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Active substance(s): CIMETIDINE

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200 mg Tablets

4. Possible side effects




Read all of this leaflet carefully before you start using this medicine.
Keep this leaflet. You may need to read it again.
If you have any further questions, ask your doctor or pharmacist.
Pharmacode 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 get serious, or if you notice any side effects not listed in this leaflet, please tell your doctor or
In this leaflet:
1. What this medicine is and what it is used for
2. Before you take
3. How to take
4. Possible side effects
5. How to store
6. Further information

suppress the immune system (e.g. ciclosporin, tacrolimus)
treat HIV/AIDS (e.g. atazanavir)
treat tumours or cancer (e.g. carmustine, fluorouracil,
epirubicin), or if you are having radiation therapy.
Pregnancy and breast-feeding
DO NOT take Cimetidine if you are pregnant, planning to
become pregnant or breast-feeding unless advised to by your
Ask your doctor for advice before taking any medicine.

1. What this medicine is and what
it is used for
Cimetidine tablets contain cimetidine which is a histamine H2
antagonist. It helps to reduce the natural production of acid in
the stomach.
They are used to treat and relieve:
the symptoms of peptic ulcers which occur in the stomach or
intestine (gut)
oesophageal reflux disease which can be caused when food
and acid from the stomach washes back into the food pipe
(oesophagus). This can cause a burning feeling in the chest
known as heartburn
a rare condition called Zollinger-Ellison syndrome when the
stomach produces very large amounts of acid.
This medicine may also be prescribed for a range of other
medical conditions where a reduction of acid production in the
stomach is needed, or to protect your stomach from other
medicines (such as non-steroidal anti-inflammatories).

2. Before you take
Do NOT take Cimetidine tablets if you:
are allergic to cimetidine or to any of the other ingredients
(see Section 6).
If this applies to you, speak to your doctor or pharmacist.
Take special care with Cimetidine tablets
Before taking the tablets, tell your doctor if you:
have a kidney problem
have a blood disease
have had a peptic ulcer and are also taking a non-steroidal
anti-inflammatory drug (NSAID), (e.g. ibuprofen)
are pregnant or planning a pregnancy
are breast-feeding.
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, and herbal preparations.
Some medicines may be affected by Cimetidine or they may
affect how well Cimetidine will work. Tell your doctor or
pharmacist if you are taking medicines which:
control epilepsy (e.g. phenytoin). Your doctor will monitor
thin the blood (e.g. warfarin). Your doctor will monitor you
treat breathing problems (e.g. theophylline)
may cause your blood cell count to change (e.g. antibiotics)
treat fungal (yeast) infections (e.g. ketoconazole,
itraconazole, posaconazole)
treat diabetes (e.g. glipizide, metformin)
treat anxiety (e.g.diazepam)
treat depression, called tricyclic antidepressants (e.g.
lower blood pressure or treat heart conditions (e.g.
metoprolol, propranolol, nifedipine, diltiazem, procainamide)
numb the body such as anaesthetics used in hospital (e.g.
are strong pain relievers (e.g.morphine)


Driving and using machines
Cimetidine tablets are unlikely to affect your ability to operate
machinery or to drive.
Important information about some of the ingredients of
Cimetidine tablets
The sodium content per tablet is:
200 mg tablet - 500 micrograms
This should be taken into consideration by patients on a
controlled sodium diet.

3. How to take
Always take Cimetidine tablets exactly as your doctor has told
you and always read the label. Your doctor will decide on the
appropriate dose to suit your condition. Ask your doctor or
pharmacist if you are not sure.
Swallow the tablets whole with a drink of water. Take the
tablets with meals or at bedtime as advised by your doctor.
Adults and the elderly: the usual dose is 400 mg twice a day
with breakfast, and at bedtime.
Your doctor will tell you the correct dose depending on your
The maximum dose is 2400 mg a day.
Children: your doctor will decide on the dose according to
your child's body weight.
The usual length of treatment is at least four weeks though this
may be longer in some conditions. Your doctor will advise you.
If you take more than you should
1. Tell your doctor, pharmacist or nearest hospital casualty
department immediately.
2. Take the container and any remaining tablets with you so
that people can see what you have taken.
3. Do this even if you feel well.

5. How to store

Like all medicines, Cimetidine tablets can cause side effects,
although not everybody gets them. Do not be alarmed by this
list of possible side effects. You may not experience any of them.

STOP taking the tablets and seek medical help immediately if
you have any of the following allergic reactions:
difficulty breathing or swallowing, swelling of the face, lips,
tongue or throat
severe itching of the skin, with a red rash or raised lumps.
Seek immediate medical attention if you have any of the
following symptoms:
unusual bleeding or bruising; or fever, sore throat, mouth
ulcers, repeated infections or infections that will not go away.
This may be due to changes in your blood
red spots on the skin which may be painful to touch, joint
pain, swollen lymph glands
yellowing of your skin or eyes, pale faeces and dark urine,
unexplained persistent nausea, stomach problems, loss of
appetite or unusual tiredness. This may be due to liver
confusion, hallucinations, depression
in men: enlarged breasts, trouble getting or keeping an
unexpected secretion of breast milk in men or women
pain behind the ribs radiating towards the back, often worse
when lying down, nausea, vomiting, fever. This may be due
to inflammation of the pancreas
unusually slow or fast heartbeat, irregular heartbeat and
fever, rash, nausea, aches and pains, change in colour of
urine, passing more or less urine than usual or passing urine
at night. These problems may indicate kidney changes
aching or weak muscles, or aching joints.
Tell your doctor if you get any of the following side effects:
mild skin rash
hair loss.
Side effects with Cimetidine tablets are usually mild and do not
last long.
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 (see details
below). By reporting side effects you can help provide more
information on the safety of this medicine.
Yellow Card Scheme


If you forget to take
If you forget to take a dose take it as soon as you remember, but
if it is almost time for your next dose, skip the missed dose and
continue as usual.
Do not use a double dose to make up for a missed dose.
If you stop taking
If you stop your treatment too soon, your symptoms may come
You may feel better after a few days, but you should keep taking
your medicine until the prescribed course is finished.
If you have any further questions on the use of this product, ask
your doctor or pharmacist.

Continued over page


Keep out of the reach and sight of children.
Do not take after the expiry date which is stated on the blisters
and on the carton. The expiry date refers to the last day of
that month.
Do not store above 25ºC. Store in the original package.
Do not throw it away with your household waste or in water.
Return all the unwanted medicine to your pharmacist. This will
help to protect the environment.

6. Further information
What Cimetidine Tablets contain
The active ingredient is cimetidine (200 mg).
The other ingredients are:
microcrystalline cellulose, povidone K30, sodium starch
glycollate, sodium laurilsulfate, colloidal anhydrous silica,
magnesium stearate, macrogol 400, hypromellose, and the
colours titanium dioxide, quinoline yellow aluminium lake,
indigo carmine aluminium lake and iron oxide yellow.
(See end of Section 2 for further information on sodium).
What Cimetidine Tablets look like and contents of the pack
Cimetidine 200 mg Tablets are pale green, round, film-coated
tablets, marked with 'Cimetidine' on one side and '200' on the
reverse. They are available in packs of 60, 100, 112, 120, 250,
500 or 1000.*
*Not all pack sizes may be marketed.
Marketing Authorisation Holder
Essential Generics, 7 Egham Business Village, Crabtree Road,
Egham, Surrey TW20 8RB.
Dales Pharmaceuticals Ltd, Snaygill Industrial Estate, Keighley
Road, Skipton, North Yorkshire, BD23 2RW.
This leaflet was last revised in

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.