Daily: Fluoxetine is not effective if taken intermittently. It may take several weeks of daily dosing to reach a therapeutic blood level. Be sure to clarify directions with prescribing doctor. I hope this helps.
Answered 4/30/2016
2.4k views
Take it for 2 weeks: Several studies have shown that taking fluoxetine for 14 days, starting on cycle day 14, is effective for PMDD. This is called luteal phase-only treatment. see>http://1.usa.gov/1fKRIro
Answered 8/28/2015
2.4k views
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