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How long does invega stay in your system after it has been discontinued?

Responses (1)

suzanne66 9 Jul 2013

Invega has a long half life range of 25 to 49 days. This is the time it takes for plasma levels to fall by half.
It roughly takes around 5 to 6 half lives for a drug to be eliminated from your system.
Using this calculation then, after your last dose, you could expect it to take anywhere between 150 to 300 days to be cleared from your system.

Factors that also affect the rate at which it is eliminated include age, health, weight, metabolism etc.

dotwwwcom 22 Aug 2016

Hi Suzanna,
If Invega takes 25 to 49 days to reach half the plasma level then wouldn't the other half be eliminated in the next 49 days or so. Why does the half life start at 100 percent again, or 50 percent of what is left?

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