What does the half-life mean in terms of if the medicine is still working or causing side effects? And why is it 5.5x to completely rid from your system? Thanks.
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A “half life” is a property of systems that decay. And it’s just that the time it takes for some amount of “medication” (or whatever substance that is decaying) to decrease by half is the same, no matter how big your starting dose is. So for medicines, a half life is how long it takes for your body to break down half of the medicine.
Saying that it takes 5.5HL to rid from body is just saying that once you have like 2% of the original dose left, the amount you’d get from halving the original dose 5 full times and a bit more, you can approximate that as being 0% left.
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