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Alfentanil

What the body does with Alfentanil, from the dose to the exit, as its Wikipedia drug infobox records it.

Quoted from the Wikipedia infobox, not yet written up by hand. The order is the usual order of events, not a measured schedule.

Alfentaniltaken

The clock, on a log scale

Each bar runs from the dose to about five half-lives, roughly when 97% of that molecule has been converted or cleared. The scale is logarithmic so minutes and days fit on one line.

  1. doseabsorbed

    Bioavailability

    IV/IM/SC: 100% 1

  2. hoursbreakdown

    Metabolism

    Hepatic 1

  3. half-lifehalf gone

    Elimination half-life

    90–111 minutes 1

  4. durationeffects

    Duration of action

    15 minutes 1

Source

  1. Wikipedia, Alfentanil, drug infobox (revision 1360846894), CC BY-SA 4.0. Values quoted as they appear, with wiki markup removed.

Half-lives vary between people, doses and routes. This page explains what the body does with a drug. It is not dosing advice.