Antidepressant equivalent-dose calculator
Equivalent doses
Each drug expressed as the dose equivalent to Citalopram 20 mg/day, from peer-reviewed averages for acute depression.
- ≈20mg/day
- ≈49.3mg/day
- ≈9mg/day
- ≈17mg/day
- ≈71.7mg/day
- ≈74.7mg/day
- ≈25.5mg/day
- ≈61.2mg/day
- ≈58.1mg/day
- ≈50.5mg/day
Sources (4)
Hayasaka Y, Purgato M, Magni LR, Ogawa Y, Takeshima N, Cipriani A, Barbui C, Leucht S, Furukawa TA (2015) (opens in a new tab) Dose equivalents of antidepressants: Evidence-based recommendations from randomized controlled trials. J Affect Disord.
Furukawa TA, Cipriani A, Cowen PJ, Leucht S, Egger M, Salanti G (2019) (opens in a new tab) Optimal dose of SSRIs, venlafaxine, and mirtazapine in major depression: a systematic review and dose-response meta-analysis. Lancet Psychiatry.
McClelland J, Mathys M (2016) (opens in a new tab) Evaluation of QTc prolongation and dosage effect with citalopram. Ment Health Clin.
Hieronymus F, Nilsson S, Eriksson E (2016) (opens in a new tab) A mega-analysis of fixed-dose trials reveals dose-dependency and a low efficacy of citalopram 10 mg, paroxetine 10 mg and sertraline 50 mg as a class for the treatment of depression. Transl Psychiatry.
Method review — pending
Data current as of July 2026.