintaining an erection
• difficulty passing urine
• a feeling of being very cold
• loss of appetite
• changes in the way things taste
• fainting
• feeling weak

Protect from light
Medicines should not be disposed of via wastewater or
household waste. Ask your pharmacist how to dispose of
medicines no longer required. These measures will help to
protect the environment.

6. Further Information
What Diamorphine Hydrochloride Tablets contain:
Active ingredient: Diamorphine Hydrochloride 10mg per tablet
Other ingredients: sucrose, lactose and magnesium stearate
What Diamorphine Hydrochloride Tablets look like and the
contents of the pack:
Diamorphine Hydrochloride Tablets are white, uncoated tablets
with a single break line.
Diamorphine Hydrochloride Tablets 10mg are licensed to be
available in pack sizes of 100 tablets per amber glass bottle.
Marketing Authorisation Holder:
Aurum Pharmaceuticals Ltd
Bampton Road

Dales Pharmaceuticals Ltd
Snaygill Industrial Estate
Keighley Road
BD23 2RW

Product Licence No.: PL 12064/0001
Date of approval: xx/xxxx
Date of revision: August 2008

If any of the side effects become serious, or if you notice any
side effects not listed in this leaflet, please tell your doctor or



Like all medicines, Diamorphine Hydrochloride Tablets can cause
side effects but not everybody gets them.

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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.