Can Prozac (fluoxetine) be taken with ativan?

Yes. . Yes. If you're using them for an anxiety-related disorder (gad, ptsd, panic disorder, etc.) the Prozac (fluoxetine) is generally used daily to improve your mood ; whereas Ativan is a short-acting medicine meant to be taken as needed for acute situations - 'panic attacks.'.
yes. Generally there are no major drug to drug interactions by taking both.