Elevations in prolactin plasma concentration occur with antipsychotics due to their dopamine D2 receptor antagonism. Hyperprolactinemia may be associated with both acute (galactorrhea, amenorrhea, decreased libido etc.) and chronic (predisposition to osteoporosis and cardiovascular disease) treatment emergent effects in both men and women associated with apparently impaired compliance. The aim of our study was to investigate these supposed effects regarding clinically relevant endocrinologic symptoms under routine treatment conditions with newer, atypical antipsychotics. Our findings confirm that amisulpride frequently leads to a remarkable elevation of prolactin plasma concentration, same--in minor degree--for risperidone. Under treatment with quetiapine and olanzapine just temporary elevated prolactin levels were registered. However, no correlation between prolactin levels and dosage could be found. In females treated with amisulpride acute hormonal side effects were seen in a clinically relevant manner. Features of illness itself, stress factors, concomitant medication or other patient's conditions are supposed to be relevant factors for acute endocrine symptomatology.
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