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Question
Posted by: Roger | 2012/03/12

drugs effects

Doc

HOw long does the effects of a drug last, is it all down to half life, whenever Im trying something new I worry about the half life, like I may feel completely deranged for about double the half life if its not a good drug for me, but a drug like Prozac has a very long half life, about 3 days, but if it lasted that long you wouldnt need to take it every day, so it cant just be half life

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Our expert says:
Expert ImageCyberShrink

It varies widely according to the drug, and which of its effects one is thinking of when you ask how long they last. Yes, it's not just half-life. Different chemical effects take different times to get started and to return to their previous state ( if they do return ). Its best, really, to discuss this on a case-by-case basis with whatever doctor is recommending a specific drug.

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Our users say:
Posted by: cybershrink | 2012/03/13

It varies widely according to the drug, and which of its effects one is thinking of when you ask how long they last. Yes, it's not just half-life. Different chemical effects take different times to get started and to return to their previous state ( if they do return ). Its best, really, to discuss this on a case-by-case basis with whatever doctor is recommending a specific drug.

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