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What do you mean by the half life of a drug?

Responses (1)

suzanne66 29 Sep 2011

The half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value.

For example: The half-life of Ambien is about 2 hours.
If you took a 10mg Ambien tablet at 8pm then by 10pm there would be 5mg remaining in your system and by 12pm there would be 2.5mg in your system and so on and so on...

Nick2396 21 Sep 2016

Not to be overly technical but 8pm to 10pm then 12am I'm guessing u were getting at

slongo 5 Jun 2017

Ohhhhh, it drops by half every [x] hours. OK NOW I get it. free discount card

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