All SSRI medications function by prolonging (or inhibiting) the process by which serotonin is taken up by neurons (the process referred to as "reuptake"). All SSRIs are designed to prolong the reuptake process only for serotonin. To differentiate between serotonin and a host of other chemicals in the brain, they must be highly selective.Of course, any drug, be it antidepressants or the latest allergy medicine (or even old drugs) surprise us and medicine itself isn't this hard science we like to think it is. Something like 30% of all medical treatments end up being effective at all. New discoveries about drugs happen almost all the time, but many don't get the press the hot-button anti-depressant drugs get.
That's how the class came to be known as "selective serotonin reuptake inhibitors" -- they prevent (inhibit) serotonin (and only serotonin) from experiencing too much or too long of a reuptake process. This makes more serotonin available in the brain. According to Sheldon H. Preskorn, M.D., professor and chair of the department of medicine and behavioral sciences at University of Kansas School of Medicine, Wichita, and author of Applied Clinical Psychopharmacology, SSRIs are effective for a significant number of individuals who use them as directed for this purpose.
...unpublished studies about Paxil show that it carries a substantial risk of prompting teenagers and children to consider suicide....While the regulators' recent warnings address only Paxil, many of the panel members said that SSRI's act similarly, so the concerns could apply to all.Blind faith in human techniques to alter brain chemistry and process is a religious methodology, not a scientific one. I have seen people helped dramatically by SSRIs; I have seen people (in some cases, the same people as above) dramatically screwed up by them. I have also experienced clinical depression, so I know what is at stake. But none of that relieves one of the responsibility to fairly and openly evaluate cause-and-effect data as new information is discovered. That's what progress is all about. Treatment should not be prescribed or undertaken by those with their eyes squeezed shut, whatever their motivation.
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posted by grahamwell at 1:22 PM on August 9, 2003