The effect of rate of antidepressant

This recent paper was sent to me by a reader and friend of Seroxat Sufferers. I think it clearly shows just how difficult SSri's are to taper from, in particular, Seroxat [paroxetine]

The effect of rate of antidepressant tapering on the incidence of discontinuation symptoms: a randomised study

Abstract

Twenty eight patients treated with selective serotonin reuptake
inhibitors /venlafaxine were randomized to a three-day (short) or 14-day(longer)anti–depressant taper and openly assessed after a five to seven day drug-free washout, and again after seven days treatment with a new anti–depressant of the treating clinician’s choice. A ‘discontinuation syndrome’ (3 new symptoms on the Discontinuation Emergent Signs and Symptoms checklist) occurred in 46% of patients with a similar frequency in those with short (7/15) versus longer (6/13) taper. Patients initially on short half-life anti–depressants had significantly greater increases in discontinuation and depressive symptoms than those stopping fluoxetine. Four patients, all on paroxetine, developed emergent suicidal ideation after taper. These results support the importance of half-life in determining discontinuation symptoms and suggest that there is little advantage to a two-week taper over a three day taper when switching antidepressants. Antidepressant discontinuation in depressed patients can be associated with worsening depression and increased suicidality.

The paper can be downloaded here. Pay particular attention to:

"We found that the increase in discontinuation symptoms was less
marked with fluoxetine than other shorter half-life SSRIs and that
the highest incidence of a discontinuation syndrome occurred with paroxetine."

Fid

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