Oral thrush post op

Went to the ER yesterday because I was pretty sure I had a secondary infection in my salivary gland and/or oral thrush, or something else. They did a swab for strep (negative) gave me a single dose of magic mouthwash because I told them I have been unable to take my acid reflux meds since the surgery. Prescribed me some nystatin swish in case it was atypical thrush given that I was on steroids, couldn’t get it till today because the pharmacy was closed when I left the ER. Now that I have the nystatin everything doesn’t burn as much! I had my first normal meal today- we got one of them massive take and bake pizzas from ALDI, with tomato sauce not like something with ranch and you know what, it didn’t burn hardly at all, a huge change from the cucumber I ate at breakfast time. I think I’ve possibly had thrush for days and just didn’t know it…