13 giugno 2018

SSRI and SNRI withdrawal symptoms reported on an internet forum. (2018)

 2018;29(3-4):175-180. doi: 10.3233/JRS-180018.

SSRI and SNRI withdrawal symptoms reported on an internet forum.


1
NELFT NHS Foundation Trust, Division of Psychiatry, University College London, UK.
2
Northampton Healthcare NHS Foundation Trust, Northampton, UK.
3
Faculty of Health and Social Sciences, University of Lincoln, Lincoln, UK.
4
Division of Psychiatry, University College London, UK.

Abstract

BACKGROUND:

Antidepressant withdrawal symptoms are well-recognised, but their potential duration remains uncertain.

OBJECTIVE:

We aimed to describe the characteristics of withdrawal associated with two popular classes of antidepressants, including duration.

METHODS:

We analysed the content of a sample of posts on an antidepressant withdrawal website. We compared the characteristics of withdrawal associated with SSRIs and SNRIs, including time of onset, duration and nature of symptoms.

RESULTS:

110 posts about SSRI withdrawal, and 63 concerning SNRI withdrawal, were analysed. The mean duration of withdrawal symptoms was significantly longer with SSRIs than SNRIs: 90.5 weeks (standard deviation, SD, 150.0) and 50.8 weeks (SD 76.0) respectively; p = 0.043). Neurological symptoms, such as 'brain zaps,' were more common among SNRI users (p = 0.023). Psychosexual/genitourinary symptoms may be more common among SSRI users (p = 0.054).

LIMITATIONS:

The website aims to help people with antidepressant withdrawal, and is therefore likely to attract people who have difficulties. Length of prior use of antidepressants was long, with a mean of 252.2 weeks (SD 250.8).

CONCLUSIONS:

People accessing antidepressant withdrawal websites report experiencing protracted withdrawal symptoms. There are some differences in the characteristics of withdrawal associated with different classes of antidepressants.

KEYWORDS:

Antidepressant; SNRI; SSRI; antidepressant withdrawal; online report
PMID:
 
29758951
 
DOI:
 
10.3233/JRS-180018


LINK: https://www.ncbi.nlm.nih.gov/pubmed/29758951

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