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Topamac - 100mg  

Topamac - 100mg



Topamac is prescribed to people who suffer from migraine headaches and to reduce or prevent seizures. It may be prescribed in combination with another anti-seizure medication or by itself. Topamac contains the active ingredient topiramate. Topiramate can also be prescribed for other medical conditions.

Topamac is manufactures in India by Johnson & Johnson. It is available 100 mg tablets and is sold in varying pack sizes. The US name brand is Topamax.


Prescribed for the control of seizures, Topamac is an anticonvulsant medication prescribed for adults and children who are older than 2 years of age or older. Topamac is also prescribed for the prevention of migraine headaches.

Topiramate prevents or reduces the number of seizures experience by reducing abnormal electrical signals in the brain. When used for migraines, topiramate calms the nerve cells in the brain to prevent the headaches.

Warnings and Precautions

When using Topamac it is important for you to follow all of your doctor's instruction. Do not exceed the dosage prescribed and take the medication for the entire time prescribed by your doctor. You may experience symptom relief before the prescription is complete, continue taking the medication anyway.

Read the patient medication leaflet enclosed with this medication for use and safety information.
Before taking Topamac tell your doctor if you are allergic to it or any of its ingredients or any other anticonvulsant medications. Also tell your doctor if you have kidney disease, glaucoma, osteoporosis, asthma, depression, suicidal thoughts, liver disease or metabolic acidosis. Tell your doctor if you experience mood changes, agitation, or hostility. Get immediate medical attention if you have vision changes or pain behind or around the eyes, as these may be early symptoms of permanent damage to your visions.

While taking Topamac, oral contraceptives may lose effectiveness. Use an alternative form of birth control while taking Topamac.
Topiramate is categorized as a pregnancy category D medication. Topiramate is known to cause birth defects in unborn babies such cleft lip or palate. Immediately inform your doctor if you become pregnant while taking Topamac. Do not breast feed if you are taking Topamac, topiramate can pass through breast milk to a nursing baby and may cause harm.

Avoid activities that require clear vision or quick thinking while taking Topamac until you know how it affects you.
Topiramate may increase the chance of developing kidney stones, especially for children following a ketogenic diet.

Drink plenty of water while taking Topamac. This will help to reduce the chance of dehydration, electrolyte imbalance, and the formation of kidney stones.
If you forget to take Topamac take it as soon as you remember if it is less than six hours since the missed dose. If it is close to the time for the next dose, wait and take that dose. Do not take an extra dose to make up for a missed one.

Get immediate medical attention if you accidentally take an overdose of Topamac. Symptoms of an overdose include:

  • Agitation 
  • Blurred vision
  • Chest pain
  • Depression,
  • Drowsiness
  • Fainting
  • Giddiness
  • Seizures
  • Shortness of breath
  • Stomach pain

Topamac should be stored in a cool dry location out of the reach of children and pets.

Drug Interactions

As with most medications, there is a chance of experiencing a drug interaction when taking Topamac. Discuss with your doctor what medications you are taking to avoid a drug interaction; this includes prescriptions and over-the-counter medications, vitamins, and herbal remedies. Never start a new medication without approval from your doctor.

Types of medications that are likely to interact with topiramate causing excessive drowsiness include muscle relaxants, sedatives, narcotic pain medications, allergy medications, sleeping pills, and anti-depressants. Tell your doctor if you take any type of these medications before taking Topamac.

Do not take Topamac with any of the following medications without your doctor's approval:

  • Acetazolamide
  • Anti-seizure drugs
  • Atropine
  • Belladonna
  • Benztropine
  • Carbamazepine
  • Darifenacin
  • Hydrochlorothiazide
  • Ipratropium
  • Lithium
  • Metformin
  • Phenytoin
  • Solifenacin
  • Valproic acid

Your doctor or pharmacist can provide a complete list of drugs and medications that should be avoided while using Topamac.

How to use

The dosage of Topamac is based on factors such as age, gender, medical condition, and other medications you take. Use Topamac as prescribed by your doctor. You should not stop taking it or change the dosage without your doctor's approval. Take medication for the entire time prescribed by your doctor even if your symptoms have subsided or have disappeared.

Topamac whole tablets should be taken with a full glass of water, with or without food at the same time each day to maintain an even level of medication in your system. Do not break, chew, or crush the tablets.
Topamac is usually taken twice a day however your dosage may be different depending on factors unique only to you.

Drink plenty of water while taking Topamac. This will help to reduce the chance of dehydration, electrolyte imbalance, and the formation of kidney stones.

Possible Side Effects

Some users may experience side effects when topiramate is taken. It is important that you are aware of possible side effects and what to do if you experience any of them. Not all users will experience a side effect.
Possible common side effects:

  • Abdominal pain
  • Anxiety
  • Back pain
  • Changes in gait
  • Changes in sense of touch
  • Diarrhea
  • Difficulty speaking
  • Dry mouth
  • Impotence
  • Indigestion
  • Injury
  • Insomnia
  • Joint pain
  • Memory loss
  • Mood changes
  • Sinus infection or irritation
  • Sore throat
  • Viral infections
  • Weakness

In addition to the above common side effects children may also commonly experience the following:

  • Aggressiveness
  • Bronchitis
  • Bruising
  • Constipation
  • Fever
  • Hair loss
  • Increased salivation
  • Runny nose

Serious side effects that require medical care include:

  • Blood clots
  • Chest pain
  • Depression
  • Diabetes
  • Fainting
  • Hallucinations
  • High blood pressure
  • Kidney stones
  • Low blood pressure
  • Paranoia
  • Rapid breathing
  • Shortness of breath, which may be signs of a blood clot
  • Suicidal thoughts or actions
  • Vision changes or eye pain

Allergic reactions require immediate medical attention. Signs of an allergic reaction include:

  • Difficulty breathing
  • Difficulty swallowing
  • Hives
  • Itching
  • Unusual rash
  • Unusual swelling
  • Wheezing

Side effects that are rare include:

  • Acne
  • Blurred vision
  • Decreased sex drive
  • Ear infection
  • Flushing
  • Gastrointestinal reflux disease
  • Hemorrhoids
  • Premature ejaculation
  • Sensitivity to the sun
  • Unexplained changes in cholesterol levels
  • Urinary tract infections

Contact your doctor as soon as possible if you experience any serious side effects or seek immediate medical attention if the symptoms persist or get worse. If you experience any other unusual reaction after taking Topamac contact your doctor immediately.

This is only a partial list of possible side effects associated with topiramate. Ask your doctor or pharmacist for a complete list.

Additional Information

SKU 1137
US Brand Name Topamax 100mg
Strength 100 mg
Generic Name Topiramate
Manufacturer Johnson & Johnson
PharmaceuticalForm Tablet/s
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