Hi Doctor I Was Having Panic Disorder Like Going Out

Hi Doctor I was having panic disorder like going out of house ( buying vegetable , shopping malls, and other areas ) I feel afraid and burp. A lot and legs will be very painful
I visited phycartist he prescribed me
Nexito 5mg for 10 days followed by nexito 10 mg for 3 months

Please and kindly tell me what are the side effects
Am 28 years old and recently married
Is this medicine will effect by sexual desires