Admin Routes
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Oral, rectal (suppository), IM, IV infusion
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Bioavailability
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Oral, 30 to 50% (interindividual variations 10–70%)
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Excretion
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Biliary and renal, as metabolites (only traces of unchanged drug)
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Half Life
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16 to 30 hours. In long term treatment, CPZ induces its own metabolism
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Legal Status
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Rx-only
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Metabolism
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Hepatic, mostly CYP2D6-mediated
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Pregnancy Category
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C—only when benefit for the mother exceeds risk to unborn child
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