Yes, Nexito belonging to SSRI class drugs, it would cause decreased sexual drive in some males. But it is also an effective treatment for Generalized anxiety disorders on long term basis, it usually takes few months to act properly for GAD at appropriate doses. As you are having these side effect ,we can avoid this molecule for you, and don't worry there are many other options! For starting another molecule, we need to assess a patients profile thoroughly so that the molecule suits a person at its best. But don't worry, sooner or later, you are going to get relieved from your anxiety! Also there is role of some relaxation techniques which are very effective as an assistive treatment.