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MyNewtBoobs's avatar

What makes medication work this way?

Asked by MyNewtBoobs (19059points) October 19th, 2010

Why does taking half a dose, and then another half a dose a few minutes later not work as well as taking the full dose right off the bat?

For example: If I’m in pain, I’ll take half a Vicodin. Then, when 30–40 minutes later it’s not working as well as I need it to, I’ll take the other half pill. But it won’t help as much as if I had simply taken the full pill right away. Why is this? Is there some half-life thing I don’t get? Or something else going on?

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