<p>After an oral dose of radiolabeled carbamazepine, 72% of the administered radioactive dose was detected in the urine and the remainder of the ingested dose was found in the feces. Carbamazepine is mainly excreted as hydroxylated and conjugated metabolites, and minimal amounts of unchanged drug.<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></p>