Comparing Lamotrigine vs Topamax
| Lamotrigine | Topamax |
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| Lamotrigine | Topamax (topiramate) |
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Prescription only
Lamotrigine may be used to decrease the frequency and severity of seizures in some types of epilepsy and also to stabilize mood in bipolar disorder. Rarely, lamotrigine may cause a potentially fatal... View more |
Prescription only
Topamax may be prescribed either alone or in combination with other medications for the treatment of certain types of epilepsy, or it may be given for the prevention of migraine. Drowsiness is a... View more |
Related suggestions Migraine Prevention (Migraine Prophylaxis)
Seizure Prevention (Seizure Prophylaxis)
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| More about Lamotrigine | More about Topamax (topiramate) | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Lamotrigine has an average rating of 7.8 out of 10 from a total of 1806 ratings on Drugs.com. 74% of reviewers reported a positive effect, while 15% reported a negative effect. |
Topamax has an average rating of 6.1 out of 10 from a total of 644 ratings on Drugs.com. 50% of reviewers reported a positive effect, while 30% reported a negative effect. |
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| Drug Class | |||||||||||||||||
| Side Effects | |||||||||||||||||
| Generic Availability | |||||||||||||||||
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Lower cost generic |
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| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Lamotrigine prices |
View all Topamax prices |
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| Dosage Forms Available | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Lamictal, Lamictal CD, Lamictal ODT, Lamictal XR, Subvenite | Other topiramate brands include: Eprontia, Qudexy XR, Trokendi XR | ||||||||||||||||
| Half Life The half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value. | |||||||||||||||||
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25.7 hours |
56 hours |
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| CSA Schedule ** View glossary of terms | |||||||||||||||||
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Not a controlled drug
Is not subject to the Controlled Substances Act. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
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| Pregnancy Category | |||||||||||||||||
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Category C
Risk cannot be ruled out
See the full pregnancy warnings document. |
Category D
Positive evidence of risk
See the full pregnancy warnings document. |
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| Drug Interactions | |||||||||||||||||
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A total of 286 drugs are known to interact with Lamotrigine:
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A total of 289 drugs are known to interact with Topamax:
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| Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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| Disease Interactions | |||||||||||||||||
| First Approval Date | |||||||||||||||||
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December 27, 1994 |
December 24, 1996 |
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| WADA Class View World Anti-Doping Agency classifications. | |||||||||||||||||
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N/A |
N/A |
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| More Information | |||||||||||||||||
| Patient resources | |||||||||||||||||
| Professional Resources | |||||||||||||||||
| Related Treatment Guide | |||||||||||||||||
** The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.