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Ephedrine

What the body does with Ephedrine, 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.

EphedrinetakenExitMainly urine (60% unchanged)

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. 0 → onsetdose

    Onset

    Oral: 15–60 minutes; IM: 10–20 minutes; IV: Rapid 1

  2. doseabsorbed

    Bioavailability

    88% 1

  3. hoursbreakdown

    Metabolism

    Largely unmetabolized 1

  4. hoursmade from it

    Metabolites

    Norephedrine 1

  5. half-lifehalf gone

    Elimination half-life

    6 hours 1

  6. durationeffects

    Duration of action

    Oral: 2–4 hours; IV/IM: 60 minutes 1

  7. exitleaves the body

    Excretion

    Mainly urine (60% unchanged) 1

Source

  1. Wikipedia, Ephedrine, drug infobox (revision 1377002344), 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.