Stage 0 Patient
I had a prophylactic bilateral mastectomy in May of this year (BRCA2 positive + STRONG family history). Age 40. No lymph node biopsies since this was preventative. I was out of work for a little over 6 weeks, it took about 1 week to not just be sleeping and eating on the pain meds, at about 2 weeks to feel like I was coming out of the fog, at about 4 weeks I started to feel like myself and could be out and about. I had immediate reconstruction.
The drains were not a huge deal to manage, just make sure you have tops you don't have to get over your head and that are loose. I used a breast binder (per my surgeons) and safety pins to hide the drains. I didn't want to leave the house until after the drains were out (about 7-10 days in if I remember right). Also, I found the removal of the drains to be VERY painful (not a usual experience from what I am told, so I wasn't expecting it). In retrospect, I wish I had asked them to stop so I could take a pain med, let it kick in, then have the drains removed.
Don't be afraid to advocate for yourself. It it hurts, make them treat the pain FIRST.