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Antidepressants In The UK

Neuroskeptic iconNeuroskeptic
By Neuroskeptic
Sep 21, 2011 3:19 PMNov 5, 2019 12:15 AM


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Antidepressant sales have been rising for many years in Western countries, as regular Neuroskeptic readers willremember.

Most of the studies on antidepressant use come from the USA and the UK, although the pattern also seems to hold for other Europeancountries. The rapid rise of antidepressants from niche drugs to mega-sellers is perhaps the single biggest change in the way medicine treats mental illness since the invention of psychiatric drugs.

But while a rise in sales has been observed in many countries, that doesn't mean the same causes were at work in every case. For example, in the USA, there is good evidence that more people have started taking antidepressants over the past 15 years.

In the UK, however, it's a bit more tricky. Antidepressant prescriptions have certainly risen. However, a large 2009 study revealed that, between 1993 and 2005, there was not any significant rise in people starting on antidepressants for depression. Rather, the rise in prescriptions was caused by patients getting more prescriptions each. The same number of users were using more antidepressants.

Now a new paper has looked at antidepressant use over much the same period (1995-2007), but using a different set of data. Pauline Lockhart and Bruce Guthrie looked at pharmacy records of drugs actually dispensed, not just prescribed,and their data only covers a specific region, Tayside in Scotland. The 2009 study was nationwide.

So what happened?

The new paper confirmed the 2009 survey's finding of a strong increase in the number of antidepressant prescriptions per patient.

However, unlike the old study, this one found an increase in the number of people who used antidepressants each year. It went up from 8% of the population in 1995, to 13% in 2007 - an extremely high figure, higher even than the USA.

In other words, more people took them, and they took more of them on average - adding up to a threefold increase in antidepressants actually sold. The increase was seen across men and women of all ages and social classes.

There's no good evidenceof an increase in mental illness in Britain in this period, by the way.

But why did the 2009 paper report no change in antidepressant users, while this one did? It could be that the increase was localized to the Tayside area. Another possibility is that there was an increase nationwide, but it wasn't about people with depression.

The 2009 study only looked at people with a diagnosis of depression. Yet modern antidepressants are widely used for other things as well - like anxiety, insomnia, pain, premature ejaculation. Maybe this non-depression-based use of antidepressants is what's on the rise.

Lockhart, P. and Guthrie, B. (2011). Trends in primary care antidepressant prescribing 1995–2007 British Journal of General Practice

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