Prozac strangely works on me within days, if not hours. I am triggered into a mild hypomanic state which lasts for a week or so then I get 'normal' or mixed. It certainly brings me out of depression, and fast. I'm sorry it is taking so long for you to feel the effects. I hope it kicks in soon.
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Bipolar 1 with psychotic features
PTSD
"Phew! For a minute there I lost myself."
'Karma Police' by Radiohead