Perenatal depression

This should be an incredibly happy time in my life. Currently 8 weeks and having a hard time functioning in general. Already on Zoloft but maybe still off from dropping 3 other prescriptions that weren't pregnancy safe. I feel hostile 24/7 even towards my family. Going to work and staying there is a job all on its own, but I've been there as I'm trying to build my PTO for after baby is born. Is anyone else feeling overwhelmed instead of basically gliding through their day? I don't remember feeling this off with my first.