Approximately 45% of a single oral dose is eliminated unchanged in urine at 72 hours; approximately 19% of the dose is excreted as the glucuronide metabolite and less than 5% is excreted as the oxidative metabolite (N,O-didesmethylvenlafaxine) in urine.
Read more at: https://www.drugs.com/monograph/pristiq.html
Yes. My psychiatrist informed me of this when she first prescribed it to me, so that when I saw it again I wouldn't think that it hadn't been absorbed by my body. I forgot that she told me about this and was a little freaked out when I saw it again after the first dose, until I remembered that she told me this would happen lol. So yes, the shell is excreted once the medicine is absorbed.
- Pristiq Information for Consumers
- Pristiq Information for Healthcare Professionals (includes dosage details)
- Side Effects of Pristiq (detailed)
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