[Are antidepressants different? (author's transl)]

There are different groups of antidepressants with different mechanisms of action. However, by different mechanisms all these drugs are able to activate beta-adrenergic receptors, and the antidepressant effect could be related to this activation. Thus, the therapeutic effect of antidepressants is probably qualitatively similar but drugs can differenciate by the onset of action, by other effects (stimulant or sedatif) or by side-effects.