<p>Carbamazepine, also known as Tegretol, is an anticonvulsant drug and analgesic drug used to control seizures and to treat pain resulting from trigeminal neuralgia. It was initially approved by the FDA in 1965.<sup class="text-reference-group"><a class="reference-popover-link" data-content="Tolou-Ghamari Z, Zare M, Habibabadi JM, Najafi MR: A quick review of carbamazepine pharmacokinetics in epilepsy from 1953 to 2012. J Res Med Sci. 2013 Mar;18(Suppl 1):S81-5. (PubMed ID 23961295)" href="#reference-A180301">3</a></sup> Aside from the above uses, this drug is also given to control the symptoms of bipolar 1.<sup class="text-reference-group"><a class="reference-popover-link" data-content="FDA Approved Drug Products: EQUETRO (carbamazepine) extended-release capsules" href="#reference-L1335">16</a></sup> Interestingly, carbamazepine was the first anticonvulsant used to treat individuals with bipolar disorder.<sup class="text-reference-group"><a class="reference-popover-link" data-content="Chen CH, Lin SK: Carbamazepine treatment of bipolar disorder: a retrospective evaluation of naturalistic long-term outcomes. BMC Psychiatry. 2012 May 23;12:47. doi: 10.1186/1471-244X-12-47. (PubMed ID 22620289)" href="#reference-A180319">6</a></sup></p>