<p>Indometacin undergoes hepatic metabolism involving glucuronidation, O-desmethylation, and N-deacylation.<sup class="text-reference-group"><a class="reference-popover-link" data-content="Weber M, Kodjikian L, Kruse FE, Zagorski Z, Allaire CM: Efficacy and safety of indomethacin 0.1% eye drops compared with ketorolac 0.5% eye drops in the management of ocular inflammation after cataract surgery. Acta Ophthalmol. 2013 Feb;91(1):e15-21. doi: 10.1111/j.1755-3768.2012.02520.x. Epub 2012 Sep 12. (PubMed ID 22970738)" href="#reference-A177949">6</a></sup> O-desmethyl-indomethacin, N-deschlorobenzoyl-indomethacin, and O-desmethyl-N-deschlorobenzoyl-indomethacin metabolites and their glucuronides are primarily inactive and have no pharmacological activity.<sup class="text-reference-group"><a class="reference-popover-link" data-content="Weber M, Kodjikian L, Kruse FE, Zagorski Z, Allaire CM: Efficacy and safety of indomethacin 0.1% eye drops compared with ketorolac 0.5% eye drops in the management of ocular inflammation after cataract surgery. Acta Ophthalmol. 2013 Feb;91(1):e15-21. doi: 10.1111/j.1755-3768.2012.02520.x. Epub 2012 Sep 12. (PubMed ID 22970738)" href="#reference-A177949">6</a>,<a class="reference-popover-link" data-content="Indomethacin Capsules (25 mg) - FDA Label" href="#reference-L6778">13</a></sup> Unconjugated metabolites are also detected in the plasma.<sup class="text-reference-group"><a class="reference-popover-link" data-content="Indomethacin Capsules (25 mg) - FDA Label" href="#reference-L6778">13</a></sup> Its high bioavailability indicates that indometacin is unlikely to be subject to the first-pass metabolism.<sup class="text-reference-group"><a class="reference-popover-link" data-content="Weber M, Kodjikian L, Kruse FE, Zagorski Z, Allaire CM: Efficacy and safety of indomethacin 0.1% eye drops compared with ketorolac 0.5% eye drops in the management of ocular inflammation after cataract surgery. Acta Ophthalmol. 2013 Feb;91(1):e15-21. doi: 10.1111/j.1755-3768.2012.02520.x. Epub 2012 Sep 12. (PubMed ID 22970738)" href="#reference-A177949">6</a></sup></p><p class="d-none d-sm-block"><strong>Hover over products below to view reaction partners</strong></p>