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Atropine

What the body does with Atropine, 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.

AtropinetakenExit15–50% excreted unchanged in urine

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

    c. 1 minute 1

  2. doseabsorbed

    Bioavailability

    25% 1

  3. hoursbreakdown

    Metabolism

    ≥50% hydrolysed to tropine and tropic acid 1

  4. half-lifehalf gone

    Elimination half-life

    2 hours 1

  5. durationeffects

    Duration of action

    30–60 min 1

  6. exitleaves the body

    Excretion

    15–50% excreted unchanged in urine 1

Source

  1. Wikipedia, Atropine, drug infobox (revision 1350610693), 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.