Good question, and I had same worry ( I'm one week post op... I take depression medication, high bp, heart burn, and sleeping... And I asked about them because they are all extended release.... My doc told me I was okay but still check with your doc.
I also had a normal check up with my normal doc and double checked with her and she even checked my tummy staples for me.... And one is a little irritated so she gave me better antibiotics to put on there....
Best of luck!
Ellie