Comparison of the mechanisms of action of antidepressants and their side effects

Magdalena Wasielewska

DOI: http://dx.doi.org/10.12775/JEHS.2020.10.08.030

Abstract


Introduction: There are 4 groups of LPs divided according to the mechanism of action. They act on the brain by modulating monoaminergic systems, causing a series of side effects such as insomnia, sedation, anxiety, and a problem of a sexual nature. By appropriately selecting the drug and its dose, the negative effects of the therapy can be avoided.

Aim : Comparison of the mode of action of a drug from a given group of antidepressants and description of its side effects.

State of knowledge : An example from the first group of drugs with a receptor mechanism of action is trazodone - it acts on many receptors. The combined effect of the drug on all three receptors will significantly improve sleep in all its phases. It is as effective a drug as TLPD, and due to the lack of anticholinergic and cardiotoxic effects, it has a better tolerance and safety profile. It works quickly and improves sleep parameters, which is responsible for faster improvement of the patient's mental state. An example of a drug from the second group of drugs with a different mechanism of action is agomelatine. It is a synthetic analog of melatonin. The simultaneous agonist action on one receptors and antagonist action on the other causes a number of changes in the CNS, which are responsible for the antidepressant effect. The effects of the treatment can be seen after 2 weeks of use. The drug of the third groupneurotransmitter reuptake inhibitorsthere is bupropion. It intensifies the dopaminergic transmission. It does not disturb the sexual sphere, but increases insomnia as a side effect.

Summary : By selecting the appropriate LP and its dose, side effects can be avoided.


Keywords


depression; mental disorders; antidepressants; side effects

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References


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