Paxil was the first psychotropic medicine I was ever put on, and it is not a medicine I look back fondly upon.
Not only did it do absolutely nothing for my mood, but it also increased the frequency, severity, and length of the panic attacks I was ALREADY having.
However, a lot of people have had success with it, so don't go only by me. But also, just know that Paxil is an SSRI (selective serotonin reuptake inhibitor), and SSRIs are notorious for throwing bipolars into manias if they are not also taking a mood stabilizer with it. Be careful!