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Active substance(s): TOPIRAMATE

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Topamax® 200mg film-coated Tablets
This product is available using the above name but will be referred to as Topamax
throughout the following leaflet. Please note that the leaflet also contains
information about other strengths (Topamax 25mg, 50mg and 100mg film-coated
Read all of this leaflet carefully before you start taking this medicine
because it contains important information for you.

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 only. Do not pass it on to others. It
may harm them, even if their signs of illness are the same as yours.
• If you get any side effects, talk to your doctor or pharmacist. This includes any
possible side effects not listed in this leaflet. See section 4.
What is in this leaflet
1. What Topamax is and what it is used for
2. What you need to know before you take Topamax
3. How to take Topamax
4. Possible side effects
5. How to store Topamax
6. Contents of the pack and other information
1. What Topamax is and what it is used for
Topamax belongs to a group of medicines called “antiepileptic medicines.” It is
• alone to treat seizures in adults and children over age 6
• with other medicines to treat seizures in adults and children aged 2 years and above
• to prevent migraine headaches in adults

Other medicines you should discuss with your doctor or pharmacist include other
antiepileptic medicines, risperidone, lithium, hydrochlorothiazide, metformin,
pioglitazone, glyburide, amitriptyline, propranolol, diltiazem, venlafaxine,
flunarazine, St. John’s wort (Hypericum perforatum) (a herbal preparation used to
treat depression).
If you are not sure if any of the above applies to you, talk to your doctor or
pharmacist before using Topamax.
Topamax with food and drink
You can take Topamax with or without food.
Drink plenty of fluids during the day to prevent kidney stones while taking
Topamax. You should avoid drinking alcohol when taking Topamax.
Pregnancy and breast-feeding
If you are pregnant or breast-feeding, think you may be pregnant or are planning
to have a baby, ask your doctor for advice before taking this medicine.
Your doctor will discuss use of contraceptives with you, as well as discussing
whether Topamax is suitable for you. As with other anti-epileptic medicines, there
is a risk of harm to the unborn child if Topamax is used during pregnancy. Make
sure you are very clear about the risks and the benefits of using Topamax for
epilepsy during pregnancy.
You should not take Topamax for migraine prevention if you are pregnant or you
are able to become pregnant and you are not using effective contraception.
Mothers who breast-feed while taking Topamax must tell the doctor as soon as
possible if the baby experiences anything unusual.
Driving and using machines
Dizziness, tiredness and vision problems may occur during treatment with
Topamax. Do not drive or use any tools or machines without talking to your doctor
Topamax contains lactose
If you have been told by your doctor that you have an intolerance to some sugars,
contact your doctor before taking this medicinal product.

2. What you need to know before you take Topamax
3. How to take Topamax
Do not take Topamax
• if you are allergic to topiramate or any of the other ingredients of this medicine
(listed in section 6)
• for migraine prevention if you are pregnant, or you are able to become pregnant
but you are not using effective contraception (see section ‘pregnancy and
breast-feeding’ for further information)
If you are not sure if the above applies to you, talk to your doctor or pharmacist
before using Topamax.
Warnings and precautions
Talk to your doctor or pharmacist before taking Topamax if you:
• have kidney problems, especially kidney stones, or are getting kidney dialysis
• have a history of blood and body fluid abnormality (metabolic acidosis)
• have liver problems
• have eye problems, especially glaucoma
• have a growth problem
• are on a high fat diet (ketogenic diet)
• are pregnant or could become pregnant (see section ‘pregnancy and breastfeeding’ for further information)
If you are not sure if any of the above applies to you, talk to your doctor or
pharmacist before using Topamax.
It is important that you do not stop taking your medicine without first consulting
your doctor.
You should also talk to your doctor before taking any medicine containing
topiramate that is given to you as an alternative to Topamax.
You may lose weight if you use Topamax so your weight should be checked
regularly when using this medicine. If you are losing too much weight or a child
using this medicine is not gaining enough weight, you should consult your doctor.
A small number of people being treated with antiepileptic medicines such as
Topamax have had thoughts of harming or killing themselves. If at any time you
have these thoughts, immediately contact your doctor.
Other medicines and Topamax
Tell your doctor or pharmacist if you are taking, have recently taken or might take
any other medicines. Topamax and certain other medicines can affect each other.
Sometimes the dose of some of your other medicines or Topamax will have to be
Especially, tell your doctor or pharmacist if you are taking:
• other medicines that impair or decrease your thinking, concentration, or muscle
coordination (e.g., central nervous system depressant medicines such as
muscle relaxants and sedatives)
• birth control pills. Topamax may make your birth control pills less effective
Tell your doctor if your menstrual bleeding changes while you are taking birth
control pills and Topamax.
Keep a list of all the medicines you take. Show this list to your doctor and
pharmacist before you start a new medicine.

Always take this medicine exactly as your doctor has told you. Check with your
doctor or pharmacist if you are not sure.
• Your doctor will usually start you on a low dose of Topamax and slowly
increase your dose until the best dose is found for you
• Topamax tablets are to be swallowed whole. Avoid chewing the tablets as they
may leave a bitter taste
• Topamax can be taken before, during, or after a meal. Drink plenty of fluids
during the day to prevent kidney stones while taking Topamax
If you take more Topamax than you should
• See a doctor right away. Take the medicine pack with you
• You may feel sleepy, tired, or less alert; lack coordination; have difficulty speaking
or concentrating, have double or blurred vision; feel dizzy due to low blood
pressure; feel depressed or agitated; or have abdominal pain, or seizures (fits)
Overdose can happen if you are taking other medicines together with Topamax.
If you forget to take Topamax
• If you forget to take a dose, take it as soon as you remember it. However, if it is
almost time for your next dose, skip the missed dose and continue as usual. If
you miss two or more doses, contact your doctor
• Do not take a double dose (two doses at the same time) to make up for a
forgotten dose
If you stop taking Topamax
Do not stop taking this medicine unless told to do so by your doctor. Your
symptoms may return. If your doctor decides to stop this medication, your dose
may be decreased gradually over a few days.
If you have any further questions on the use of this product, ask your doctor or
4. Possible side effects
Like all medicines, this medicine can cause side effects, although not everybody
gets them.
Tell your doctor, or seek medical attention immediately if you have the
following side effects:
Very common (may affect more than 1 in 10 people)
• Depression (new or worse)
Common (may affect up to 1 in 10 people)
• Seizures (fits)
• Anxiety, irritability, changes in mood, confusion, disorientation
• Problems with concentration, slowness of thinking, loss of memory, problems
with memory (new onset, sudden change or increased severity)
• Kidney stone, frequent or painful urination
Uncommon (may affect up to 1 in 100 people)
• Increased acid level in the blood (may cause troubled breathing including
shortness of breath, loss of appetite, nausea, vomiting, excessive tiredness,
and fast or uneven heart beats)
• Decreased or loss of sweating (particularly in young children who are exposed
to high temperatures)
• Having thoughts of serious self-harm, trying to cause serious self-harm
• Loss of part of the field of vision

Rare (may affect up to 1 in 1,000 people)
• Glaucoma – blockage of fluid in eye causing increased pressure in the eye,
pain, or decreased vision
Other side effects include the following, if they get serious, please tell your
doctor or pharmacist:
Very common (may affect more than 1 in 10 people)
• Stuffy, runny nose or sore throat
• Tingling, pain and/or numbness of various body parts
• Sleepiness, tiredness
• Dizziness
• Nausea, diarrhoea
• Weight loss
Common (may affect up to 1 in 10 people)
• Anaemia (low blood count)
• Allergic reaction (such as skin rash, redness, itching, facial swelling, hives)
• Loss of appetite, decreased appetite
• Aggression, agitation, anger, abnormal behaviour
• Difficulty falling or staying asleep
• Problems with speech or speech disorder, slurred speech
• Clumsiness or lack of coordination, feeling of unsteadiness when walking
• Decreased ability to complete routine tasks
• Decreased, loss of, or no sense of taste
• Involuntary trembling or shaking; rapid, uncontrollable movements of the eyes
• Visual disturbance, such as double vision, blurred vision, decreased vision,
difficulty focusing
• Sensation of spinning (vertigo), ringing in the ears, ear pain
• Shortness of breath
• Cough
• Nose bleeds
• Fever, not feeling well, weakness
• Vomiting, constipation, abdominal pain or discomfort, indigestion, stomach or
intestinal infection
• Dry mouth
• Hair loss
• Itching
• Joint pain or swelling, muscle spasms or twitching, muscle aches or weakness,
chest pain
• Weight gain
Uncommon (may affect up to 1 in 100 people)
• Decrease in platelets (blood cells that help stop bleeding), decrease in white blood
cells that help to protect you against infection, decrease in potassium level in the
• Increase in liver enzymes, increase in eosinophils (a type of white blood cell) in
the blood
• Swollen glands in the neck, armpit, or groin
• Increased appetite
• Elevated mood
• Hearing, seeing, or feeling things that are not there, severe mental disorder
• Showing and/or feeling no emotion, unusual suspiciousness, panic attack
• Problems with reading, speech disorder, problems with handwriting
• Restlessness, hyperactivity
• Slowed thinking, decreased wakefulness or alertness
• Reduced or slow body movements, involuntary abnormal or repetitive muscle
• Fainting
• Abnormal sense of touch; impaired sense of touch
• Impaired, distorted, or no sense of smell
• Unusual feeling or sensation that may precede a migraine or a certain type of seizure
• Dry eye, sensitivity of the eyes to light, eyelid twitching, watery eyes
• Decreased or loss of hearing, loss of hearing in one ear
• Slow or irregular heartbeat, feeling your heart beating in your chest
• Low blood pressure, low blood pressure upon standing (consequently, some
people taking Topamax may feel faint, dizzy, or may pass out when they stand
up or sit up suddenly)
• Flushing, feeling warm
• Pancreatitis (inflammation of the pancreas)
• Excessive passing of gas or wind, heartburn, abdominal fullness or bloating
• Bleeding gums, increased saliva, drooling, breath odour
• Excessive intake of fluids, thirst
• Skin discolouration
• Muscle stiffness, pain in side
• Blood in urine, incontinence (lack of control) of urine, urgent desire to urinate,
flank or kidney pain
• Difficulty getting or keeping an erection, sexual dysfunction
• Flu-like symptoms
• Cold fingers and toes
• Feeling drunk
• Learning disability
Rare (may affect up to 1 in 1,000 people)
• Abnormally elevated mood
• Loss of consciousness
• Blindness in one eye, temporary blindness, night blindness
• Lazy eye
• Swelling in and around the eyes
• Numbness, tingling and colour change (white, blue then red) in fingers and toes
when exposed to the cold
• Inflammation of the liver, liver failure
• Stevens Johnson syndrome, a potentially life-threatening condition that may
present with sores in multiple mucosal sites (such as the mouth, nose, and
eyes), a skin rash, and blistering
• Abnormal skin odour
• Discomfort in your arms or legs
• Kidney disorder

Not known (frequency cannot be estimated from the available data)
• Maculopathy is a disease of the macula, the small spot in the retina where
vision is keenest. You should call your doctor if you notice a change or
decrease in your vision.
• Toxic epidermal necrosis, a life-threatening condition related to, yet more
severe than, Stevens-Johnson syndrome, characterized by widespread
blistering and sloughing of the outer layers of the skin (see rare side effects)
The side effects in children are generally similar to those seen in adults, but the
following side effects may be more common in children than adults:
• Problems with concentration
• Increased acid level in the blood
• Having thoughts of serious self-harm
• Tiredness
• Decreased or increased appetite
• Aggression, abnormal behaviour
• Difficulty falling or staying asleep
• Feeling of unsteadiness when walking
• Not feeling well
• Decrease in potassium level in the blood
• Showing and/or feeling no emotion
• Watery eyes
• Slow or irregular heartbeat
Other side effects that may occur in children are:
Common (may affect up to 1 in 10 people)
• Sensation of spinning (vertigo)
• Vomiting
• Fever
Uncommon (may affect up to 1 in 100 people)
• Increase in eosinophils (a type of white blood cell) in the blood
• Hyperactivity
• Feeling warm
• Learning disability
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 via the Yellow Card Scheme at:
By reporting side effects, you can help provide more information on the safety of
this medicine.
5. How to store Topamax

Keep out of the sight and reach of children
Do not store above 25°C. Store the tablets in the original package to protect
from moisture. Keep the bottle tightly closed to protect the tablets from
Do not use Topamax Tablets after the expiry date which is stated on the label.
The expiry date refers to the last day of that month
If your doctor tells you to stop taking the tablets, please take them back to the
pharmacist for safe disposal. Only keep the tablets if your doctor tells you to.
If the tablets become discoloured or show any other signs of deterioration, you
should seek the advice of your pharmacist.
Medicines should not be disposed of via wastewater or household waste.
These measures will help protect the environment. Return any leftover
Topamax Tablets to your pharmacist

6. Contents of the pack and other information
Your medicine is called Topamax Tablets. Each film-coated tablet contains 200mg
of topiramate.
Topamax Tablets also contain the following:
Lactose monohydrate, pregelatinised maize starch, microcrystalline cellulose,
sodium starch glycollate, magnesium stearate, titanium dioxide (E171), iron oxide
(E172), carnauba wax, hypromellose, macrogol and polysorbate 80.
The tablets are salmon coloured, round coated tablets marked ‘TOP’ on one side
and ‘200’ on the reverse.
Topamax Tablets are available in plastic bottles of 60 tablets.

PL: 15814/0325

This product is manufactured by Janssen Pharmaceutica N.V., Beerse, Belgium.
Procured from within the EU and repackaged by the Product Licence holder:
O.P.D. Laboratories Ltd., 6 Colonial Way, Watford, Herts, WD24 4PR.
Leaflet revision and issue date (Ref.) 29.06.2016.
Topamax is a registered Trade Mark of Johnson & Johnson, New Jersey, U.S.A.
To request a copy of this in Braille, large print or audio please call 01923 332 796.

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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.