Table 1.

Dose Classifications for Selective-Serotonin Reuptake Inhibitors. These dose categories were defined a priori and were calculated based on fluoxetine equivalents of SSRIs used in previous meta-analytic studies of antidepressants and according to the American Psychiatric Association dose recommendations for individual SSRIs in Obsessive-Compulsive Disorder.⁹, ¹¹

Medication	Minimum	Maximum	Low	Medium	High
Fluoxetine	20mg	80mg	20–30mg	40–50mg	60–80mg
Sertraline	50mg	200mg	50–75mg	100–175mg	200mg
Paroxetine	20mg	60mg	20–30mg	40–50mg	60mg
Fluvoxamine	150mg	300mg	50–150mg	200–250mg	300–350mg
Citalopram	20mg	60–80mg	20–30mg	40–50mg	60–80mg
Escitralopram	10mg	40mg	10–15mg	20–25mg	30–40mg