Alexandre Chagnon · 6 years ago
For the time it takes for the antidepressant to take effect, it is thought that the effect of this type of medication is primarily caused by a remodeling of the neurotransmitter receptors in the brain. In other words, antidepressants change the amount of neurotransmitters in the brain fairly quickly, but this is not what would cause the majority of the effects of these drugs. Of course, the remodeling of the receptors happens much more slowly, which causes the delay.