Lamotrigine

Drug Usage Statistics, United States, 2004 - 2014

Number of Prescriptions Over Time (2004 - 2014)

Rank of Top Drugs Over Time

"Rank" refers to the frequency that a given medication is prescribed within a calendar year compared to all other medications. A rank of "4" would indicate that the medication was the fourth most commonly prescribed medication.

Year Rank Change
2004 168 -
2005 147  21
2006 123  24
2007 129  6
2008 84  45
2009 102  18
Year Rank Change
2010 94  8
2011 95  1
2012 95 0
2013 82  13
2014 68  14

Patient Out-Of-Pocket Cost Over Time (2004 - 2014)

"Out-of-pocket" cost refers to the payment made by the patient (either cash price or the copay amount). This value does not include reimbursement from a third party payer (eg, Medicare or private insurance) and does not represent the total drug cost.

Usage Statistics of Related Drugs

Drug Name Total Prescriptions (2014)
Gabapentin 39,361,473
Lamotrigine (this drug) 12,705,157
Divalproex Sodium 7,299,035
Phenytoin 4,310,314
Oxcarbazepine 4,148,661
Lithium 4,058,704
Carbamazepine 2,588,257
Primidone 972,817

Drug Synonyms

Drug synonyms are used during the sanitation and standardization process of "cleaning" the original data source (MEPS). Occassionally, brand names may be listed below that are no longer on the market or are very infrequently used.

Brand Name Synonyms
  • Lamictal
  • Lamictal CD
  • Lamictal Odt
  • Lamictal XR
Generic Drug Synonyms and Salts
  • Lamotrigine

FDA Approval Information

Established Pharmacologic Class (EPC): Anti-epileptic Agent, Mood Stabilizer
Initial FDA approval date: 12/27/1994
First FDA applicant: Glaxosmithkline Llc
First dosage form: Tablet (oral)

Prescription data source: Medical Expenditure Panel Survey (MEPS) 2004-2014. Agency for Healthcare Research and Quality (AHRQ), Rockville, MD. ClinCalc DrugStats Database version 17.0. Read more about the ClinCalc DrugStats database.

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Updated Mar 4, 2017
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