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.
I know you are suffering as I have too, but it will be alright. my symptoms have lessened and its been eight months and I guess it depends on how your body eliminates foreign chemicals in your body. I have hope that I will eventually be able to sleep until 7am instead of 5am and take day naps. Just hang in there!!! and don't stress.
- Invega Information for Consumers
- Invega Information for Healthcare Professionals (includes dosage details)
- Side Effects of Invega (detailed)
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