Vilazodone is a good antidepressant that is known to cause fewer sexual problems like erectile dysfunction compared to other antidepressants. If you are concerned about this side effect, it could be a good option for you. It also works quickly on depressive symptoms, which can sometimes lead to sexual issues. Like any medication, vilazodone may cause temporary side effects such as headaches, nausea, and diarrhea. If a side effect persists and bothers you, there are other options available. Your pharmacist or doctor can help you find the best fit for you.