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Is Topiramate A Controlled Substance

is topiramate a controlled substance

How does this medication work? What will it do for me?

is topiramate a controlled substance belongs to a group of medications that are used to treat epilepsy. It works by affecting chemicals in the brain that are involved in sending signals to nerves. Topiramate is a medication that is used to treat epilepsy and to prevent migraine headaches.

How should I use this medication?

When used alone for the treatment of epilepsy, the recommended starting dose of is topiramate a controlled substance in adults and children 6 years of age and older is 25 mg daily, increasing to a usual dose of 100 mg daily in 2 divided doses. The maximum recommended dose is 400 mg daily.

Who should NOT take this medication?

Do not take this medication if you:

are allergic to topiramate or any ingredients of the medication

If you are taking this medication to prevent migraines, do not take this medication if you:

are pregnant

may become pregnant and are not using effective birth control.

Do not give this medication to children under 2 years of age.

What should I do if I forget a dose?

Skip the missed dose and take your usual dose the next morning. Do not take a double dose to make up for a missed one.

side effects

  • altered taste
  • constipation
  • decreased appetite
  • drowsiness
  • fatigue
  • headache
  • nausea
  • headache
  • dizziness
  • numbness, burning, or tingling in the hands, feet, face, or mouth
  • decreased sense of touch or ability to feel sensation
  • difficulty concentrating, thinking, paying attention, speaking, or remembering
  • excessive tiredness
  • dry mouth
  • unusual thirst
  • changes or decreased ability to taste food
  • diarrhea
  • constipation
  • heartburn
  • painful menstrual periods


Phentermine/topiramate ER is taken once daily, preferably in the morning to prevent insomnia. The recommended dosage is 3.75/23 mg for 14 days followed by 7.5/46 mg. If a 3% weight loss is not achieved after 12 weeks on the 7.5/46 mg dose, the dosage may be increased to 11.25/69 mg for 14 days, and then to 15/92 mg. If the patient does not achieve at least a 5% decrease in weight after 12 weeks on the highest dose, the drug should be discontinued gradually; abrupt withdrawal of topiramate can cause seizures even in patients with no history of epilepsy.

Missed Dose

If you miss a dose, take it as soon as you remember. If it is within 6 hours of your next dose, skip themissed dose. Take your next dose at the regular time. Do not double the dose to catch up. If you miss more than one dose, call your doctor for advice.


Store in a tightly closed container at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets.

Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.Information last revised July 2018. Copyright(c) 2018 First Databank, Inc.


Both lorcaserin (Belviq) and the phentermine/topiramate ER combination (Qsymia) taken as adjuncts to diet and exercise may be effective in increasing weight loss in the first year of use, but much less so in the second year. Qsymia appears to be more effective than lorcaserin, but may cause more troublesome adverse effects.

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