Luteal Phase and Symptom-Onset Dosing of SSRIs/SNRIs in the Treatment of Premenstrual Dysphoria: Clinical Evidence and Rationale
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Premenstrual dysphoria (PMD) affects 3-8 % of women in their reproductive years worldwide. This paper summarizes the studies establishing the efficacy of continuous, luteal phase, and symptom-onset dosing of selective serotonin reuptake inhibitors (SSRIs) and dual serotonin and norepinephrine reuptake inhibitors (SNRIs) in treating women with PMD. The evidence indicates that for some women, symptom-onset dosing with escitalopram, fluoxetine, and paroxetine controlled release (CR) is as effective as continuous or luteal phase dosing. The wide range of clinical efficacy of SSRIs/SNRIs suggests that they exert their therapeutic effect through multiple pathways. This paper offers a few alternative mechanisms of action to explain the rapid response to SSRIs/SNRIs in women with PMD.
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