Toxicology / Psychiatry

SSRI Toxic Doses

Weight-based toxicity thresholds for SSRIs with observation periods, serotonin syndrome recognition, and emergency management pathways. Based on TOXBASE and UK National Poisons Information Service guidance.

SSRI Potentially Toxic Doses

SSRIToxic DoseObservationQTc RiskIndian Brands
Citalopram2 mg/kg12hhighCitadep, C-Pram, Cipramil, Zetalo
Dapoxetine2 mg/kg6hlowDuralast, Poxet, Kutub, Dejac-T
Escitalopram1 mg/kg12hhighNexito, S-Citadep, Stalopam, Feliz-S
Fluoxetine5 mg/kg6hlowFludac, Flunil, Prodep, Fluox
Fluvoxamine15 mg/kg6hlowFluvoxin, Suvoxin, Faverin
Paroxetine3 mg/kg6hmoderatePaxidep, Panex, Xetanorm, Parotin
Sertraline7 mg/kg6hlowDaxid, Serlift, Sertraline, Serta

Click a row to select for dose calculator. Source: TOXBASE / NPIS guidance.

Dose Assessment Calculator

References: TOXBASE (UK National Poisons Information Service), Hunter et al. QJM 2003;96:635-42, Isbister et al. Clin Tox 2004;42:277-85, NICE CG16 Self-Harm, BNF.