4 doctors weighed in:

How long does it take zyprexa (olanzapine) to begin working?

4 doctors weighed in
Dr. Mark Reynolds
Psychiatry
3 doctors agree

In brief: It depends

That would depend to some extent on the condition being treated, the dosing used, and the delivery method (oral vs im).
In general the earliest effect would be in about 3-7 days with further increase in effect over the next 4-6 weeks.

In brief: It depends

That would depend to some extent on the condition being treated, the dosing used, and the delivery method (oral vs im).
In general the earliest effect would be in about 3-7 days with further increase in effect over the next 4-6 weeks.
Dr. Mark Reynolds
Dr. Mark Reynolds
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