I took Sertraline for my recurring panic attacks and felt weird. Should I switch to Seroxat?

Hi doctor,

I am 24 years old, and I have been suffering from anxiety and panic attacks since I was young. Every couple of years, my anxiety gets bad to the point where I feel like I need medication to help me. Five years back, I went to a therapist, and I was diagnosed with panic attack disorder and prescribed Seroxat 25 mg. It helped me, and I took it for a year, then I stopped it. At this point in my life, I have started to suffer again from panic attacks and anxiety. The symptoms are sudden fear for no reason, heart racing, and the worst sign that everything is weird to me, myself, my family, everything. I feel confused and scared that I will lose my mind, which makes me more anxious. I cannot go to a therapist now, and I do not want to retake Seroxat because of its side effects. Feeling sleepy all the time, weight gain, low concentration,

So I have decided to take Sertraline 25 mg (as my father is also diagnosed with anxiety and panic attacks disorder, was prescribed Sertraline 25 mg and has been taking it for a couple of years, and I thought that it might work for me too because of the genetics). I started taking it two days ago, and I think that I am feeling worst and do not feel myself; I feel weird. Should I continue it for a week to start working? Or should I switch to Seroxat?