Active substance: PHENYTOIN SODIUM

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1. What Epanutin Hard Capsules are and
what they are used for

Epanutin™ 100mg Capsules

Epanutin is one of a group of medicines called
anti-epileptic drugs; these medicines are used to
treat epilepsy.

(phenytoin sodium)
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.
The name of your medicine is Epanutin 100mg
Capsules but will be referred to as Epanutin or
Epanutin Hard Capsules throughout this leaflet.
In this leaflet:
1. What Epanutin Hard Capsules are and what
they are used for
2. Before you take Epanutin
3. How to take Epanutin
4. Possible side effects
5. How to store Epanutin
6. Further information

Epanutin can be used to control a variety of
epileptic conditions, to control or prevent seizures
during or after brain surgery or severe head injury.
Epanutin can also be used to treat trigeminal
neuralgia (facial nerve pain).
You should ask your doctor if you are unsure why
you have been given Epanutin Capsules.

2. Before you take Epanutin
Do not take Epanutin
if you are allergic (hypersensitive) to Phenytoin,
or any of the other ingredients of Epanutin

Take special care with Epanutin
Medicines are not always suitable for everyone.
Your doctor needs to know before you take
Epanutin if you suffer from or have suffered in the
past from any of the following conditions:
Liver disease.
Porphyria (an inherited disease that affects
haemoglobin biosynthesis).
A small number of people being treated with
antiepileptics such as phenytoin sodium have had
thoughts of harming or killing themselves. If at any
time you have these thoughts, immediately contact
your doctor.

Serious skin side effects can rarely occur during
treatment with Epanutin. This risk may be
associated with a variant in genes in a subject with
Chinese or Thai origin. If you are of such origin
and have been tested previously carrying this
genetic variant (HLA-B*1502), discuss this with
your doctor before taking Epanutin.

Taking other medicines
Some medicines can affect the way Epanutin
works, or Epanutin itself can reduce the
effectiveness of other medicines taken at the
same time.
These include:
Medicines used for heart and circulation
problems (dicoumarol, digitoxin, amiodarone,
furosemide, quinidine, reserpine, warfarin, and
calcium channel blockers e.g. diltiazem and
Medicines used for epilepsy (carbamazepine,
lamotrigine, phenobarbital, sodium valproate
and valproic acid, succinimides e.g.
ethosuximide and vigabatrin).
Medicines used to treat fungal infections (e.g.
amphotericin B, fluconazole, itraconazole,
ketoconazole and miconazole).
Medicines used for tuberculosis and other
infections (chloramphenicol, isoniazid,
rifampicin, sulphonamides, doxycycline,
ciprofloxacin and nelfinavir).
Medicines used for stomach ulcers
(omeprazole, sucralfate, the medicines known
as H2 antagonists e.g. cimetidine, ranitidine,
famotidine and some antacids).
Medicines used for asthma and bronchitis
Medicines used for pain and inflammation
(phenylbutazone, salicylates e.g.aspirin and

Medicines used for sleeplessness, depression
and psychiatric disorders (chlordiazepoxide,
clozapine, diazepam, disulfiram, fluoxetine,
methylphenidate, paroxetine, phenothiazines,
trazodone, tricyclic antidepressants,
fluvoxamine, sertraline and viloxazine).
Medicines used for diabetes (tolbutamide).
Some hormone replacement therapies
(oestrogens), oral contraceptives (the birth
control pill).
Medicines used for organ and tissue
transplants, to prevent rejection (ciclosporin).
Medicines used for cancer (antineoplastic
Muscle relaxants used for surgery
(neuromuscular blockers), some anaesthetic
drugs (halothane) and methadone
Some products available without a prescription
(folic acid, theophylline, vitamin D).
Your doctor may need to test the amount of
Phenytoin in your blood to help decide if any of
these medicines are affecting your treatment.
Please tell your doctor or pharmacist if you are
taking or have recently taken any other medicines,
including medicines obtained without a
The herbal preparation St John’s wort (Hypericum
perforatum) should not be taken at the same time
as this medicine. If you already take St John’s
wort, consult your doctor before stopping the St
John’s wort preparation.
Epanutin capsules may also interfere with certain
laboratory tests that you may be given.

Taking Epanutin with food and drink
Epanutin can be taken before or after food and
drinks. Drinking a lot of alcohol can also affect the
concentration of Phenytoin in your blood.

Pregnancy and Breast-feeding
If you think you might be pregnant, or are planning
to get pregnant, tell your doctor before you take
You should not take Epanutin if you are breastfeeding.
Ask your doctor or pharmacist for advice before
taking any medicine.

Driving and using machines
Epanutin may cause dizziness or drowsiness,
especially during the first few weeks of treatment.
If you experience these symptoms, do not drive or
use any tools or machinery.

3. How to take Epanutin
It is best to take Epanutin at the same time each
Swallow the capsules whole, with plenty of water.

The amount of Epanutin needed varies from one
person to another. Most adults need between
200mg and 500mg a day either as a single or
divided dose.
Occasionally higher doses are needed.

Infants and children usually start on a dose that
depends on their weight (5mg per day for every kg
they weigh) and is given as a divided dose, twice a
day. The dose is then adjusted up to a maximum
of 300mg a day.


Important information about some of the
ingredients of Epanutin

The dose of Epanutin for elderly patients who may
be taking other medicines may also need careful
consideration and adjustment by their doctor.

Epanutin contains lactose, a type of sugar. If you
have been told that you have an intolerance to
some sugars, contact your doctor before taking
this medicinal product.

Always take Epanutin exactly as your doctor has
told you. You should check with your doctor or
pharmacist if you are still not sure.

If you take more Epanutin than you should
Epanutin is dangerous in overdose. If you
accidentally take too much Epanutin contact your
doctor at once or go to the nearest hospital
casualty department.
Always take the labelled medicine package with
you, whether there is any Epanutin left or not.

If you forget to take Epanutin
If you forget to take a dose, take it as soon as you
remember unless it is time for your next dose. Do
not take a double dose to make up for a
missed dose.

If you stop taking Epanutin
Do not stop taking Epanutin unless your doctor
tells you to. If you suddenly stop taking this
medicine you may have a seizure. Should you
need to stop taking Epanutin, your doctor will have
decided which the best method is for you.
If you have any further questions on how to take
this Epanutin, ask your doctor or pharmacist.

4. Possible side effects
Like all medicines, Epanutin can cause side
effects, although not everybody gets them.
Tell your doctor immediately if you experience
any of the following symptoms after taking this
Although they are very rare, these symptoms can
be serious.
Sudden wheeziness, difficulty in breathing,
swelling of eyelids, face or lips, rash or itching
(especially affecting the whole body).
If you develop a severe skin rash that causes
blistering, (this can also affect the mouth and
tongue). These may be signs of a condition
known as Stevens Johnson Syndrome, or toxic
epidermal necrolysis (TEN). Your doctor will
stop your treatment in these cases.

If you notice bruising, fever, you are looking
pale or you have a severe sore throat. These
may be the first signs of an abnormality of the
blood, including decreases in the number of red
cells, white cells or platelets. Your doctor may
take regular blood samples to test for these
Skin rash and fever with swollen glands,
particularly in the first two months of treatment,
as these may be signs of a hypersensitivity
reaction. If these are severe and you also
experience pain and inflammation of the joints
this could be related to a condition called
systemic lupus erythematosus.
If you experience confusion or have a severe
mental illness, as this may be a sign that you
have high amounts of phenytoin in your blood.
On rare occasions, when the amount of
phenytoin in the blood remains high, irreversible
brain injury has occurred. Your doctor may test
your blood to see how much phenytoin is in the
blood and may change your dose.
Other side-effects that may occur are:
Effects on your nervous system: Unusual eye
movements, unsteadiness, difficulty in
controlling movements, shaking, abnormal or
uncoordinated movements, slurred speech,
confusion, pins and needles or numbness,
drowsiness, dizziness, vertigo, sleeplessness,
nervousness, twitching muscles, headaches,
and taste change.
Effects on your skin: skin rash including
measles- like reactions which are mild.
Effects on your stomach and intestines:
feeling sick, being sick and constipation.
Effects on your blood and lymph system:
swelling of the lymph glands.

Effects on your liver and kidney: inflammation
of the kidneys and liver, liver damage (seen as
yellowing of the skin and whites of the eye).

5. How to store Epanutin

Effects on your reproductive system and
breasts: changes in the shape of the penis,
painful erection.

Do not store above 25° C. Store in the original
package in order to protect from light.

Effects on your hands, face and body:
changes in the hands with difficulty in
straightening the fingers, changes in facial
features, enlarged lips or gums, increased or
abnormal body or facial hair.
Effects on medical tests: increased levels of
blood sugar, or decreased levels of blood
calcium, folic acid and vitamin D. If you also do
not get enough vitamin D in your diet or from
exposure to sunlight, you may suffer from bone
pain or fractures.
Effects on your respiratory system: problems
breathing, inflammation of the lining of the lung.
Effects on your immune system: problems
with the body’s defence against infection,
inflammation of the wall of the arteries.
Effects on your bones: There have been
reports of bone disorders including osteopenia
and osteoporosis (thinning of the bone) and
Check with your doctor or pharmacist if you are
on long-term antiepileptic medication, have a
history of osteoporosis, or take steroids.
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.

Manufactured by: Pfizer Manufacturing
Deutschland GMBH, Freiburg, Germany

Keep out of the reach and sight of children.

Do not use Epanutin after the expiry date which is
stamped on the pack. The expiry date refers to the
last day of that month.
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

6. Further information
What Epanutin contains
Each capsule contains 100mg of phenytoin
The other ingredients are lactose monohydrate,
magnesium stearate, and sodium dodecyl
sulphate. The gelatin capsule shells contain
erythrosine (E127), quinoline yellow (E104), and
titanium dioxide (E171) as colouring agents.
The printing ink contains shellac, black iron oxide
(E172) and propylene glycol.

What Epanutin looks like and contents of
the pack
Epanutin Capsules are hard gelatin capsules
containing a white powder with a white opaque
body and orange cap, radially printed ‘EPANUTIN
100’, contained in a white plastic container with a
white plastic cap which contains a desiccant. The
desiccant should not be eaten.
Each pack contains 100 capsules.

Procured from within the EU and
repackaged by the Product Licence holder:
B&S Healthcare, Unit 4, Bradfield Road, Ruislip,
Middlesex, HA4 0NU

Epanutin™ 100mg Capsules PL 18799/1526


Leaflet date: 11.04.2014
Epanutin is a registered Trademark of Pfizer

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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.