contains the active ingredient Lamotrigine
Consumer Medicine Information
NOTICE: This Consumer Medicine Information (CMI) is intended for persons
living in Australia. This page contains answers to some common
. It does
not contain all the information that is known about
. It does not take the
place of talking to your doctor or pharmacist. All medicines have risks
and benefits. Your doctor has weighed the risk of you using this medicine
against the benefits he/she expects it will have for you. If you have
any concerns about using this medicine, ask your doctor or pharmacist.
Bookmark or print this page, you may need to read it again.
What this medicine is used for
The name of your medicine is APO-Lamotrigine. It contains the active ingredient lamotrigine.
Lamotrigine belongs to a group of medicines called "anti-epileptic drugs".
It is used to treat epilepsy in adults and children aged 2 years and over.
Usually lamotrigine is used in addition to other medicines for the treatment of epilepsy. Lamotrigine is used in partial seizures
(seizures that affect only one part of the brain) or generalised seizures (seizures that affect the whole brain), including
Lennox-Gastaut Syndrome (a severe form of epilepsy characterised by several seizure types).
Ask your doctor if you have any questions about why this medicine has been prescribed for you. Your doctor may have prescribed
this medicine for another reason.
This medicine is available only with a doctor's prescription.
There is no evidence that this medicine is addictive.
Use in children
This medicine may be used to treat epilepsy in children 2 years of age and over.
Before you take this medicine
When you must not take it
Do not take this medicine if:
You are hypersensitive to, or have had an allergic reaction to, lamotrigine or any of the ingredients listed at the end of
Symptoms of an allergic reaction may include: cough, shortness of breath, wheezing or difficulty breathing; swelling of the
face, lips, tongue, throat or other parts of the body; rash, itching or hives on the skin; fainting; or hay fever-like symptoms.
If you think you are having an allergic reaction, do not take any more of the medicine and contact your doctor immediately
or go to the Accident and Emergency department at the nearest hospital.
It has passed the expiry date (EXP) printed on the pack.
The packaging is torn, shows signs of tampering or it does not look quite right.
Before you start to take it
Tell your doctor if:
1. You have allergies to:
any other medicines
any other substances, such as foods, preservatives or dyes.
2. You have or have had any medical conditions, especially the following:
history of allergy or rash to other antiepileptic drugs.
you have ever developed meningitis after taking lamotrigine.
3. You are currently pregnant or you plan to become pregnant. Do not take this medicine whilst pregnant until you and your doctor
have discussed the risks and benefits involved.
It is recommended that women on antiepileptic drugs, including lamotrigine receive pre-pregnancy counselling regarding the
risk to their unborn child.
Studies have shown that lamotrigine can decrease the levels of folic acid during pregnancy. It is therefore recommended that
you take a folate supplement before becoming pregnant and during the first 12 weeks of your pregnancy.
4. You are currently breastfeeding or you plan to breast-feed. Do not take this medicine whilst breastfeeding until you and your
doctor have discussed the risks and benefits involved.
5. You are planning to have surgery or an anaesthetic.
6. You are currently receiving or are planning to receive dental treatment.
7. You are taking or are planning to take any other medicines, This includes vitamins and supplements that are available from
your pharmacy, supermarket or health food shop.
Some medicines may interact with lamotrigine. These include:
sodium valproate ("Epilim", "Valpro"), used to treat epilepsy
other anti-epileptic drugs including carbamazepine, phenobarbitone and primidone
any form of hormonal contraception (e.g. "the pill") or HRT
rifampicin, which is often used to treat infections including tuberculosis
a combination of lopinavir and ritonavir, which is used to treat Human Immunodeficiency Virus (HIV) infection.
risperidone, which is used to treat schizophrenia and bipolar disorder. You may be more likely to feel sleepy or drowsy if
you take risperidone and lamotrigine together.
If you are taking any of these medicines you may need a different dose or you may need to take different medicines.
Other medicines not listed above may also interact with lamotrigine.
How to take this medicine
Follow carefully all directions given to you by your doctor. Their instructions may be different to the information in this
How much to take
Your doctor will tell you how much of this medicine you should take. This will depend on your condition and whether you are
taking any other medicines.
Do not stop taking your medicine or change your dosage without first checking with your doctor.
Usually your doctor will prescribe a low dose to start and gradually increase the dose during the first few weeks of treatment.
The dose that your doctor prescribes will often depend on other anti-epileptic medications you are taking and your response
If you start or stop taking hormonal contraceptives (e.g. "the pill") while taking lamotrigine, your doctor may need to adjust
the dose of lamotrigine depending on how well your condition is being treated.
You should tell your doctor if there are any changes in your menstrual pattern, such as breakthrough bleeding.
If you become pregnant your doctor may need to change your dose of lamotrigine or switch you to a different medicine.
Use in children
The dosage for children usually depends on their weight. Children's weight should be checked and the dose reviewed as weight
How to take it
The tablets may be swallowed whole, chewed or dispersed in a glass of water (at least enough water to dissolve the whole tablet).
When to take it
Take this medicine at the same time each day. Taking your medicine at the same time each day will have the best effect and
it will also help you remember when to take it.
How long to take it for
Continue taking your medicine for as long as your doctor tells you to.
Make sure you have enough to last over weekends and holidays.
Do not stop taking your tablets or change the dose without first checking with your doctor.
If you forget to take it
Contact your doctor immediately if you have forgotten to take your dose of lamotrigine. Do not take a double dose to make
up for the dose that you missed.
If you have trouble remembering to take your medicine, ask your pharmacist for some hints to help you remember.
If you take too much (Overdose)
If you think that you or anyone else may have taken too much of this medicine, immediately telephone your doctor or the Poisons
Information Centre (Tel: 13 11 26 in Australia) for advice. Alternatively go to the Accident and Emergency Department at your
Do this even if there are no signs of discomfort or poisoning. You may need urgent medical attention.
If you take too much you may be more likely to have serious side effects which may be fatal.
Symptoms of overdose can include rapid, uncontrollable eye movements, clumsiness and lack of coordination affecting your balance,
impaired or loss of consciousness, fits or coma.
While you are taking this medicine
Your doctor will tell you if there are any special instructions while you are taking lamotrigine tablets.
Things you must do
If you develop any skin rash (e.g. hives or spots) while being treated with lamotrigine, contact your doctor immediately.
There have been reports of skin rash associated with lamotrigine treatment. Skin rash can potentially be serious and cause
Tell your doctor that you are taking this medicine if:
you are about to be started on any new medicine
Lamotrigine may interfere with some laboratory tests to detect other drugs. If you require a laboratory test, tell your doctor
or hospital that you are taking lamotrigine.
you are pregnant or are planning to become pregnant.
There may be an increased risk of babies developing a cleft lip or cleft palate if lamotrigine is taken during the first few
months of pregnancy.
you are breastfeeding or are planning to breastfeed.
Lamotrigine passes into breast milk and may affect your baby.
you are about to have any blood tests.
you are going to have surgery or an anaesthetic or are going into hospital.
Your doctor may occasionally do tests to make sure the medicine is working and to prevent side effects. Go to your doctor
regularly for a check-up.
Things you must not do
Give this medicine to anyone else, even if their symptoms seem similar to yours
Take your medicine to treat any other condition unless your doctor tells you to
Stop taking your medicine, or change the dosage, without first checking with your doctor.
Take any other prescription or non-prescription medicines without first telling your doctor.
Do not stop taking lamotrigine or change the dose because you are feeling better.
If you stop taking lamotrigine tablets abruptly your epilepsy may worsen or come back. This is known as "rebound seizures".
Your doctor will advise you if you need to stop taking lamotrigine and, if so, how to do this safely. If you are unsure whether
you should stop taking lamotrigine talk to your doctor.
Things to be careful of
Be careful driving or operating machinery until you know how lamotrigine affects you.
Lamotrigine may cause dizziness and drowsiness, and affect alertness in some people.
Make sure you know how lamotrigine affects you before you drive a car, operate machinery, or do anything else that could be
dangerous if you are dizzy or light-headed. If this occurs do not drive. If you drink alcohol, your dizziness or light-headedness
may be worse. If any of these effects do not go away or are troublesome you should see your doctor.
Children should not ride a bike, climb trees or do anything else that could be dangerous if they are feeling dizzy or sleepy.
Possible side effects
Tell your doctor as soon as possible if you do not feel well while you are taking lamotrigine or if you have any questions
Do not be alarmed by the following lists of side effects. You may not experience any of them. All medicines can have side
effects. Sometimes they are serious but most of the time they are not.
Tell your doctor or pharmacist if you notice any of the following.
This list includes the more common side effects. Mostly, these are mild:
feeling sick ( nausea)
loss of memory
increased activity in children
joint or back pain
Other reported side effects include:
tiredness or feeling sleepy
movement problems such as tics,
unsteadiness and jerkiness
Some people may have changes in their blood count, which may make them feel tired, short of breath and more susceptible to
infections. They may also bleed or bruise very easily or have mouth ulcers or a sore throat.
In general these side effects usually happen only during the first few weeks of treatment with Lamotrigine. If any of these
side effects persist, or are troublesome, see your doctor.
Anti-epileptic medicines are used to treat several conditions, including epilepsy and bipolar disorder. Information from a
large number of studies in patients being treated with anti-epileptic medicines such as lamotrigine has shown a small number
of reports of suicidal behaviour (including suicidal thoughts and suicide attempts).
Tell your doctor immediately if you experience any of the following:
Tell your Doctor immediately or go to the Accident and Emergency department of your nearest hospital if you have any thoughts
of harming yourself or committing suicide.
Tell your doctor immediately if
you notice any of the following:
any skin reactions (e.g. rash or 'hives')
swelling of the face, lips or tongue
sore mouth or sore eyes
high temperature (fever)
easy bruising or unusual bleeding
yellow skin (jaundice).
If you are taking Lamotrigine for epilepsy, rarely, you may start to experience more seizures than usual. Tell your doctor
as soon as possible if your seizures get worse or if you have a new type of seizure.
These are all very serious side effects and you may need urgent medical attention or hospitalisation.
Serious side effects are rare.
Another rare side effect is "Lupus-like reactions" which can cause symptoms such as fever, pain in the joints and general
A very rare side effect is meningitis which may present as a group of symptoms consisting of fever, nausea, vomiting, headache,
stiff neck and extreme sensitivity to bright light. This may be caused by an inflammation of the membranes that cover the
brain and spinal cord.
Tell your doctor if you are female and your menstrual periods change.
This is not a complete list of all possible side-effects. Others may occur in some people and there may be some side-effects
not yet known.
If you think you are having an allergic reaction to lamotrigine, tell your doctor immediately or go to the Accident and Emergency
department at your nearest hospital.
Symptoms of an allergic reaction may include some or all of the following:
cough, shortness of breath, wheezing or difficulty breathing.
swelling of the face, lips, tongue, or other parts of the body
rash, itching or hives on the skin
Storage and disposal
Keep your medicine in its original packaging until it is time to take it.
If you take your medicine out of its original packaging it may not keep well.
Keep your medicine in a cool dry place where the temperature will stay below 25°C.
Do not store your medicine, or any other medicine, in the bathroom or near a sink. Do not leave it on a window sill or in
the car. Heat and dampness can destroy some medicines.
Keep this medicine where children cannot reach it.
A locked cupboard at least one-and-a-half metres above the ground is a good place to store medicines.
If your doctor or pharmacist tells you to stop taking this medicine or it has passed its expiry date, your pharmacist can
dispose of the remaining medicine safely.
What APO-Lamotrigine looks like
APO-Lamotrigine 25 mg:
White to off-white, uncoated, circular flat bevelled tablets debossed with "LI2" on one side, plain on the other side having
a characteristic fruity odour.
APO-Lamotrigine 50 mg:
White to off-white, uncoated, circular flat bevelled tablets debossed with "LI3" on one side, plain on the other side having
a characteristic fruity odour.
APO-Lamotrigine 100 mg:
White to off-white, uncoated, circular flat bevelled tablets debossed with "LI4" on one side, plain on the other side having
a characteristic fruity odour.
APO-Lamotrigine 200 mg:
White to off-white, uncoated, circular flat bevelled tablets debossed with "LI5" on one side, plain on the other side having
a characteristic fruity odour.
APO-Lamotrigine tablets are available in blister packs of 56 tablets.
Each tablet contains lamotrigine as the active ingredient.
It also contains the following inactive ingredients:
colloidal anhydrous silica
mixed berries 501161 AP0551.
This medicine is gluten-free, lactose-free, tartrazine-free and free of other azo dyes.
Australian Registration Numbers
APO-Lamotrigine 25 mg
(blister pack): AUST R 167520.
APO-Lamotrigine 50 mg
(blister pack): AUST R 167521.
APO-Lamotrigine 100 mg
(blister pack): AUST R 167523.
APO- Lamotrigine 200 mg
(blister pack): AUST R 167524.
Apotex Pty Ltd
16 Giffnock Avenue
Macquarie Park NSW 2113
Apotex Pty Ltd is the licensee of the registered trademarks APO and APOTEX from the registered proprietor, Apotex Inc.
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