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When I went into residency, my attending once described any drug acting on reuptake (be it antagonistically, agonistic, or in a bifurcated model) as the medical equivalency of noticing your car is low on oil and, in response, pouring a few dozen liters of the stuff over the engine block. Some gets to where it needs to be, the rest gunks up the engine on the outside and in places it shouldn't be. Almost any drug acting on 5HT (fk acts on 2C), acts on other receptors as well. Fk acts on α1, M1-4, and many more, it's not very selective. A venerable bucket of oil, indeed. This is, what also causes Long-QT, feeding disorders, diarrhea, shorter pregnancies, dry mouth, sexual dysfunction, and more. Sure, dropping such a bucket of oil can also, via inflammatory pathways, elicit IL-10 activation and, more importantly, act against hypertriglyceridemia. But that should not be sold as a solution to a problem. Again, to stay with contrived comparisons, if I load the boot of a car with C4, I am sure that some parts of the car will reach more than the car's stated maximum speed. But that's not a desirabe outcome. As a last ditch, I'd consider it. But "preventatively" as suggested... that's a far, far, reach. |
My understanding is that escitalopram has pretty low binding affinity for other receptors than SERT.