<p>Mainly the urine and feces as active and unchanged drug <sup class="text-reference-group"><a class="reference-popover-link" data-content="Official drug label" href="#label-reference">Label</a></sup>. Between 40% and 60% of an administered dose can be accounted for in the urine by 92 hours, and approximately 30% can be accounted for in the feces <sup class="text-reference-group"><a class="reference-popover-link" data-content="Doxycycline EMA label" href="#reference-F3055">16</a></sup>.</p>