Some may respond at lower dosage, some may respond after longer periods.
The sexual side effects
vary, they may be, prolonged erection, decrease sexual desire, or weak erection.
Withdrawl symptoms also vary in intensity and type. Symptoms may be insomnia, sedation, sweatimg, anxiety and others. It is advised to taper off the medication, when stopping treatment.
It is best to direct your concerns to your physician or psychiatrist.