Alprazolam & its effect in blood.
It depends on the type of alprazolam .
If extended released it will remain for long time .
Those alprazolam which generate active metabolites cumulate on nightly use;their action may then extend into the next day .
The plasma 1/2 life of alprazolam is 12 hours .
It remain in blood for 30 -60 hours .
Hope I have answered your question.
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