CARBAMAZEPINE LEXON 100MG TABLETS
Active substance(s): CARBAMAZEPINE
Carbamazepine Lexon 100mg Tablets
Patient Information Leaflet
What you need to know about Carbamazepine Tablets
Your doctor has decided that you need this medicine to help treat your
* Do you have kidney problems associated with low sodium blood level
Please read this leaflet carefully before you start to take your medicine.
It contains important information. Keep the leaflet in a safe place
because you may want to read it again.
If you have any other questions, or if there is something you don’t
understand, please ask your doctor or pharmacist.
This medicine has been prescribed for you. Never give it to someone else.
It may not be the right medicine for them even if their symptoms seem to
be 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.
Your medicine is Carbamazepine Lexon 100mg Tablets but will be referred
to as Carbamazepine Tablets throughout this leaflet.
In this leaflet:
1 What Carbamazepine Tablets are and what they are used for
2 Things to consider before you start to take Carbamazepine Tablets
How to take Carbamazepine Tablets
4 Possible side effects
5 How to store Carbamazepine Tablets
6 Further information
What Carbamazepine Tablets are and what they are
Carbamazepine, the active ingredient in Carbamazepine Tablets, can affect
the body in several different ways. It is an anti-convulsant medicine
(prevents fits), it can also modify some types of pain and can control mood
Carbamazepine Tablets are used
* To treat some forms of epilepsy
* To treat a painful condition of the face called trigeminal neuralgia
* To help control serious mood disorders when some other medicines
Things to consider before you start to take
Some people MUST NOT take Carbamazepine Tablets.
Talk to your doctor if:
* you think you may be hypersensitive (allergic) to carbamazepine or similar
drugs such as oxcarbazepine (Trileptal), or to any of a related group of
drugs known as tricyclic antidepressants (such as amitriptyline or
imipramine). If you are allergic to carbamazepine there is a one in four
(25%) chance that you could also have an allergic reaction to
* you think you may be allergic to any of the other ingredients of
Carbamazepine Tablets (these are listed at the end of the leaflet).
Signs of a hypersensitivity reaction include swelling of the face or mouth
(angioedema), breathing problems, runny nose, skin rash, blistering or
* you have any heart problems,
* you have ever had problems with your bone marrow,
* you have a blood disorder called porphyria,
* you have taken drugs called monoamine oxidase inhibitors (MAOIs),
used to treat depression, within the last 14 days.
or do you have kidney problems and you are taking certain medicines
that lower sodium blood levels (diuretics such as hydrochlorothiazide,
Are you elderly?
Do you have any eye problems such as glaucoma (increased pressure
in the eye) or do you have difficulty retaining your urine?
Are you taking other medicines?
Because of the way that Carbamazepine Tablets works, it can affect, and be
affected by, lots of other things that you might be eating or medicines that
you are taking. It is very important to make sure that your doctor knows all
about what else you are taking, including anything that you have bought
from a chemist or health food shop. It may be necessary to change the dose
of some medicines, or stop taking something altogether.
Tell the doctor if you are taking:
* Hormone contraceptives, e.g. pills, patches, injections or implants.
Carbamazepine Tablets affects the way the contraceptive works in your
body, and you may get breakthrough bleeding or spotting. It may also
make the contraceptive less effective and there will be a risk of getting
pregnant. Your doctor will be able to advise you about this, and you should
think about using other contraceptives.
* Hormone Replacement Therapy (HRT). Carbamazepine Tablets can make
HRT less effective.
* Any medicines for depression or anxiety.
* Corticosteroids (‘steroids’). You might be taking these for inflammatory
conditions such as asthma, inflammatory bowel disease, muscle and
* Anticoagulants to stop your blood clotting.
* Antibiotics to treat infections including skin infections and TB (e.g.
* Antifungals to treat fungal infections.
* Painkillers containing paracetamol, dextropropoxyphene, tramadol,
methadone or buprenorphine.
* Other medicines to treat epilepsy.
* Medicines for high blood pressure or heart problems.
* Antihistamines (medicines to treat allergy such as hayfever, itch, etc).
* Diuretics (water tablets).
* Cimetidine or omeprazole (medicines to treat gastric ulcers).
* Isotretinoin (a medicine for the treatment of acne).
* Metoclopramide or aprepitant (anti-sickness medications).
* Acetazolamide (a medicine to treat glaucoma - increased pressure in
* Danazol or gestrinone (treatments for endometriosis).
* Theophylline or aminophylline (used in the treatment of asthma).
* Ciclosporin, tacrolimus or sirolimus (immunosuppressants, used after
transplant operations, but also sometimes in the treatment of arthritis
* Drugs to treat schizophrenia (e.g. paliperidone, aripiprazole).
* Cancer drugs (e.g. temsirolimus, cyclophasphamide, lapatinib).
* The anti-malarial drug, mefloquine.
* Drugs to treat HIV.
* Levothyroxine (used to treat hypothyroidism).
* Tadalafil (used to treat impotence).
* Albendazole (used to treat worms).
* Bupropion (used to help stop smoking).
* A herbal remedy called St John’s Wort or Hypericum.
* Drugs or supplements containing Vitamin B (nicotinamide).
Pregnancy and breastfeeding
You must discuss your epilepsy treatment with your doctor well before you
become pregnant. If you do get pregnant while you’re taking Carbamazepine
Tablets you must tell the doctor straightaway. It is important that your
epilepsy remains well controlled, but, as with other anti-epilepsy treatments,
there is a risk of harm to the foetus. Make sure you are very clear about the
risks and the benefits of taking Carbamazepine Tablets.
A small number of people being treated with anti-epileptics such as
carbamazepine have had thoughts of harming or killing themselves.
If at any time you have these thoughts, immediately contact your doctor.
Mothers taking Carbamazepine Tablets can breastfeed their babies, but you
must tell the doctor as soon as possible if you think that the baby is suffering
side effects such as excessive sleepiness, skin reaction or yellow skin and
eyes, dark urine or pale stools.
Serious skin rashes (Stevens-Johnson syndrome, toxic epidermal necrolysis)
have been reported with the use of carbamazepine. Frequently, the rash can
involve ulcers of the mouth, throat, nose, genitals and conjunctivitis (red and
swollen eyes). These serious skin rashes are often preceded by
influenza-like symptoms fever, headache, body ache (flu-like symptoms).
The rash may progress to widespread blistering and peeling of the skin. The
highest risk for occurrence of serious skin reactions is within the first months
Will there be any problems with driving or using machinery?
Carbamazepine Tablets can make you feel dizzy or drowsy, or may cause
blurred vision, double vision, or you may have a lack of muscular
coordination, especially at the start of treatment or when the dose is
changed. If you are affected in this way, or if your eyesight is affected, you
should not drive or operate machinery.
These serious skin reactions can be more common in people from some
Asian countries. The risk of these reactions in patients of Han Chinese or
Thai origin may be predicted by testing a blood sample of these patients.
Your doctor should be able to advise if a blood test is necessary before
Other special warnings
* Drinking alcohol may affect you more than usual. Discuss whether you
should stop drinking with your doctor.
* Eating grapefruit, or drinking grapefruit juice, may increase your chance of
experiencing side effects.
* Your doctor may want you to have a number of blood tests before you
start taking Carbamazepine Tablets and from time to time during your
treatment. This is quite usual and nothing to worry about.
If you develop a rash or these skin symptoms, stop taking carbamazepine
and contact your doctor immediately.
You should also ask yourself these questions before taking
Carbamazepine Tablets. If the answer to any of these questions is YES,
discuss your treatment with your doctor or pharmacist because
Carbamazepine Tablets might not be the right medicine for you.
* Are you pregnant or planning to become pregnant?
* Are you breastfeeding?
* Do you suffer from the sort of epilepsy where you get mixed seizures
which include absences?
* Do you have any mental illness?
* Are you allergic to an epilepsy medicine called phenytoin?
* Do you have liver problems?
How to take Carbamazepine Tablets
The doctor will tell you how many Carbamazepine Tablets to take and
when to take them. Always follow his/her instructions carefully. The
dose will be on the pharmacist’s label. Check the label carefully. It is
important to take the tablets at the right times. If you are not sure, ask
your doctor or pharmacist. Keep taking your tablets for as long as you
have been told, unless you have any problems. In that case, check with
Your doctor will usually start Carbamazepine Tablets at a fairly low dose
which can then be increased to suit you individually. The dose needed varies
Carbamazepine Lexon 100mg Tablets
Patient Information Leaflet (continued)
You can take Carbamazepine Tablets during, after or between meals.
Swallow the tablets with a drink. You are usually told to take a dose two or
three times a day. If necessary you may break the tablets in half along the
The following have also been reported, but the frequency cannot be
estimated from the available information:
To treat epilepsy the usual doses are:
Adults: 800-1,200 mg a day, although higher doses may be necessary.
If you are elderly you might require a lower dose.
Severe skin reactions, accompanied by feeling unwell and changes
in blood results. Diarrhoea, abdominal pain, and fever (signs of
inflammation of the colon), reactivation of herpes virus infection (can be
serious when immune system is depressed), complete loss of nails,
fracture, decrease in the measure of the bone density, drowsiness,
memory loss, purple or reddish-purple bumps that may be itchy.
Aged 5-10 years: 400-600 mg a day
Aged 10-15 years: 600-1,000 mg a day.
Carbamazepine Tablets are not recommended for children under 5.
Do not be alarmed by this list. Most people take Carbamazepine Tablets
without any problems.
To treat trigeminal neuralgia the usual dose is: 600-800 mg a day.
The maximum dose is 1200mg a day. If you are elderly you might require
a lower dose.
To treat mood swings the usual dose is: 400-600 mg a day
What if you forget to take a dose?
If you forget to take a dose, take one as soon as you remember.
If it is nearly time for your next dose, though, just take the next dose and
forget about the one you missed.
What if you take too many tablets?
If you accidentally take too many Carbamazepine Tablets, tell your doctor or
your nearest hospital casualty department. Take your medicine pack with
you so that people can see what you have taken.
If any of the symptoms become troublesome, or if you notice anything
else not mentioned here, please go and see your doctor. He/she may
want to give you a different medicine.
There have been reports of bone disorders including osteopenia and
osteoporosis (thinning of the bone) and fractures. Check with your doctor
or pharmacist if you are on long-term antiepileptic medication, have a
history of osteoporosis, or take steroids.
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 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.
Possible side effects
Carbamazepine Tablets do not usually cause problems, but like all
medicines, they can sometimes cause side effects.
Some side effects can be serious
Stop taking Carbamazepine Tablets and tell your doctor straight away if
* Serious skin reactions such as rash, red skin, blistering of the lips, eyes or
mouth, or skin peeling accompanied by fever. These reactions may be
more frequent in patients of Chinese or Thai origin
* Mouth ulcers or unexplained bruising or bleeding
* Sore throat or high temperature, or both
* Yellowing of your skin or the whites of your eyes
* Swollen ankles, feet or lower legs
* Any signs of nervous illness or confusion
* Pain in your joints and muscles, a rash across the bridge of the nose
and cheeks and problems with breathing (these may be the signs of a
rare reaction known as lupus erythematosus)
* Fever, skin rash, joint pain, and abnormalities in blood and liver function
tests (these may be the signs of a multi-organ sensitivity disorder)
* Bronchospasm with wheezing and coughing, difficulty in breathing, feeling
faint, rash, itching or facial swelling (these may be the signs of a severe
* Pain in the area near the stomach.
The side effects listed below have also been reported.
More than 1 in 10 people have experienced:
Leucopenia (a reduced number of the cells which fight infection making
it easier to catch infections); dizziness and tiredness; feeling unsteady or
finding it difficult to control movements; feeling or being sick; changes in
liver enzyme levels (usually without any symptoms); skin reactions which
may be severe.
How to store Carbamazepine Tablets
Keep out of the sight and reach of children.
Do not store above 25°C.
Store in the original package in order to protect from moisture.
Do not use this medicine after the expiry date which is stated on the carton
after EXP. The expiry date refers to the last day of that month.
If your medicine shows any signs of deterioration, consult your pharmacist
who will tell you what to do.
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.
What this medicine contains
Each tablet contains 100mg of the active ingredient carbamazepine.
The tablets also contain silicon dioxide, microcrystalline cellulose,
magnesium stearate and sodium carboxymetylcellulose.
What this medicine looks like and contents of the pack
Carbamazepine Tablets are white, round, flat, uncoated tablets with beveled
edges, impressed "GEIGY" on one side and "B/W" and score on the other
side.They come in blister packs of 28 and 30 tablets.
Manufacturer and Licence Holder
This medicine is manufactured by Novartis Pharma B.V., Raapopseweg 1,
6824 DP Arnhem, The Netherlands and is procured from within the EU and
repackaged by the Product Licence Holder: Lexon (UK) Limited, Unit 18,
Oxleasow Road, East Moons Moat, Redditch, Worcestershire, B98 0RE.
Up to 1 in 10 people have experienced:
Changes in the blood including an increased tendency to bruise or bleed;
fluid retention and swelling; weight increase; low sodium in the blood which
might result in confusion; headache; double or blurred vision; dry mouth.
Up to 1 in 100 people have reported:
Abnormal involuntary movements including tremor or tics; abnormal eye
movements; diarrhoea; constipation.
Up to 1 in 1,000 people have reported:
Disease of the lymph glands; folic acid deficiency; a generalised allergic
reaction including rash, joint pain, fever, problems with the kidneys and
other organs; hallucinations; depression; loss of appetite; restlessness;
aggression; agitation; confusion; speech disorders; numbness or tingling
in the hands and feet; muscle weakness; high blood pressure (which
may make you feel dizzy, with a flushed face, headache, fatigue and
nervousness); low blood pressure (the symptoms of which are feeling faint,
light headed, dizzy, confused, having blurred vision); changes to heart
beat; stomach pain; liver problems including jaundice; symptoms of lupus.
Up to 1 in 10,000 people have reported:
Changes to the composition of the blood including anaemia; porphyria;
meningitis; swelling of the breasts and discharge of milk which may occur
in both male and females; abnormal thyroid function tests; osteomalacia
(which may be noticed as pain on walking and bowing of the long bones
in the legs); osteoporosis; increased blood fat levels; taste disturbances;
conjunctivitis; glaucoma; cataracts; hearing disorders; heart and circulatory
problems including deep vein thrombosis (DVT), the symptoms of which
could include tenderness, pain, swelling, warmth, skin discoloration and
prominent superficial veins; lung or breathing problems; severe skin
reactions including Stevens-Johnson syndrome (These reactions may be
more frequent in patients of Chinese or Thai origin); sore mouth or tongue;
liver failure; increased sensitivity of the skin to sunlight; alterations in skin
pigmentation; acne; excessive sweating; hair loss; increased hair growth
on the body and face; muscle pain or spasm; sexual difficulties which may
include reduced male fertility, loss of libido or impotence; kidney failure;
blood spots in the urine; increased or decreased desire to pass urine or
difficulty in passing urine.
Carbamazepine Lexon 100mg Tablets
Revision date: 09/03/2017
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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.