Could someone explain to me in the simplest terms, what a 'half-life' for medication is?

When you take medication, the medicine stays in your body for a certain period of time. During this time, it is slowly eliminated, mostly by your liver or kidneys The half-life of a drug is the time it takes for the amount of medicine in your body to halve - that is, when half of it has been cleared, and half still remains It is a gauge for measuring how long drugs stay inside our body, and determines whether a drug is long-acting (long half-life) or short-acting (short half-life) Edit: Yup, it can be used to estimate how long the medicine will remain in your system Hope that helps =).

You take the pill 15 days in a row, it will be in your system for 30. Take it for 30 days, it will be in your system for 60. And so on and so forth.

Some meds will be in your system for a certain amount of time no matter what.

The time it takes half of an element to break down. Usually several hundred thousand years or more.

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