Drilldown: Medicines
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None (1) ·
Not well characterized (1) ·
~0.3% (oral; extensive first-pass via CYP3A4 and P-glycoprotein-mediated efflux at the intestinal and blood-brain barriers limit systemic and CNS exposure at therapeutic doses)'"`UNIQ--ref-00000FD3-QINU`"' (1) ·
~50% (variable, CYP2D6-dependent for analgesic effect). (1)
None (1) ·
Avoid; risk of neonatal opioid withdrawal with chronic use; UM-mother breastfeeding contraindicated. (1) ·
Generally considered acceptable when needed.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> (1) ·
Not established (1)
Showing below up to 4 results in range #1 to #4.


